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2024 international community outage report and web well being test



ISP outages: Globally, the variety of ISP outages decreased from 178 to 131 outages, a 26% decline in comparison with the week prior. Within the U.S., outages fell from 69 to 41 outages, a 41% lower.

Public cloud community outages: Globally, cloud supplier community outages elevated from 21 to 24 outages. Within the U.S., cloud supplier community outages elevated from three to 4 outages.  

Collaboration app community outages: Globally, collaboration app community outages declined from 26 to 17 outages. Within the U.S., collaboration app community outages decreased from 9 to 6 outages. 

Two notable outages

On June 28, NTT America, a world Tier 1 service supplier and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., Switzerland, the Netherlands, Hong Kong, and Japan. The outage lasted for 19 minutes and was first noticed round 7:30 AM EDT. It initially centered on NTT nodes situated in Chicago, IL and New York, NY. Round 5 minutes into the outage, the nodes situated in Chicago, IL, appeared to clear. This lower in affected nodes appeared to coincide with a lower within the variety of impacted downstream clients and companions. The outage was cleared round 7:50 AM EDT. Click on right here for an interactive view.

On June 27, Cogent Communications, a multinational transit supplier primarily based within the US, skilled a collection of outages over a interval of 1 hour and 5 minutes that impacted a number of downstream suppliers and its personal clients throughout numerous areas, together with the U.S., Mexico, Spain, Chile, and Peru. Lasting a complete of 10 minutes, the outage was first noticed round 9:45 AM EDT and initially appeared to be centered on Cogent nodes situated in Austin, TX. Twenty-five minutes after showing to clear, nodes situated in Houston, TX, started exhibiting outage circumstances. The outage was cleared round 10:50 AM EDT. Click on right here for an interactive view.

Web report for June 17-23, 2024

ThousandEyes reported 256 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of June 17-23. That’s a soar of 38% from 186 outages the week prior. Particular to the U.S., there have been 94 outages, which is up 38% from 68 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages elevated from 116 to 178 outages, a 53% soar in comparison with the week prior. Within the U.S., outages elevated from 43 to 69 outages, a 60% enhance.

Public cloud community outages: Globally, cloud supplier community outages decreased from 25 to 21 outages. Within the U.S., cloud supplier community outages decreased from 9 to 3 outages.  

Collaboration app community outages: Globally, collaboration app community outages greater than doubled from to 26 outages. Within the U.S., collaboration app community outages elevated from 5 to 9 outages. 

Two notable outages

On June 21, NTT America, a world Tier 1 service supplier and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., Canada, Australia, Singapore, India, Vietnam, Hong Kong, and Japan. The outage lasted a complete of 14 minutes and was first noticed round 3:45 AM EDT. It initially centered on NTT nodes situated in Chicago, IL. Round 5 minutes into the outage, the nodes exhibiting outage circumstances, elevated to incorporate nodes situated in San Jose, CA, Seattle, WA, and Dallas, TX. This enhance in affected nodes appeared to coincide with a rise within the variety of impacted downstream clients and companions. 5 minutes later, all of the nodes apart from these situated in Chicago, IL, appeared to clear. The outage was cleared round 4:00 AM EDT. Click on right here for an interactive view.

On June 20, Stage 3 Communications, a U.S.-based Tier 1 provider, skilled an outage that impacted a number of downstream companions and clients in a number of areas, together with the U.S., the Netherlands, Mexico, India, and Germany. The outage lasted a complete of 11 minutes over a twenty-five-minute interval. It was first noticed round 4:15 AM EDT and gave the impression to be centered on Stage 3 nodes situated in San Francisco, CA. Round ten minutes after showing to clear, the nodes situated in San Francisco, CA, started exhibiting outage circumstances once more. The outage was cleared round 4:40 AM UTC. Click on right here for an interactive view.

Web report for June 10-16, 2024

ThousandEyes reported 186 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of June 10-16. That’s down 6% from 197 outages the week prior. Particular to the U.S., there have been 68 outages, which is up 6% from 64 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 127 to 116 outages, a 9% lower in comparison with the week prior. Within the U.S., the variety of ISP outages remained on the identical degree because the week prior, recording 43 outages.

Public cloud community outages: Globally, cloud supplier community outages remained the identical because the week prior: 25 outages. Within the U.S., cloud supplier community outages elevated from eight to 9 outages.  

Collaboration app community outages: Globally, collaboration app community outages dropped from 19 to 11 outages. Within the U.S., collaboration app community outages decreased from six to 5 outages. 

Two notable outages

On June 12, NTT America, a world Tier 1 service supplier and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., the U.Okay., the Netherlands, Eire, Germany, Romania, Australia, Egypt, Canada, France, Belgium, Switzerland, India, Poland, Austria, South Africa, Singapore, Mexico, and Japan. The outage lasted for one hour and 17 minutes in complete and was first noticed round 2:00 PM EDT. It gave the impression to be centered on NTT nodes situated in Ashburn, VA. Twenty minutes after showing to clear, nodes situated in Ashburn, VA, started exhibiting outage circumstances once more. 5 minutes into this outage incidence, the nodes situated in Ashburn, VA, have been joined by nodes situated in Atlanta, GA, in exhibiting outage circumstances. The outage was cleared round 3:40 PM EDT. Click on right here for an interactive view.

On June 13, Arelion (previously often known as Telia Service), a world Tier 1 supplier headquartered in Stockholm, Sweden, skilled an outage that impacted clients and downstream companions throughout a number of areas, together with the U.S., the U.Okay., Germany, Luxembourg, Eire, Spain, Belgium, Austria, Norway, Mexico, India, France, and Italy. The disruption, which lasted a complete of 13 minutes, was first noticed round 12:35 PM EDT and appeared to initially middle on nodes situated in Phoenix, AZ. 5 minutes after being first noticed, the nodes situated in Phoenix, AZ, cleared and have been changed by nodes situated in Ghent, Belgium, Frankfurt, Germany, and Stockholm, Sweden, in exhibiting outage circumstances. Round 12:45 PM EDT, all of the nodes appeared to clear however 5 minutes later, nodes situated in Madrid, Spain, Stockholm, Sweden, Dublin, Eire, and London, England, started exhibiting outage circumstances. This rise in nodes and areas exhibiting outage circumstances additionally appeared to coincide with a rise within the variety of downstream clients, companions, and areas impacted. The outage was cleared round 12:55 PM EDT. Click on right here for an interactive view.

Web report for June 3-9, 2024

ThousandEyes reported 197 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of June 3-9. That’s up 14% from 173 outages the week prior. Particular to the U.S., there have been 64 outages, which is up 14% from 56 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages rose from 92 to 127 outages, a 38% enhance in comparison with the week prior. Within the U.S., the variety of ISP outages elevated 26% from 34 to 43 outages.

Public cloud community outages: Globally, cloud supplier community outages decreased from 27 to 25 outages. Within the U.S., cloud supplier community outages elevated from six to eight outages

Collaboration app community outages: Globally, collaboration app community outages dropped from 38 to 19 outages. Within the U.S., collaboration app community outages climbed from 10 to 6 outages. 

Two notable outages

On June 6, Stage 3 Communications, a U.S.-based Tier 1 provider, skilled an outage that impacted a number of downstream companions and clients throughout the U.S. The outage lasted a complete of 13 minutes over a twenty-five-minute interval and was first noticed round 12:10 AM EDT and appeared to initially be centered on Stage 3 nodes situated in Atlanta, GA, Orlando, FL, and Tampa, FL. After 5 minutes, the nodes in Orlando, FL, appeared to clear. This discount in nodes exhibiting outage circumstances coincided with a discount within the variety of impacted downstream companions and clients. The outage was cleared round 12:35 AM UTC. Click on right here for an interactive view.

On June 6, NTT America, a world Tier 1 service supplier and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., the U.Okay., the Philippines, Germany, the Netherlands, and Japan. The outage lasted for 13 minutes and was first noticed round 2:45 AM EDT. It initially centered on NTT nodes situated in Los Angeles, CA, Chicago, IL, Miami, FL, London, England, and Ashburn, VA. Round 5 minutes into the outage, the nodes in these areas appeared to clear and have been changed by nodes situated in Seattle, WA, exhibiting outage circumstances. This lower in affected nodes appeared to coincide with a lower within the variety of impacted downstream clients and companions. 5 minutes later, the nodes in Seattle, WA, cleared and have been changed by nodes situated in Newark, NJ, Ashburn, VA, Amsterdam, the Netherlands, London, England, and Paris, France, which exhibited outage circumstances. The outage was cleared round 3:00 AM EDT. Click on right here for an interactive view.

Web report for Might 27- June 2, 2024

ThousandEyes reported 173 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of Might 27- June 2. That’s down 14% from 202 outages the week prior. Particular to the U.S., there have been 56 outages, which is down 14% from 65 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 121 to 92 outages, a 24% decline in comparison with the week prior. Within the U.S., the variety of ISP outages decreased 33% from 51 to 34 outages.

Public cloud community outages: Globally, cloud supplier community outages decreased from 37 to 27 outages. Within the U.S., cloud supplier community outages elevated from 5 to 6 outages

Collaboration app community outages: Globally, collaboration app community outages greater than doubled, leaping from 14 to 38 outages. Within the U.S., collaboration app community outages climbed from three to 10 outages. 

Two notable outages

On Might 28, Rackspace Expertise, a U.S. managed cloud computing supplier headquartered in San Antonio, Texas, skilled an outage that impacted a number of downstream suppliers, in addition to Rackspace clients inside a number of areas together with the U.S., Canada, Germany, Mexico, France, the Netherlands, Singapore, Chile, Switzerland, Vietnam, Brazil, South Africa, Spain, and Turkey. The outage, lasting a complete of 14 minutes, was first noticed round 9:00 AM EDT and appeared to middle on Rackspace nodes situated in Chicago, IL. Round 5 minutes into the outage, a variety of nodes situated in Chicago, IL exhibiting outage circumstances, appeared to clear. This lower in impacted nodes appeared to coincide with a discount of impacted areas. The outage was cleared round 9:15 AM EDT. Click on right here for an interactive view.

On Might 29, Microsoft skilled an outage on its community that impacted some downstream companions and entry to providers working on Microsoft environments in a number of areas together with the U.S., China, Eire, Hong Kong, the U.Okay., India and Australia. The outage, which lasted 14 minutes, was first noticed round 5:25 PM EDT and appeared to initially middle on Microsoft nodes situated in Des Moines, IA, Newark, NJ, Cleveland, OH, Atlanta, GA, Miami, FL, and Portland, OR. Round 5 minutes after first being noticed, nodes situated in Atlanta, GA, and Miami, FL, appeared to clear and have been changed by nodes situated in Paris, France, Tokyo, Japan and Amsterdam, the Netherlands, in exhibiting outage circumstances. The outage was cleared round 5:40 PM EDT. Click on right here for an interactive view.

Web report for Might 20-26, 2024

ThousandEyes reported 202 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of Might 20-26. That’s down 11% from 227 outages the week prior. Particular to the U.S., there have been 65 outages, which is down 23% from 84 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 157 to 121 outages, a 23% decline in comparison with the week prior. Within the U.S., the variety of ISP outages decreased 11% from 57 to 51 outages.

Public cloud community outages: Globally, cloud supplier community outages elevated from 33 to 37 outages. Within the U.S., cloud supplier community outages decreased from 10 to 5 outages

Collaboration app community outages: Globally, collaboration app community outages jumped from six to 14 outages. Within the U.S., collaboration app community outages remained the identical because the week prior, recording 3 outages. 

Two notable outages

On Might 21, Time Warner Cable, a U.S.-based ISP, skilled a disruption that affected quite a few clients and companions throughout a number of areas, together with the U.S., U.Okay., Canada, Singapore, Thailand, and Mexico. The outage occurred in a collection of occurrences over a two-hour interval, beginning at round 6:05 AM EDT. Initially, the difficulty gave the impression to be centered on Time Warner Cable nodes in New York, NY. 5 minutes after the primary statement, the variety of affected nodes in New York, NY, elevated and nodes in Denver, CO, and Los Angeles, CA, have been additionally impacted. One other 5 minutes later, the nodes in Denver, CO, and Los Angeles, CA, have been not affected, however nodes in Chicago, IL, began exhibiting outage circumstances. Twenty-five minutes after the preliminary statement, nodes in New York, NY, and Chicago, IL, have been affected once more, together with nodes in Denver, CO, and Dallas, TX. 4 minutes later, all nodes appeared to get better, however then nodes in New York, NY, Chicago, IL, and Denver, CO, skilled outage circumstances and recoveries throughout 5 additional occurrences. The outage lasted a complete of 49 minutes and was resolved round 8:05 AM EDT. Click on right here for an interactive view.

On Might 21, GTT Communications, a Tier 1 supplier headquartered in Tysons, VA, skilled an outage that affected a few of its companions and clients throughout a number of areas, together with the U.S., Canada, Australia, and the Netherlands. The outage lasted a complete of 32 minutes and occurred in three occurrences over a one hour and 15-minute interval, starting round 3:05 PM EDT. The primary incidence, which lasted round 19 minutes, appeared to be centered on GTT nodes situated in Seattle, WA, San Jose, CA, Los Angeles, CA, and San Francisco, CA. 5 minutes after it gave the impression to be resolved, a second incidence was noticed, this time affecting nodes in San Jose, CA, Seattle, WA, and Los Angeles, CA. This discount in affected nodes coincided with a lower within the variety of areas and companions impacted. Thirty-five minutes after the nodes in San Jose, CA, and Los Angeles, CA, gave the impression to be cleared, they exhibited outage circumstances as soon as once more. The outage was resolved round 4:20 PM EDT. Click on right here for an interactive view.

Web report for Might 13-19, 2024

ThousandEyes reported 227 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of Might 13-19. That’s up a large 43% from 159 outages the week prior. Particular to the U.S., there have been 84 outages, which is up 27% from 66 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages elevated from 105 to 157 outages, a 50% leap in comparison with the week prior. Within the U.S., the variety of ISP outages elevated 43% from 40 to 57 outages.

Public cloud community outages: Globally, cloud supplier community outages elevated from 18 to 33 outages. Within the U.S., cloud supplier community outages elevated from 9 to 10.

Collaboration app community outages: Globally, collaboration app community outages decreased from seven to 6 outages. Within the U.S., collaboration app community outages elevated from two to 3 outages.

Two notable outages

On Might 19, Cogent Communications, a U.S.-based multinational transit supplier, skilled an outage that impacted a number of downstream suppliers in addition to Cogent clients throughout numerous areas, together with the U.S., the U.Okay., Mexico, Spain, Singapore, Brazil, Turkey, Germany, Switzerland, the Netherlands, China, Portugal, Chile, Peru, Canada, India, Thailand, South Korea, France, and Japan. The outage, which lasted 19 minutes, was first noticed round 4:55 PM EDT and initially centered on Cogent nodes situated in Nashville, TN. 5 minutes after first being noticed, the nodes experiencing outage circumstances expanded to incorporate nodes in Houston, TX, Atlanta, GA, New York, NY, Washington, D.C., and Philadelphia, PA. 5 minutes later, the variety of areas with nodes exhibiting outage circumstances expanded once more, this time together with nodes in Bilbao, Spain, Dallas, TX, Phoenix, AZ, Charlotte, NC, and Indianapolis, IN. Because of this, the variety of impacted clients and suppliers elevated. The outage was resolved round 5:15 PM EDT. Click on right here for an interactive view.

On Might 16, Rackspace Expertise, a U.S. managed cloud computing supplier headquartered in San Antonio, Texas, skilled a collection of outages over a interval of 4 hours and fifteen minutes that impacted a number of downstream suppliers, in addition to Rackspace clients inside a number of areas together with the U.S., Canada, Mexico, Germany, Singapore, Chile, Brazil, France, Spain, South Africa, Vietnam, Turkey, and Switzerland. The outage, lasting a complete of 28 minutes, was first noticed round 5:00 AM EDT and appeared to middle on Rackspace nodes situated in Chicago, IL. The outage was cleared round 9:15 AM EDT. Click on right here for an interactive view.

Web report for Might 6-12, 2024

ThousandEyes reported 159 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of Might 6-12. That’s down 5% from 151 outages the week prior. Particular to the U.S., there have been 66 outages, which is up 32% from 50 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages declined from 113 to 105 outages, a 7% lower in comparison with the week prior. Within the U.S., the variety of ISP outages elevated barely (3%) from 39 to 40 outages.

Public cloud community outages: Globally, cloud supplier community outages elevated from 15 to 18 outages. Within the U.S., cloud supplier community outages jumped from two to 9.

Collaboration app community outages: Globally, collaboration app community outages decreased from 9 to seven outages. Within the U.S., collaboration app community outages fell from three to 2 outages.

Two notable outages

On Might 8, Time Warner Cable, a U.S. primarily based ISP, skilled a disruption that impacted a variety of clients and companions throughout the U.S. The outage was first noticed at round 7:45 PM EDT and appeared to middle on Time Warner Cable nodes situated in New York, NY.  5 minutes after first being noticed, the variety of nodes situated in New York, NY, exhibiting outage circumstances elevated. The outage lasted a complete of 23 minutes and was cleared at round 8:10 PM EDT. Click on right here for an interactive view.

On Might 7, Comcast Communications skilled an outage that impacted a variety of downstream companions and clients throughout the U.S. and Canada. The outage, lasting 8 minutes, was first noticed round 1:20 AM EDT and gave the impression to be centered on Comcast nodes situated in Chicago, IL and Ashburn, VA. 5 minutes into the outage, the nodes situated in Ashburn, VA, appeared to clear, leaving the nodes situated in Chicago, IL, exhibiting outage circumstances. The obvious lower of nodes exhibiting outage circumstances appeared to coincide with a lower within the variety of impacted downstream clients and companions. The outage was cleared round 1:30 AM EDT. Click on right here for an interactive view.

Web report for April 29- Might 5, 2024

ThousandEyes reported 151 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of April 29- Might 5. That’s down barely (3%) from 156 outages the week prior. Particular to the U.S., there have been 50 outages, which is down 7% from 54 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages elevated from 104 to 113 outages, a 9% enhance in comparison with the week prior. Within the U.S., the variety of ISP outages elevated 5% from 37 to 39 outages.

Public cloud community outages: Globally, cloud supplier community outages decreased from 22 to fifteen outages. Within the U.S., cloud supplier community outages decreased from six to 2.

Collaboration app community outages: Globally, collaboration app community outages elevated from eight to 9 outages. Within the U.S., collaboration app community outages fell from 4 to 3 outages.

Two notable outages

On April 29, NTT America, a world Tier 1 ISP and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., Japan, South Korea, China, Taiwan, Singapore, the Netherlands, Hungary, Turkey, Brazil, India, Argentina, Australia, the U.Okay., Thailand, Malaysia, Mexico, and Canada. The outage, lasting 24 minutes, was first noticed round 2:40 PM EDT and appeared to initially middle on NTT nodes situated in San Jose, CA. Round 5 minutes into the outage, the nodes situated in San Jose, CA, appeared to clear, and have been changed by nodes situated in Tokyo, Japan, in exhibiting outage circumstances. Ten minutes after first being noticed, the nodes situated in Tokyo, Japan, have been joined by nodes situated in Osaka, Japan, Singapore, Dallas, TX, and Los Angeles, CA, in exhibiting outage circumstances. The outage was cleared round 3:05 PM EDT. Click on right here for an interactive view.

On April 29, Cogent Communications, a multinational transit supplier primarily based within the US, skilled an outage that impacted a number of downstream suppliers and clients throughout numerous areas, together with the U.S., Brazil, the U.Okay., Canada, Chile, Mexico, Japan, Germany, Spain, and France. The outage, lasting for a complete of 1 hour and 12 minutes, was divided into two occurrences over a interval of 35 minutes. The primary incidence was noticed round 2:45 AM EDT and initially appeared to be centered on Cogent nodes situated in Ashburn, VA, and Washington, D.C. 5 minutes into the outage, the nodes situated in Ashburn, VA, appeared to clear and have been changed by nodes situated in Baltimore, MD, New York, NY, and Phoenix, AZ, together with nodes situated in Washington, D.C., in exhibiting outage circumstances. This enhance in nodes exhibiting outage circumstances additionally appeared to coincide with a rise within the variety of downstream clients, companions, and areas impacted. Twenty minutes after showing to clear, nodes situated in New York, NY, and Washington, D.C., have been joined by nodes situated in Houston, TX, in exhibiting outage circumstances. The outage was cleared round 3:20 AM EDT. Click on right here for an interactive view.

Web report for April 22-28, 2024

ThousandEyes reported 156 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of April 22-28. That’s down 8% from 170 outages the week prior. Particular to the U.S., there have been 54 outages, which is down 36% from 85 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages elevated from 99 to 104 outages, a 5% enhance in comparison with the week prior. Within the U.S., the variety of ISP outages decreased 31% from 54 to 37 outages.

Public cloud community outages: Globally, cloud supplier community outages remained the identical because the week prior, recording 22 outages. Within the U.S., cloud supplier community outages decreased from 10 to 6.

Collaboration app community outages: Globally, collaboration app community outages decreased from 9 to eight outages. Within the U.S., collaboration app community outages stayed on the identical degree because the week earlier than: 4 outages.

Two notable outages

On April 26, Time Warner Cable, a U.S. primarily based ISP, skilled a disruption that impacted a variety of clients and companions throughout the U.S. The outage was distributed throughout two occurrences over a twenty-five-minute interval and was first noticed at round 7:45 PM EDT and appeared to middle on Time Warner Cable nodes situated in New York, NY.  Ten minutes after first being noticed, the variety of nodes situated in New York, NY, exhibiting outage circumstances elevated. The outage lasted a complete of 17 minutes and was cleared at round 8:10 PM EDT. Click on right here for an interactive view.

On April 24, NTT America, a world Tier 1 ISP and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., Germany, India, China, Hong Kong, Canada, and Japan. The outage, lasting 9 minutes, was first noticed round 7:15 AM EDT and appeared to initially middle on NTT nodes situated in San Jose, CA. Round 5 minutes into the outage, the nodes situated in San Jose, CA, have been joined by nodes situated in Dallas, TX, in exhibiting outage circumstances. The outage was cleared round 7:25 AM EDT. Click on right here for an interactive view.

Web report for April 15-21, 2024

ThousandEyes reported 170 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of April 15-21. That’s up 11% from 161 outages the week prior. Particular to the U.S., there have been 85 outages, which is up 18% from 72 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 107 to 99 outages, a 7% decline in comparison with the week prior. Within the U.S., the variety of ISP outages climbed 6% from 51 to 54 outages.

Public cloud community outages: Each globally (22) and within the U.S. (10), cloud supplier community outages remained the identical because the week prior.

Collaboration app community outages: Globally, collaboration app community outages elevated from 5 to 9 outages. Within the U.S., collaboration app community outages elevated from two to 4 outages.

Two notable outages

On April 20, Cogent Communications, a multinational transit supplier primarily based within the US, skilled an outage that impacted a number of downstream suppliers and its personal clients throughout numerous areas, together with the US, Canada, Portugal, Germany, the Netherlands, Luxembourg, South Africa, Hong Kong, Singapore, the U.Okay., Italy, France, and Spain. The outage, lasting a complete of 1 hour and 32 minutes, was divided right into a collection of occurrences over a interval of two hours and 28 minutes. The primary incidence was noticed round 10:55 PM EDT and initially appeared to be centered on Cogent nodes situated in Seattle, WA, Portland, OR, and Hong Kong. 5 minutes into the outage, the nodes situated in Hong Kong appeared to clear and have been changed by nodes situated in Minneapolis, MN, and Cleveland OH, in exhibiting outage circumstances. Thirty-five minutes into the primary incidence, the variety of nodes exhibiting outage circumstances elevated to incorporate nodes situated in Seattle, WA, Washington, D.C., Minneapolis, MN, Cleveland, OH, Boston, MA, and Bilbao, Spain. This enhance in nodes exhibiting outage circumstances additionally appeared to coincide with a rise within the variety of downstream clients, companions, and areas impacted. A second incidence was noticed round 5 minutes after the difficulty initially appeared to have cleared. This second incidence lasted roughly fourteen minutes and appeared to initially be centered round nodes situated in Cleveland, OH. Round 5 minutes into the second incidence, nodes situated in Cleveland, OH, gave the impression to be briefly changed by nodes situated in Seattle, WA, and Chicago, IL, earlier than they themselves have been changed as soon as once more by nodes situated in Cleveland, OH.  Round quarter-hour after showing to clear, a 3rd incidence was noticed, this time showing to be centered round nodes situated in Bilbao, Spain, and Cleveland, OH. The outage was cleared round 1:25 AM EDT. Click on right here for an interactive view.

On April 17, NTT America, a world Tier 1 ISP and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions throughout a number of areas together with the U.S., the U.Okay., the Netherlands, and Germany. The outage, lasting 17 minutes, was first noticed round 2:55 AM EDT and appeared to initially middle on NTT nodes situated in Seattle, WA. 5 minutes into the outage nodes situated in Seattle, WA, have been joined by nodes situated in Dallas, TX, in exhibiting outage circumstances. The outage was cleared round 3:15 AM EDT. Click on right here for an interactive view.

Web report for April 8-14, 2024

ThousandEyes reported 161 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of April 8-14. That’s up 11% from 154 outages the week prior. Particular to the U.S., there have been 72 outages, which is up 4% from 69 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages elevated from 97 to 107 outages, a ten% enhance in comparison with the week prior. Within the U.S., the variety of ISP outages climbed 13% from 45 to 51 outages.

Public cloud community outages: Globally, cloud supplier community outages elevated from 16 to 22 outages. Within the U.S., cloud supplier community outages decreased from 14 to 10 outages.

Collaboration app community outages: Globally, collaboration app community outages remained on the identical degree because the week prior, recording 5 outages. Within the U.S., collaboration app community outages decreased from three to 2 outages.

Two notable outages

On April 8, Rackspace Expertise, a U.S. managed cloud computing supplier headquartered in San Antonio, Texas, skilled an outage that impacted a number of downstream suppliers, in addition to Rackspace clients inside a number of areas together with the U.S., Japan, Vietnam, Spain, Canada, Germany, Singapore, France, the Netherlands, the U.Okay., Brazil, and South Africa. The outage, lasting a complete of 14 minutes, was first noticed round 9:00 AM EDT and appeared to middle on Rackspace nodes situated in Chicago, IL. Round 5 minutes into the outage, the variety of nodes situated in Chicago, IL, exhibiting outage circumstances, appeared to clear. This lower in impacted nodes appeared to coincide with a discount of impacted areas. The outage was cleared round 9:15 AM EDT. Click on right here for an interactive view.

On Apr 10, GTT Communications, a Tier 1 ISP headquartered in Tysons, VA, skilled an outage that impacted a few of its companions and clients throughout a number of areas, together with the U.S., the U.Okay., Brazil, and Canada. The outage, lasting 9 minutes, was first noticed round 8:10 AM EDT and appeared to initially be centered on GTT nodes situated in Los Angeles, CA. Round 5 minutes into the outage the nodes situated in Los Angeles appeared to clear and have been changed by nodes situated in New York, NY, in exhibiting outage circumstances. This variation in location of nodes exhibiting outage circumstances appeared to coincide with a rise within the variety of impacted areas, downstream companions and clients. The outage was cleared round 8:20 AM EDT. Click on right here for an interactive view.

Web report for April 1-7, 2024

ThousandEyes reported 145 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of April 1-7. That’s up 23% from 118 outages the week prior. Particular to the U.S., there have been 69 outages, which is up 21% from 57 outages the week prior. Right here’s a breakdown by class:

ISP outages: Each globally and within the U.S., ISP outages elevated by 45% in comparison with the week prior. Globally, the variety of ISP outages climbed from 67 to 97. Within the U.S., the variety of ISP outages jumped from 31 to 45 outages.

Public cloud community outages: Globally, cloud supplier community outages declined barely from 17 to 16 outages. Within the U.S., they remained on the identical degree (14) because the earlier week.

Collaboration app community outages: Globally, collaboration app community outages fell from 13 to 5 outages. Within the U.S., collaboration app community outages dropped from eight to 3 outages.

Two notable outages

On April 2, Hurricane Electrical, a community transit supplier headquartered in Fremont, CA, skilled an outage that impacted clients and downstream companions throughout a number of areas, together with the U.S., Taiwan, Australia, Germany, Japan, the U.Okay., Eire, India, and China. The outage, lasting 12 minutes, was first noticed round 12:40 PM EDT and initially appeared to middle on Hurricane Electrical nodes situated in New York, NY, Los Angeles, CA, and San Jose, CA. 5 minutes into the outage, the nodes exhibiting outage circumstances expanded to incorporate nodes situated in Chicago, IL, and Ashburn, VA. This coincided with a rise within the variety of downstream companions and international locations impacted. The outage was cleared round 12:55 PM EDT. Click on right here for an interactive view.

On April 2, BT, a multinational Tier 1 ISP headquartered in London, U.Okay., skilled an outage on their European spine that impacted clients and downstream companions throughout a number of areas, together with the U.S., the U.Okay., Switzerland, Spain, and Germany. The disruption, lasting 24 minutes, was first noticed round 7:20 PM EDT and appeared to middle on nodes situated in London, England. Click on right here for an interactive view.

Web report for March 25-31, 2024

ThousandEyes reported 118 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of March 18-24. That’s down 28% from 164 outages the week prior. Particular to the U.S., there have been 57 outages, which is down barely from 58 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages was almost reduce in half, falling from 128 to 67 outages, a 48% lower in comparison with the week prior. Within the U.S., the variety of ISP outages fell barely from 43 to 31 outages, a decline of 28%.

Public cloud community outages: Globally, complete cloud supplier community outages almost tripled, leaping from six to 17 outages. Within the U.S., cloud supplier community outages jumped from three to 14 outages

Collaboration app community outages: Globally, collaboration app community outages greater than doubled, rising from six to 13. Equally, within the U.S., collaboration app community outages doubled from 4 to eight.

Two notable outages

On March 29, Arelion (previously often known as Telia Service), a world Tier 1 ISP headquartered in Stockholm, Sweden, skilled an outage that impacted clients and downstream companions throughout a number of areas, together with the U.S., the Netherlands, and Japan. The disruption, lasting a complete of 8 minutes, was first noticed round 5:26 AM EDT and appeared to middle on nodes situated in Phoenix, AZ. The outage was cleared round 5:35 AM EDT. Click on right here for an interactive view.

On March 29, Cogent Communications, a U.S. primarily based multinational transit supplier, skilled an outage that impacted a number of downstream suppliers in addition to Cogent clients throughout a number of areas, together with the U.S., Canada, Germany, and Japan. The outage, lasting 9 minutes, was first noticed round 1:45 AM EDT and appeared to initially middle on Cogent nodes situated in San Francisco, CA, Salt Lake Metropolis, UT, and Seattle, WA. 5 minutes after first being noticed, the nodes situated in San Francisco, CA, Salt Lake Metropolis, UT and Seattle, WA, appeared to get better and have been changed by nodes situated in Kansas Metropolis, MO in exhibiting outage circumstances. Because of this, the variety of clients and suppliers impacted was diminished. The outage was cleared round 1:55 AM EDT. Click on right here for an interactive view.

Web report for March 18-24, 2024

After a spike the week earlier than, international outages decreased final week. ThousandEyes reported 164 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of March 18-24. That’s down 20% from 206 outages the week prior. Particular to the U.S., there have been 58 outages, which is down 33% from 87 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages fell barely from 131 to 128 outages, a 2% lower in comparison with the week prior. Within the U.S., the variety of ISP outages fell barely from 46 to 43 outages.

Public cloud community outages: Globally, cloud supplier community outages decreased from 10 to 6 outages. Within the U.S., they decreased from six to 3 outages.

Collaboration app community outages: Globally, collaboration app community outages fell dramatically from 34 to 6 outages. Within the U.S., collaboration app community outages dropped from 28 to 4 outages.

Two notable outages

On March 20, Cogent Communications, a multinational transit supplier primarily based within the US, skilled an outage that impacted a number of downstream suppliers and its personal clients throughout numerous areas, together with the US, Italy, Saudi Arabia, France, Germany, Canada, Hong Kong, Luxembourg, Chile, Brazil, Kenya, Singapore, Mexico, Switzerland, Spain, Australia, Finland, Japan, Eire, and Norway. The outage occurred for a complete of 24 minutes, divided into three occurrences over a interval of 1 hour and fifteen minutes. The primary incidence of the outage was noticed round 12:50 AM EDT and initially appeared to be centered on Cogent nodes situated in Frankfurt, Munich, and Hamburg in Germany, in Paris, France, and Kyiv, Ukraine. A second incidence was noticed round fifteen minutes after the difficulty initially appeared to have cleared. This second incidence lasted roughly eighteen minutes and appeared to be centered round nodes situated in Frankfurt, Munich, and Hamburg, Germany. Round ten minutes into the second incidence, nodes situated in Frankfurt, Munich and Hamburg, Germany, have been joined by nodes situated in Nuremberg, Germany, San Francisco, CA, San Jose, CA, Zurich, Switzerland, Amsterdam, the Netherlands, and Paris, France in exhibiting outage circumstances. Round half-hour after showing to clear, a 3rd incidence was noticed, this time showing to be centered round nodes situated in Toronto, Canada. The outage was cleared round 2:05 AM EDT. Click on right here for an interactive view.

On March 24, Hurricane Electrical, a community transit supplier headquartered in Fremont, CA, skilled an outage that impacted clients and downstream companions throughout a number of areas, together with the U.S., China, Australia, Germany, the U.Okay., and Japan. The outage, first noticed round 1:10 PM EDT, lasted 7 minutes in complete and appeared to middle on Hurricane Electrical nodes situated in New York, NY, and San Jose, CA. The outage was cleared at round 1:20 PM EDT. Click on right here for an interactive view.

Web report for March 11-17, 2024

After weeks of lowering, international outages elevated considerably final week. ThousandEyes reported 206 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of March 11-17. That’s up 45% from 142 outages the week prior. Particular to the U.S., there have been 87 outages, which is up 38% from 63 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages elevated from 91 to 131 outages, a 44% enhance in comparison with the week prior. Within the U.S., the variety of ISP outages climbed barely from 44 to 46 outages.

Public cloud community outages: Globally, cloud supplier community outages elevated from six to 10 outages. Within the U.S., they elevated from 4 to 6 outages.

Collaboration app community outages: Globally, collaboration app community outages spiked from six to 34 outages. Within the U.S., collaboration app community outages jumped from 3 to twenty-eight outages.

Two notable outages

On March 16, Cogent Communications, a U.S. primarily based multinational transit supplier, skilled an outage that impacted a number of downstream suppliers in addition to Cogent clients throughout a number of areas, together with the U.S., Eire, the U.Okay., Sweden, Austria, Germany, and Italy. The outage, lasting a complete of 12 minutes, was divided into two occurrences over a one-hour and ten-minute interval. The primary incidence was noticed at round 6:30 PM EDT and appeared to initially be centered on Cogent nodes situated in Baltimore, MD and New York, NY. 5 minutes into the primary incidence, the nodes situated in New York, NY, have been changed by nodes situated in Philadelphia, PA, in exhibiting outage circumstances. One hour after the difficulty initially appeared to have cleared, a second incidence was noticed. This second incidence lasted roughly 4 minutes and gave the impression to be centered round nodes situated in Baltimore, MD, Philadelphia, PA, New York, NY, and Newark, NJ. The outage was cleared round 7:45 PM EDT. Click on right here for an interactive view.

On March 12, Hurricane Electrical, a community transit supplier headquartered in Fremont, CA, skilled an outage that impacted clients and downstream companions throughout the U.S. and Canada. The outage, first noticed round 2:00 AM EDT, lasted 7 minutes in complete and was divided into two occurrences over a thirty-minute interval. The primary incidence appeared to initially middle on Hurricane Electrical nodes situated in Chicago, IL. Twenty minutes after showing to clear, the nodes situated in Chicago, IL, have been joined by nodes situated in Seattle, WA in exhibiting outage circumstances. This enhance in impacted nodes appeared to coincide with a rise within the variety of impacted downstream clients and companions. The outage was cleared at round 2:30 AM EDT. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for March 4-10, 2024

ThousandEyes reported 142 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of March 4-10. That’s down 8% from 155 outages the week prior. Particular to the U.S., there have been 63 outages, which is down 10% from 70 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 95 to 91 outages, a 4% lower in comparison with the week prior. Within the U.S., the variety of ISP outages stayed the identical at 44 outages.

Public cloud community outages: Globally, cloud supplier community outages fell from 13 to 6 outages. Within the U.S., they decreased from seven to 4 outages.

Collaboration app community outages: Globally, collaboration app community outages decreased from eight outages to 6. Within the U.S., collaboration app community outages stayed on the identical degree because the week earlier than: three outages.

Three notable outages

On March 5, a number of Meta providers, together with Fb and Instagram, skilled a disruption that impacted customers making an attempt to login, stopping them from accessing these purposes. The disruption was first noticed round 10:00 AM EST. Through the disruption, Meta’s net servers remained reachable, with community paths to Meta providers displaying no important error circumstances, suggesting {that a} backend service, comparable to authentication, was the reason for the difficulty. The service was absolutely restored round 11:40 AM EST. Extra detailed evaluation right here.

On March 5, Comcast Communications skilled an outage that impacted a variety of downstream companions and clients in addition to the reachability of many purposes and providers, together with Webex, Salesforce, and AWS. The outage, lasting 1 hour and 48 minutes, was first noticed round 2:45 PM EST and appeared to influence site visitors because it traversed Comcast’s community spine in Texas, with Comcast nodes situated in Dallas, TX and Houston TX, exhibiting outage circumstances. The outage was fully cleared round 4:40 PM EST. Extra detailed evaluation right here.

On March 6, LinkedIn skilled a service disruption that impacted its cell and desktop international person base. The disruption was first noticed round 3:45 PM EST, with customers experiencing service unavailable error messages. The key portion of the disruption lasted round one hour, throughout which period no community points have been noticed connecting to LinkedIn net servers, additional indicating the difficulty was software associated. At round 4:38 PM EST, the service began to get better and was completely clear for all customers round 4:50 PM EST. Extra detailed evaluation right here.

Further particulars from ThousandEyes can be found right here.

Web report for February 26-March 3, 2024

ThousandEyes reported 155 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of February 26-March 3. That’s down 6% from 165 outages the week prior. Particular to the U.S., there have been 70 outages, which is up 19% from 59 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 111 to 95 outages, a 14% lower in comparison with the week prior. Within the U.S., ISP outages elevated 10%, climbing from 40 to 44 outages.

Public cloud community outages: After weeks of lowering, cloud supplier community outages started rising once more final week. Globally, cloud supplier community outages climbed from eight to 13 outages. Within the U.S., they elevated from 4 to seven outages.

Collaboration app community outages: Globally, collaboration app community outages elevated from 5 outages to eight. Within the U.S., collaboration app community outages rose from two to 3 outages.

Two notable outages

On February 27, Stage 3 Communications, a U.S. primarily based Tier 1 provider acquired by Lumen, skilled an outage that impacted a number of downstream companions and clients throughout the U.S. The outage, lasting a complete of 18 minutes over a twenty-five-minute interval, was first noticed round 2:25 AM EST and gave the impression to be centered on Stage 3 nodes situated in Cleveland, OH. The outage was cleared round 2:50 AM EST. Click on right here for an interactive view.

On February 28, Time Warner Cable, a U.S. primarily based ISP, skilled a disruption that impacted a variety of clients and companions throughout the U.S. The outage was first noticed at round 2:00 PM EST and appeared to middle on Time Warner Cable nodes situated in New York, NY.  5 minutes into the outage, the variety of nodes situated in New York, NY, exhibiting outage circumstances elevated. The outage lasted 14 minutes and was cleared at round 2:15 PM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for February 19-25, 2024

ThousandEyes reported 165 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of February 19-25. That’s down considerably from 243 outages within the week prior – a lower of 32%. Particular to the U.S., there have been 59 outages, which is down 34% from 90 outages the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 121 to 111 outages, an 8% lower in comparison with the week prior. Within the U.S., ISP outages decreased from 48 to 40 outages, a 17% lower in comparison with the earlier week.

Public cloud community outages: Globally, cloud supplier community outages decreased considerably from 42 to eight outages, a 81% lower in comparison with the week prior. Within the U.S., they fell from eight to 4 outages.

Collaboration app community outages: Globally, collaboration app community outages decreased from seven outages to 5. Within the U.S., collaboration app community outages remained on the identical degree because the week prior: two outages.

Two notable outages

On February 22, Hurricane Electrical, a community transit supplier headquartered in Fremont, CA, skilled an outage that impacted clients and downstream companions throughout a number of areas, together with the U.S., Australia, China, the U.Okay., Japan, Singapore, India, France, and Canada. The outage, first noticed round 9:10 AM EST, lasted 32 minutes in complete and was divided into two occurrences over a forty-five-minute interval. The primary incidence appeared to initially middle on Hurricane Electrical nodes situated in New York, NY, Phoenix, AZ and Indianapolis, IN. Ten minutes after showing to clear, the nodes situated in New York, NY, have been joined by nodes situated in San Jose, CA in exhibiting outage circumstances. 5 minutes into the second incidence, the disruption appeared to radiate out, and the nodes situated in New York, NY, Phoenix, AZ and Indianapolis, IN, have been joined by nodes situated in Seattle, WA, Denver, CO, Ashburn, VA, Kansas Metropolis, MO and Omaha, NE in exhibiting outage circumstances. This enhance in impacted nodes appeared to coincide with a rise within the variety of impacted downstream clients and companions. The outage was cleared at round 9:55 AM EST. Click on right here for an interactive view.

On February 21, Time Warner Cable, a U.S. primarily based ISP, skilled a disruption that impacted a variety of clients and companions throughout the U.S. The outage was first noticed at round 2:45 PM EST and appeared to middle on Time Warner Cable nodes situated in New York, NY.  Fifteen minutes into the outage, the variety of nodes situated in New York, NY, exhibiting outage circumstances elevated. The outage lasted 23 minutes and was cleared at round 3:10 PM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for February 12-18, 2024

ThousandEyes reported 243 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of February 12-18. That’s down from 319 outages within the week prior – a lower of 24%. Particular to the U.S., there have been 90 outages, which is down barely from 91 the week prior. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages decreased from 134 to 121 outages, a ten% lower in comparison with the week prior. Within the U.S., ISP outages decreased from 60 to 48 outages, a 20% lower in comparison with the earlier week.

Public cloud community outages: Globally, cloud supplier community outages decreased considerably from 107 to 42 outages, a 61% lower in comparison with the week prior. Within the U.S., they doubled from 4 to eight outages.

Collaboration app community outages: Globally, collaboration app community outages decreased from 11 outages to seven. Within the U.S., collaboration app community outages decreased from 5 to 2 outages.

Two notable outages

On February 16, Hurricane Electrical, a community transit supplier headquartered in Fremont, CA, skilled an outage that impacted clients and downstream companions throughout a number of areas, together with the U.S., Egypt, Sweden, the U.Okay., Japan, Mexico, Australia, Argentina, the Netherlands, Belgium, and Canada. The outage, first noticed round 8:25 AM EST, lasted 23 minutes in complete and was divided into two occurrences over a thirty-minute interval. The primary incidence appeared to initially middle on Hurricane Electrical nodes situated in New York, NY. Fifteen minutes into the primary incidence, the nodes situated in New York, NY, have been joined by nodes situated in Paris, France and Amsterdam, the Netherlands in exhibiting outage circumstances.  5 minutes after showing to clear, nodes situated in New York, NY as soon as once more started exhibiting outage circumstances. The outage was cleared at round 8:55 AM EST. Click on right here for an interactive view.

On February 17, AT&T skilled an outage on their community that impacted AT&T clients and companions throughout the U.S. The outage, lasting round 14 minutes, was first noticed round 3:40 PM EST, showing to middle on AT&T nodes situated in Little Rock, AR. 5 minutes after first being noticed, the variety of nodes exhibiting outage circumstances situated in Little Rock, AR, appeared to rise. This enhance in nodes exhibiting outage circumstances appeared to coincide with an increase within the variety of impacted companions and clients. The outage was cleared at round 3:55 PM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for February 5-11, 2024

ThousandEyes reported 319 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of February 5-11. That’s up from 265 outages within the week prior – a rise of 20%. Particular to the U.S., there have been 91 outages. That’s up from 45 outages the week prior, a rise of 102%. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages elevated from 106 to 134 outages, a 26% enhance in comparison with the week prior. Within the U.S., ISP outages greater than doubled from 28 to 60 outages, a 114% enhance in comparison with the earlier week.

Public cloud community outages: Globally, cloud supplier community outages decreased barely from 117 to 107, a 9% lower in comparison with the week prior. Within the U.S., they decreased from 5 to 4 outages.

Collaboration app community outages: Globally, collaboration app community outages climbed from three outages to 11. Within the U.S., there have been 5 collaboration app community outages, up from zero the week prior.

Two notable outages

On February 7, Time Warner Cable, a U.S. primarily based ISP, skilled a disruption that impacted a variety of clients and companions throughout a number of areas, together with the U.S., Eire, the U.Okay., Canada, India, Australia, Singapore, Japan, the Netherlands, France, Germany, Indonesia, Hong Kong, South Korea, China, and Brazil. The outage was noticed throughout a collection of occurrences over the course of forty-five minutes. First noticed at round 4:50 PM EST, the outage, consisting of 5 equally spaced four-minute durations, appeared to initially middle on Time Warner Cable nodes in New York, NY. 5 minutes after showing to clear, nodes situated in New York, NY, have been once more noticed exhibiting outage circumstances, joined by nodes situated in San Jose, CA. By the third interval, the nodes situated in San Jose, CA, had appeared to clear and have been as an alternative changed by nodes situated in Los Angeles, CA, in exhibiting outage circumstances, along with nodes situated in New York, NY. The outage lasted a complete of 20 minutes and was cleared at round 5:35 PM EST. Click on right here for an interactive view.

On February 6, NTT America, a world Tier 1 ISP and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., Germany, the U.Okay., the Netherlands, and Hong Kong The outage, lasting 24 minutes, was first noticed round 8:10 PM EST and appeared to initially middle on NTT nodes situated in Chicago, IL and Dallas, TX. Round 5 minutes into the outage, the nodes situated in Chicago, IL and Dallas, TX, have been joined by nodes situated in Newark, NJ, in exhibiting outage circumstances. The obvious enhance of nodes exhibiting outage circumstances appeared to coincide with a rise within the variety of impacted downstream clients and companions. The outage was cleared round 8:35 PM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for January 29- February 4, 2024

ThousandEyes reported 265 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of January 29- February 4. That’s greater than double the variety of outages within the week prior (126). Particular to the U.S., there have been 45 outages. That’s down from 55 outages the week prior, a lower of 18%. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages was 106, a rise of 15% in comparison with 92 outages the earlier week. Within the U.S., ISP outages decreased by 28%, dropping from 39 to twenty-eight outages.

Public cloud community outages: Globally, cloud supplier community outages skyrocketed from 5 to 117 final week (the rise gave the impression to be a results of a rise in outages within the APJC area). Within the U.S., they elevated from two to 5 outages.

Collaboration app community outages: Globally, collaboration app community outages decreased from 5 outages to 3. Within the U.S., collaboration app community outages decreased from one outage to zero.

Two notable outages

On January 31, Comcast Communications skilled an outage that impacted a variety of downstream companions and clients throughout a number of areas together with the U.S., Malaysia, Singapore, Hong Kong, Canada, Germany, South Korea, Japan, and Australia. The outage, lasting 18 minutes, was first noticed round 8:00 PM EST and gave the impression to be centered on Comcast nodes situated in Ashburn, VA. Ten minutes into the outage, the nodes exhibiting outage circumstances, situated in Ashburn, VA, appeared to extend. The obvious enhance of nodes exhibiting outage circumstances appeared to coincide with a rise within the variety of impacted downstream clients and companions. The outage was cleared round 8:20 PM EST. Click on right here for an interactive view.

On February 2, NTT America, a world Tier 1 ISP and subsidiary of NTT World, skilled an outage that impacted a few of its clients and downstream companions in a number of areas, together with the U.S., Germany, the Netherlands, and the U.Okay. The outage, lasting 23 minutes, was first noticed round 1:25 PM EST and appeared to middle on NTT nodes situated in Dallas, TX and Chicago, IL. The outage was cleared round 1:50 PM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for January 22-28, 2024

ThousandEyes reported 126 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of January 22-28. That’s down from 156 the week prior, a lower of 19%. Particular to the U.S., there have been 55 outages. That’s down from 91 outages the week prior, a lower of 40%. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages was 92, a lower of 14% in comparison with 107 outages the earlier week. Within the U.S., ISP outages decreased by 35%, dropping from 60 to 39 outages.

Public cloud community outages: Globally, cloud supplier community outages dropped from 14 to 5 final week. Within the U.S., they decreased from seven to 2 outages.

Collaboration app community outages: Globally, collaboration app community outages remained the identical because the week prior: 5 outages. Within the U.S., collaboration app community outages decreased from 4 outages to at least one.

Three notable outages

On January 26, Microsoft skilled a difficulty that affected its clients in numerous areas across the globe. The outage was first noticed round 11:00 AM EST and appeared to trigger service failures in Microsoft Groups, which affected the usability of the applying for customers throughout the globe. Whereas there was no packet loss when connecting to the Microsoft Groups edge servers, the failures have been according to reported points inside Microsoft’s community that will have prevented the sting servers from reaching the applying elements on the backend. The incident was resolved for a lot of customers by 6:10 PM EST. Click on right here for an interactive view.

On January 24, Akamai skilled an outage on its community that impacted content material supply connectivity for patrons and companions utilizing Akamai Edge supply providers within the Washington D.C. space. The outage was first noticed round 12:10 PM EST and appeared to middle on Akamai nodes situated in Washington D.C. The outage lasted a complete of 24 minutes. Akamai introduced that ordinary operations had resumed at 1:00 PM EST. Click on right here for an interactive view.

On January 23, Internap, a U.S primarily based cloud service supplier, skilled an outage that impacted a lot of its downstream companions and clients in a number of areas, together with the U.S., and Singapore. The outage, which was first noticed round 2:30 AM EST, lasted 18 minutes in complete and gave the impression to be centered on Internap nodes situated in Boston, MA. The outage was at its peak round fifteen minutes after being noticed, with the best variety of impacted areas, companions, and clients. The outage was cleared round 2:55 AM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for January 15-21, 2024

ThousandEyes reported 156 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of January 15-21. That’s up from 151 the week prior, a rise of three%. Particular to the U.S., there have been 91 outages. That’s up considerably from 63 outages the week prior, a rise of 44%. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages was 107, a rise of 8% in comparison with 83 outages the earlier week, and within the U.S. ISP outages elevated by 58%, climbing from 38 to 60 outages.

Public cloud community outages: Globally, cloud supplier community outages dropped from 30 to 14 final week. Within the U.S., they elevated from six to seven outages.

Collaboration app community outages: Globally, collaboration app community outages decreased from seven to 5 outages. Within the U.S., collaboration app community outages stayed on the identical degree: 4 outages.

Two notable outages

On January 16, Oracle skilled an outage on its community that impacted Oracle clients and downstream companions interacting with Oracle Cloud providers in a number of areas, together with the U.S., Canada, China, Panama, Norway, the Netherlands, India, Germany, Malaysia, Sweden, Czech Republic, and Norway. The outage was first noticed round 8:45 AM EST and appeared to middle on Oracle nodes situated in numerous areas worldwide, together with Ashburn, VA, Tokyo, Japan, San Jose, CA, Melbourne, Australia, Cardiff, Wales, London, England, Amsterdam, the Netherlands, Frankfurt, Germany, Slough, England, Phoenix, AZ, San Francisco, CA, Atlanta, GA, Washington D.C., Richmond, VA, Sydney, Australia, New York, NY, Osaka, Japan, and Chicago, IL. Thirty-five minutes after first being noticed, all of the nodes exhibiting outage circumstances appeared to clear. An extra ten minutes later, nodes situated in Toronto, Canada, Phoenix, AZ, Frankfurt, Germany, Cleveland, OH, Slough, England, Ashburn, VA, Washington, D.C., Cardiff, Wales, Amsterdam, the Netherlands, Montreal, Canada, London, England, Sydney, Australia, and Melbourne, Australia started exhibiting outage circumstances once more.  The outage lasted 40 minutes in complete and was cleared at round 9:50 AM EST. Click on right here for an interactive view.

On January 20, Hurricane Electrical, a community transit supplier headquartered in Fremont, CA, skilled an outage that impacted clients and downstream companions throughout a number of areas, together with the U.S., Thailand, Hong Kong, India, Japan, and Australia. The outage, first noticed round 7:15 PM EST, lasted 11 minutes in complete and was divided into two occurrences over a one-hour five-minute interval. The primary incidence appeared to middle on Hurricane Electrical nodes situated in Los Angeles, CA. Fifty minutes after the primary incidence appeared to clear, the second incidence was noticed. Lasting 8 minutes, the outage initially appeared to middle on nodes situated in Los Angeles, CA. Round 5 minutes into the second incidence, the nodes in Los Angeles, CA have been joined by nodes situated in San Jose, CA, in exhibiting outage circumstances. The outage was cleared at round 8:20 PM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for January 8-14, 2024

ThousandEyes reported 151 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week of January 8-14. That’s up from 122 the week prior, a rise of 24%. Particular to the U.S., there have been 63 outages. That’s up from 58 outages the week prior, a rise of 9%. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages was 83, a rise of 8% in comparison with the earlier week, and within the U.S. they elevated by 6%, climbing from 36 to 38 outages.

Public cloud community outages: Globally, cloud supplier community outages jumped from 19 to 30 final week. Within the U.S., they decreased from 10 to 6 outages.

Collaboration app community outages: Globally, collaboration app community outages elevated from 5 to seven outages. Within the U.S., collaboration app community outages elevated from one to 4 outages.

Two notable outages

On January 14, Zayo Group, a U.S. primarily based Tier 1 provider headquartered in Boulder, Colorado, skilled an outage that impacted a few of its companions and clients throughout a number of areas together with the U.S., Canada, Sweden, and Germany. The outage lasted round 14 minutes, was first noticed round 7:10 PM EST, and appeared to initially middle on Zayo Group nodes situated in Houston, TX. Ten minutes after first being noticed, nodes situated in Houston, TX, have been joined by nodes situated in Amsterdam, the Netherlands, in exhibiting outage circumstances. This rise of the variety of nodes exhibiting outage circumstances appeared to coincide with a rise within the variety of impacted downstream companions and clients. The outage was cleared round 7:25 PM EST. Click on right here for an interactive view.

On January 13, Time Warner Cable, a U.S. primarily based ISP, skilled a disruption that impacted a variety of clients and companions throughout the U.S. The outage was first noticed at round 12:45 PM EST and appeared to middle on Time Warner Cable nodes situated in New York, NY.  Fifteen minutes into the outage, the variety of nodes situated in New York, NY, exhibiting outage circumstances elevated. The outage lasted 19 minutes and was cleared at round 1:05 PM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.

Web report for January 1-7, 2024

ThousandEyes reported 122 international community outage occasions throughout ISPs, cloud service supplier networks, collaboration app networks and edge networks (together with DNS, content material supply networks, and safety as a service) throughout the week ofJanuary 1-7. Over the prior three weeks, all outage classes repeatedly decreased for 2 weeks earlier than rising within the final week. Particular to the U.S., there have been 58 outages. Right here’s a breakdown by class:

ISP outages: Globally, the variety of ISP outages was 77, a rise of 43% in comparison with the earlier week, and within the U.S. they almost doubled from 20 to 36.

Public cloud community outages: Globally, cloud supplier community outages elevated from 13 to 19 final week. Within the U.S., they elevated from 6 to 10.

Collaboration app community outages: Globally, collaboration app community outages elevated from one to 5 outages. Within the U.S., collaboration app community outages elevated from zero to at least one. 

Two notable outages

On January 4, Time Warner Cable, a U.S. primarily based ISP, skilled a disruption that impacted a variety of clients and companions throughout the U.S. The outage was first noticed at round 10:45 AM EST and appeared to middle on Time Warner Cable nodes situated in New York, NY.  5 minutes into the outage, the variety of nodes situated in New York, NY, exhibiting outage circumstances elevated. The outage lasted 13 minutes and was cleared at round 11:00 AM EST. Click on right here for an interactive view.

On January 4, Telecom Italia Sparkle, a Tier 1 supplier headquartered in Rome, Italy, and a part of the Italian-owned Telecom Italia, skilled an outage that impacted a lot of its downstream companions and clients in a number of areas, together with the U.S., Argentina, Brazil, and Chile. The outage lasted 28 minutes in complete and was divided into two episodes over a 35-minute interval. It was first noticed round 4:00 AM EST. The primary interval of the outage, lasting round 24 minutes, gave the impression to be centered on Telecom Italia Sparkle nodes situated in Miami, FL. 5 minutes after showing to clear, nodes situated in Miami, FL, once more exhibited outage circumstances. The outage was cleared round 4:35 AM EST. Click on right here for an interactive view.

Further particulars from ThousandEyes can be found right here.



Google Pixels Carry Verizon App Doubling As a Backdoor


UPDATED

A defunct but unremovable utility embedded within the firmware of all Google Pixel telephones can operate as an ideal malicious backdoor.

“Showcase.apk” was designed by Pittsburgh-based Smith Micro, particularly for Pixel units on show at Verizon shops. One way or the other, a way, it ended up pre-installed in each Pixel telephone shipped since a minimum of September 2017 — hundreds of thousands across the globe, throughout each mannequin moreover the very first, even in these not serviced by Verizon.

That is dangerous information, iVerify famous in a report yesterday, because the app possesses important privileges, and the potential to carry out all types of malicious capabilities. And since it exists within the base picture of the telephone, there is not any method for anybody however Google itself to eliminate it.

Showcase.apk Is Not A-OK

Earlier this yr, iVerify recognized an insecurity in an Android gadget utilized by Palantir Applied sciences, the massive information firm which contracts with authorities intelligence and protection businesses. Their investigation led to showcase.apk, a now out of date Android Bundle File (APK) contracted by Verizon Wi-fi to be used in its demo units.

There have been many components of this app which stay shrouded in thriller to today, reminiscent of why it was put in on something moreover the telephones displayed in Verizon shops and why it was it so unduly privileged. The app inherits “extreme” system-like privileges for no discernible purpose. It may possibly use these privileges to run instructions in a shell atmosphere, or set up arbitrary packages, amongst different issues.

“You need to use your creativeness for the way it could possibly be used,” says Rocky Cole, Co-Founder & COO at iVerify, himself a former Google worker. “It has the power to regulate the gadget — like, flip the digicam on and off, learn textual content messages, emails, as a part of its core demo retailer performance.”

It would not assist, then, that the package deal is riddled with vulnerabilities. It communicates with a command-and-control (C2) area and downloads recordsdata over unsecure HTTP, opening the door to man-in-the-middle (MITM) assaults, the insecure certificates and signature verification processes it makes use of to test incoming recordsdata can return legitimate responses even after failure, and extra.

A Silver Lining

There are two bits of excellent information, although.

For one factor, showcase.apk seems to be off by default. And, it turned out, iVerify researchers might solely toggle it on after they had bodily proximity to a focused gadget (by way of mechanisms they might not disclose previous to any Google patch).

“The idea that proximity to the gadget is required to activate it’s really the one factor standing between the adversary and the tip person,” explains Cole who, moreover Google, additionally previously labored as an NSA analyst. “In the event you overcome that barrier — and I can suppose of some ways in which you may — what you primarily have is an undetectable, persistent spiral.”

This might be of most concern to high-risk customers. “At Palantir, for instance, a whole lot of their clients work in actually contested areas. They’re on the entrance traces of not simply digital battle, however precise, kinetic, actual world battle. And a whole lot of nationwide safety capabilities are constructed on Android. And so this vulnerability could be the proper second or third stage of a cell exploit chain,” he says.

For example of the place showcase.apk might match right into a wider assault chain, he factors to Operation Triangulation. “The exploit chain on that was 10 or 12 steps lengthy — take into consideration showcase.apk as becoming someplace within the center to the tip of that.”

Not Deliberate for Google Pixel 9

To date, no proof means that showcase.apk has been exploited within the wild.

In statements to the press, Google spokespeople have indicated that the upcoming Google Pixel 9 won’t embrace the package deal in any respect. For present Pixels, Google is reportedly engaged on an replace to be launched “within the coming weeks.” Till then, Pixel homeowners at excessive threat can do little greater than shield their telephones bodily, to make tough the preliminary strategies of intrusion which pave the best way for showcase.apk abuse.

Darkish Studying has reached out to Google for extra details about any upcoming fixes.

A Verizon spokesperson supplied a press release, saying: “We’re conscious of a possible vulnerability particular to a functionality that allows in-store demos of Android units. This functionality is not being utilized by Verizon in shops, and isn’t utilized by customers. We now have seen no proof of any exploitation of this. Out of an abundance of precaution, Android OEMs will probably be eradicating this demo functionality from all supported units.”

Meantime, to Cole, there is a broader situation at play. “Take CrowdStrike –  and to be clear, I really like Crowdstrike, that is only a studying for the business as an entire – it is wittingly positioned there by the tip person. In the event you purchase CrowdStrike, you conform to have third-party software program working on the kernel stage in your machines. What’s totally different about Showcase.apk is that no finish person ever will get the [option] aside from to only settle for Pixel’s Phrases of Service. It is a take it or go away it proposition — you both settle for the bloatware or you do not use Pixel,” he explains.

“The lesson right here,” he concludes, “is it is most likely dangerous to push third-party software program so deep within the working system with out giving customers the power to take away it.”

This story was up to date at 5:28pm ET to incorporate remark acquired from Verizon.



Now in Android #108. Android 15 Beta 3, two Compose case… | by Ash Nohe | Android Builders | Jun, 2024


Android 15 Beta 3 is launched, taking Android 15 to Platform Stability. This implies the developer APIs and all app-facing behaviors are closing so that you can overview. Additionally, Apps focusing on Android 15 could be revealed in Google Play.

The Beta 3 put up highlights how customers will have the ability to sign-into apps that concentrate on Android 15 utilizing passkeys in a single step with facial recognition, fingerprint, or display lock.

The put up additionally covers how the WebSettings DatabaseEnabled getter and setter, which was used for WebSQL inside a WebView, is deprecated. The World Broad Internet Consortium encourages apps needing internet databases to as an alternative undertake Internet Storage API applied sciences like IndexedDB.

Tomáš discusses how Max applied UI modifications 30% sooner with Jetpack Compose by lowering boilerplate code, growing the re-usability of UI components, and boosting total developer productiveness.

Chris discusses how the pattern Jetcaster app was enhanced to help further type components. He emphasizes code sharing whereas including help for Tablets, Desktops, Foldables, TV, Put on OS, and Widgets.

Robbie highlights a number of apps from Australia which can be enhancing lives as a part of #WeArePlay. One app helps folks throughout pure disasters, one other promotes wellbeing via houseplants.

Paris wrote about profitable experiments with Android improvement in Google AI Studio involving turning designs into code, fixing UI, and prompting so as to add new options.

On episode 207: “AI improvement help”, Tor and Romain invite Kathy from Google’s AI Developer Help workforce to debate integrating Gemini in Android Studio. You’ll hear inside details about fine-tuning the mannequin for Android, together with how Gemini retrieves data from the web that’s not within the coaching knowledge to complement its capabilities. Additionally they focus on future AI prospects, like offering personalization primarily based off of the customers codebase and writing edge check instances.

Take heed to it in podcast or video format.

Nick recaps the highest three I/O bulletins from Google Play together with enhanced retailer listings, expanded cost choices, and SDK Console enhancements.

At Google I/O Yigit advises builders to begin experimenting with Kotlin Multiplatform.

And Zarah shares why they’re excited for shared aspect transitions and screenshot testing.

There have been loads of steady releases.

Look 1.1.0 provides unit testing help and extra elements for constructing foundational UI components to your homescreen widgets.

Fragment 1.8.0 consists of AndroidFragment — an API for embedding Fragments in Compose.

When you’re seeing ‘LocalLifecycleOwner not current’ when utilizing Compose, strive upgrading Lifecycle to Lifecycle 2.8.2, which you need to use with any model of Compose with out workarounds.

A number of testing libraries are steady, together with Core-ktx 1.6.0, Espresso 3.6.0, Espresso System 1.0.0, JUnit Extensions 1.2.0, Fact Extensions 1.6.0, Monitor 1.7.0, Orchestrator 1.5.0, Runner 1.6.0, Guidelines 1.6.0 and Companies 1.5.0.

A number of different steady releases dropped, together with Digital camera 1.3.4, Compose Animation 1.6.8, Compose Basis 1.6.8, Compose Materials 1.6.8, Compose Runtime 1.6.8, Compose UI 1.6.8, Concurrent 1.2.0, Core-RemoteViews 1.1.0, Video games-Controller 2.0.2.

That’s it for this week with Android 15 Beta 3, two Compose case research, Google AI Studio, Gemini in Android Studio, and plenty of steady AndroidX releases.

Test again quickly to your subsequent replace from the Android developer universe! 💫

Check-Driving HTML Templates


foo

Let’s have a look at how one can do it in phases: we begin with the next take a look at that
tries to compile the template. In Go we use the usual html/template package deal.

Go

  func Test_wellFormedHtml(t *testing.T) {
    templ := template.Should(template.ParseFiles("index.tmpl"))
    _ = templ
  }

In Java, we use jmustache
as a result of it is quite simple to make use of; Freemarker or
Velocity are different widespread decisions.

Java

  @Check
  void indexIsSoundHtml() {
      var template = Mustache.compiler().compile(
              new InputStreamReader(
                      getClass().getResourceAsStream("/index.tmpl")));
  }

If we run this take a look at, it’s going to fail, as a result of the index.tmpl file does
not exist. So we create it, with the above damaged HTML. Now the take a look at ought to move.

Then we create a mannequin for the template to make use of. The applying manages a todo-list, and
we will create a minimal mannequin for demonstration functions.

Go

  func Test_wellFormedHtml(t *testing.T) {
    templ := template.Should(template.ParseFiles("index.tmpl"))
    mannequin := todo.NewList()
    _ = templ
    _ = mannequin
  }

Java

  @Check
  void indexIsSoundHtml() {
      var template = Mustache.compiler().compile(
              new InputStreamReader(
                      getClass().getResourceAsStream("/index.tmpl")));
      var mannequin = new TodoList();
  }

Now we render the template, saving the ends in a bytes buffer (Go) or as a String (Java).

Go

  func Test_wellFormedHtml(t *testing.T) {
    templ := template.Should(template.ParseFiles("index.tmpl"))
    mannequin := todo.NewList()
    var buf bytes.Buffer
    err := templ.Execute(&buf, mannequin)
    if err != nil {
      panic(err)
    }
  }

Java

  @Check
  void indexIsSoundHtml() {
      var template = Mustache.compiler().compile(
              new InputStreamReader(
                      getClass().getResourceAsStream("/index.tmpl")));
      var mannequin = new TodoList();
  
      var html = template.execute(mannequin);
  }

At this level, we wish to parse the HTML and we anticipate to see an
error, as a result of in our damaged HTML there’s a div factor that
is closed by a p factor. There may be an HTML parser within the Go
customary library, however it’s too lenient: if we run it on our damaged HTML, we do not get an
error. Fortunately, the Go customary library additionally has an XML parser that may be
configured to parse HTML (because of this Stack Overflow reply)

Go

  func Test_wellFormedHtml(t *testing.T) {
    templ := template.Should(template.ParseFiles("index.tmpl"))
    mannequin := todo.NewList()
    
    // render the template right into a buffer
    var buf bytes.Buffer
    err := templ.Execute(&buf, mannequin)
    if err != nil {
      panic(err)
    }
  
    // test that the template will be parsed as (lenient) XML
    decoder := xml.NewDecoder(bytes.NewReader(buf.Bytes()))
    decoder.Strict = false
    decoder.AutoClose = xml.HTMLAutoClose
    decoder.Entity = xml.HTMLEntity
    for {
      _, err := decoder.Token()
      swap err {
      case io.EOF:
        return // We're carried out, it is legitimate!
      case nil:
        // do nothing
      default:
        t.Fatalf("Error parsing html: %s", err)
      }
    }
  }

supply

This code configures the HTML parser to have the appropriate stage of leniency
for HTML, after which parses the HTML token by token. Certainly, we see the error
message we needed:

--- FAIL: Test_wellFormedHtml (0.00s)
    index_template_test.go:61: Error parsing html: XML syntax error on line 4: surprising finish factor 

In Java, a flexible library to make use of is jsoup:

Java

  @Check
  void indexIsSoundHtml() {
      var template = Mustache.compiler().compile(
              new InputStreamReader(
                      getClass().getResourceAsStream("/index.tmpl")));
      var mannequin = new TodoList();
  
      var html = template.execute(mannequin);
  
      var parser = Parser.htmlParser().setTrackErrors(10);
      Jsoup.parse(html, "", parser);
      assertThat(parser.getErrors()).isEmpty();
  }

supply

And we see it fail:

java.lang.AssertionError: 
Anticipating empty however was:<[<1:13>: Unexpected EndTag token [] when in state [InBody],

Success! Now if we copy over the contents of the TodoMVC
template
to our index.tmpl file, the take a look at passes.

The take a look at, nonetheless, is simply too verbose: we extract two helper features, in
order to make the intention of the take a look at clearer, and we get

Go

  func Test_wellFormedHtml(t *testing.T) {
    mannequin := todo.NewList()
  
    buf := renderTemplate("index.tmpl", mannequin)
  
    assertWellFormedHtml(t, buf)
  }

supply

Java

  @Check
  void indexIsSoundHtml() {
      var mannequin = new TodoList();
  
      var html = renderTemplate("/index.tmpl", mannequin);
  
      assertSoundHtml(html);
  }

supply

Degree 2: testing HTML construction

What else ought to we take a look at?

We all know that the appears of a web page can solely be examined, finally, by a
human taking a look at how it’s rendered in a browser. Nevertheless, there’s usually
logic in templates, and we wish to have the ability to take a look at that logic.

One is likely to be tempted to check the rendered HTML with string equality,
however this system fails in apply, as a result of templates comprise quite a lot of
particulars that make string equality assertions impractical. The assertions
develop into very verbose, and when studying the assertion, it turns into tough
to know what it’s that we’re making an attempt to show.

What we want
is a method to say that some components of the rendered HTML
correspond to what we anticipate, and to ignore all the main points we do not
care about.
A method to do that is by operating queries with the CSS selector language:
it’s a highly effective language that permits us to pick out the
parts that we care about from the entire HTML doc. As soon as we’ve got
chosen these parts, we (1) depend that the variety of factor returned
is what we anticipate, and (2) that they comprise the textual content or different content material
that we anticipate.

The UI that we’re imagined to generate appears like this:

Check-Driving HTML Templates

There are a number of particulars which can be rendered dynamically:

  1. The variety of objects and their textual content content material change, clearly
  2. The type of the todo-item adjustments when it is accomplished (e.g., the
    second)
  3. The “2 objects left” textual content will change with the variety of non-completed
    objects
  4. One of many three buttons “All”, “Energetic”, “Accomplished” can be
    highlighted, relying on the present url; for example if we determine that the
    url that reveals solely the “Energetic” objects is /lively, then when the present url
    is /lively, the “Energetic” button must be surrounded by a skinny purple
    rectangle
  5. The “Clear accomplished” button ought to solely be seen if any merchandise is
    accomplished

Every of this issues will be examined with the assistance of CSS selectors.

This can be a snippet from the TodoMVC template (barely simplified). I
haven’t but added the dynamic bits, so what we see right here is static
content material, supplied for instance:

index.tmpl

  

supply

Kolmogorov-Arnold Networks: The New Frontier in Environment friendly and Interpretable Neural Networks


Neural networks have been on the forefront of AI developments, enabling every little thing from pure language processing and laptop imaginative and prescient to strategic gameplay, healthcare, coding, artwork and even self-driving automobiles. Nonetheless, as these fashions increase in dimension and complexity, their limitations have gotten vital drawbacks. The calls for for huge quantities of knowledge and computational energy not solely make them expensive but additionally increase sustainability issues. Furthermore, their opaque, black-box nature hinders interpretability, a essential issue for wider adoption in delicate fields. In response to those rising challenges, Kolmogorov-Arnold Networks are rising as a promising various, providing a extra environment friendly and interpretable resolution that might redefine the way forward for AI.

On this article, we’ll take a better take a look at Kolmogorov-Arnold Networks (KANs) and the way they’re making neural networks extra environment friendly and interpretable. However earlier than we dive into KANs, it’s important to first perceive the construction of multi-layer perceptrons (MLPs) in order that we are able to clearly see how KANs differentiate themselves from conventional approaches.

Understanding Multi-Layered Perceptron (MLP)

Multi-layer perceptrons (MLPs), also called totally related feedforward neural networks, are elementary to the structure of contemporary AI fashions. They include layers of nodes, or “neurons,” the place every node in a single layer is related to each node within the subsequent layer. The construction sometimes contains an enter layer, a number of hidden layers, and an output layer. Every connection between nodes has an related weight, figuring out the power of the connection. Every node (besides these within the enter layer) applies a hard and fast activation operate to the sum of its weighted inputs to provide an output. This course of permits MLPs to be taught advanced patterns in knowledge by adjusting the weights throughout coaching, making them highly effective instruments for a variety of duties in machine studying.

Introducing Kolmogorov-Arnold Networks (KANs)

Kolmogorov-Arnold Networks are a brand new sort of neural networks making a major shift in how we design neural networks. They’re impressed by Kolmogorov-Arnold illustration theorem, a mid-Twentieth century mathematical idea developed by famend mathematicians Andrey Kolmogorov and Vladimir Arnold. Like MLPs, KANs have a completely related construction. Nonetheless, not like MLPs, which use mounted activation features at every node, KANs make the most of adjustable features on the connections between nodes. Which means relatively than merely studying the power of the connection between two nodes, KANs be taught all the operate that maps enter to output. The operate in KANs isn’t mounted; it may be extra advanced—probably a spline or a mix of features—and varies for every connection. A key distinction between MLPs and KANs lies in how they course of indicators: MLPs first sum the incoming indicators after which apply non-linearity, whereas KANs first apply non-linearity to the incoming indicators earlier than summing them. This strategy makes KANs extra versatile and environment friendly, usually requiring fewer parameters to carry out related duties.

Why KANs are extra Environment friendly than MLPs

MLPs observe a hard and fast strategy to rework enter indicators into outputs. Whereas this methodology is simple, it usually requires a bigger community—extra nodes and connections—to deal with the complexities and variations in knowledge. To visualise this, think about fixing a puzzle with items of a hard and fast form. If the items do not match completely, you want extra of them to finish the image, resulting in a bigger, extra advanced puzzle.

Alternatively, Kolmogorov-Arnold Networks (KANs) supply a extra adaptable processing construction. As a substitute of utilizing mounted activation features, KANs make use of adjustable features that may change themselves to the particular nature of the info. To place it within the context of the puzzle instance, consider KANs as a puzzle the place the items can adapt their form to suit completely into any hole. This flexibility means KANs can work with smaller computation graphs and fewer parameters, making them extra environment friendly. For instance, a 2-layer width-10 KAN can obtain higher accuracy and parameter effectivity in comparison with a 4-layer width-100 MLP. By studying features on the connections between nodes relatively than counting on mounted features, KANs reveal superior efficiency whereas protecting the mannequin easier and cheaper.

Why KANs are Extra Interpretable than MLPs

Conventional MLPs create intricate layers of relationships between incoming indicators, which might obscure how selections are made, significantly when dealing with giant volumes of knowledge. This complexity makes it troublesome to hint and perceive the decision-making course of. In distinction, Kolmogorov-Arnold Networks (KANs) supply a extra clear strategy by simplifying the mixing of indicators, making it simpler to visualise how they’re mixed and contribute to the ultimate output.

KANs make it simpler to visualise how indicators are mixed and contribute to the output. Researchers can simplify the mannequin by eradicating weak connections and utilizing easier activation features. This strategy can generally lead to a concise, intuitive operate that captures the KAN’s total habits and, in some circumstances, even reconstructs the underlying operate that generated the info. This inherent simplicity and readability make KANs extra interpretable in comparison with conventional MLPs.

Potential of KANs for Scientific Discoveries

Whereas MLPs have made vital advances in scientific discovery, resembling predicting protein buildings, forecasting climate and disasters, and aiding in drug and materials discovery, their black-box nature leaves the underlying legal guidelines of those processes shrouded in thriller. In distinction, the interpretable structure of KANs has the potential to disclose the hidden mechanisms that govern these advanced programs, offering deeper insights into the pure world. A few of the potential use circumstances of KANs for scientific discoveries are:

  • Physics: Researchers have examined KANs on primary physics duties by producing datasets from easy bodily legal guidelines and utilizing KANs to foretell these underlying ideas. The outcomes reveal KANs’ potential to uncover and mannequin elementary bodily legal guidelines, revealing new theories or validating present ones by their means to be taught advanced knowledge relationships.
  • Biology and Genomics: KANs can be utilized to uncover the advanced relationships between genes, proteins, and organic features. Their interpretability additionally affords researchers the flexibility to hint gene-trait connections, opening new avenues for understanding gene regulation and expression.
  • Local weather Science: Local weather modeling includes the simulation of extremely advanced programs which are influenced by many interacting variables, resembling temperature, atmospheric strain, and ocean currents. KANs might improve the accuracy of local weather fashions by effectively capturing these interactions with out the necessity for excessively giant fashions.
  • Chemistry and Drug Discovery: In chemistry, significantly within the area of drug discovery, KANs might be utilized to mannequin chemical reactions and predict the properties of recent compounds. KANs might streamline the drug discovery course of by studying the intricate relationships between chemical buildings and their organic results, probably figuring out new drug candidates extra rapidly and with fewer sources.
  • Astrophysics: Astrophysics offers with knowledge that’s not solely huge but additionally advanced, usually requiring refined fashions to simulate phenomena like galaxy formation, black holes, or cosmic radiation. KANs might assist astrophysicists mannequin these phenomena extra effectively by capturing the important relationships with fewer parameters. This might result in extra correct simulations and assist uncover new astrophysical ideas.
  • Economics and Social Sciences: In economics and social sciences, KANs might be helpful for modeling advanced programs like monetary markets or social networks. Conventional fashions usually simplify these interactions, which might result in much less correct predictions. KANs, with their means to seize extra detailed relationships, would possibly assist researchers higher perceive market tendencies, coverage impacts, or social behaviors.

The Challenges of KANs

Whereas KANs current a promising development in neural community design, they arrive with their very own set of challenges. The pliability of KANs, which permits for adjustable features on connections relatively than mounted activation features, could make the design and coaching processes extra advanced. This added complexity can result in longer coaching instances and should require extra superior computational sources, which might diminish among the effectivity advantages. That is primarily as a result of, presently the KANs aren’t designed to benefit from GPUs. The sector remains to be comparatively new, and there aren’t but standardized instruments or frameworks for KANs, which might make them tougher for researchers and practitioners to undertake in comparison with extra established strategies. These points spotlight the necessity for ongoing analysis and improvement to handle the sensible hurdles and totally leverage some great benefits of KANs.

The Backside Line

Kolmogorov-Arnold Networks (KANs) supply a major development in neural community design, addressing the inefficiencies and interpretability problems with conventional fashions like multi-layer perceptrons (MLPs). With their adaptable features and clearer knowledge processing, KANs promise larger effectivity and transparency, which might be transformative for scientific analysis and sensible functions. Whereas nonetheless within the early phases and dealing with challenges resembling advanced design and restricted computational assist, KANs maintain the potential to reshape how we strategy AI and its use in numerous fields. Because the expertise matures, it could present beneficial insights and enhancements throughout many domains.