Weekly internet health check, US and worldwide

ThousandEyes, which tracks internet and cloud traffic, provides Network World with weekly updates on the performance of three categories of service provider: ISP, cloud provider, UCaaS.

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On June 8, Cogent Communications, experienced an outage affecting downstream providers as well as Cogent customers in countries including, the US, Australia, Singapore, Republic of Korea, the UK, Germany, New Zealand, Hong Kong, Japan, Italy, Spain, Israel, Bulgaria, and Canada. First observed around 12:25 a.m. EDT, the outage, lasted 36 minutes in total, distributed across six occurrences over a 3 hour and 45-minute period. The outage was cleared around 4:15 a.m. EDT. Click here for an interactive view.

Updated June 6

Global outages across all three categories last week decreased from 228 to 183, down 20% compared to the week before. In the US, outages decreased from 99 to 85, down 14%.

Globally, ISP outages decreased, from 165 to 132, down 20%, and in the US dropped from 79 to 59, down 25%.

Globally, cloud provider outages increased from five to seven, and in the US remained three.

Globally, collaboration-app network outages increased from two to five, and in the US jumped from one to four.

There were two notable outages during the week.

On May 30, a Hurricane Electric outage affected customers and downstream partners across the US, Spain, Canada, Italy, Japan, Thailand, Australia, Sweden, Costa Rica, the UK, Malaysia, Singapore, Switzerland, Belgium, India, Brazil, New Zealand, and Hong Kong. The outage, first observed at around 7 a.m. EDT, lasted a total of 34 minutes and initially appeared to center on Hurricane Electric nodes located in Marseille, France, and Frankfurt, Germany. Ten minutes into the outage, the Marseille and Frankfurt nodes appeared to recover, and nodes in New York, New York, exhibited outage conditions. After 20 minutes nodes in London, England, Paris, France, and Marseille, also exhibited outage conditions, representing the peak in terms of numbers of partners and customer affected. After about five more minutes, London and Paris nodes appeared to clear. The rest of the outage was cleared around 7:35 a.m. EDT. Click here for an interactive view.

On June 1, Amazon experienced an interruption affecting some of its downstream partners and customers in the US, Australia, India, and Sweden. The 14-minute outage was first observed around 7:20 a.m. EDT and appeared centered on Amazon nodes in Ashburn, Virginia. Five minutes into the outage, some of those nodes appeared to recover, then returned to outage conditions until the outage was cleared around 7:35 a.m. EDT. Click here for an interactive view.

Updated May 30

Global outages across all three categories last week decreased from 277 to 228, down18%, and from 102 to 99 in the US, a 3% decreaser. 

Globally ISP outages dropped from 212 to 165, down 22%, and rose slightly in the US from 76 to 79, up 4%.

Globally cloud provider-network outages dropped from 17 to five and from 11 to three in the US.

Globally collaboration-app network outages dropped from four to two, and in the US from four to one.

There were two notable outages during the week.

On May 26, TATA Communications (America) Inc., experienced an outage affecting many of its downstream partners and customers in regions including the US, India, Singapore, Hong Kong, United Arab Emirates, and China. The outage lasted 33 minutes and was divided into three segments over a 1 hour and 50-minute period. It was first observed around 4:45 a.m. EDT centered on TATA nodes in Los Angeles, California; Pune, India; and Singapore. That lasted around 23 minutes, but 10 minutes into it the nodes in Pune appeared to clear. Then nodes in  Delhi, India; and Paris, France exhibited outage conditions. Five minutes later the Los Angeles, Delhi, and Paris nodes appeared to clear. Twenty-five minutes after the first occurrence cleared, the outage reappeared, with Los Angeles nodes initially appearing to exhibit outage conditions again. After five minutes they appeared to clear and Singapore nodes exhibited outage conditions. Forty-five minutes after the Singapore nodes appeared to clear, the third occurrence was observed centered on San Francisco, California, nodes. The outage was cleared around 6:35 AM EDT. Click here for an interactive view.

On May 24, Microsoft experienced an outage on its network affecting some downstream partners and access to services running on Microsoft environments. The outage, which lasted 14 minutes, was first observed around 12:35 p.m. EST and appeared to be centered on Microsoft nodes in Des Moines, Iowa. Five minutes later the affected Des Moines nodes appeared to begin to clear, gradually decreasing the number of impacted partners. The outage was cleared around 12:50 p.m. EST. Click here for an interactive view.

Updated May 23

Global outages across all three categories last week jumped from 204 to 277, up 36%, and in the US, they increased from 85 to 102, up 20%.

Globally, ISP outages increased, from 143 to 212, up 48%, and in the US increased from 64 to 76, up 19%.

Globally, cloud-provider network outages increased from nine to 17, and in the US from six to 11.

Globally, collaboration-app network outages dropped from eight to four, and in the US from six to four.

There were two notable outages.

On May 17, NTT America experienced an outage affecting some customers and downstream partners across countries including, the US, the UK, Germany, and the Netherlands. The outage, lasting around 20 minutes, was observed around 11:05 a.m. EDT and appeared to center on NTT nodes in San Jose, California; Dallas, Texas; and Seattle, Washington. Around 15 minutes into the outage, a number of Dallas nodes appeared to recover. The outage was cleared around 11:25 a.m. EDT. Click here for an interactive view.

On May 19, Amazon experienced an interruption affecting some of its partners and customers in countries including the US, Brazil, India, Armenia, and France. The outage, lasting around 10 minutes, was first observed around 2:45 p.m. EDT, apparently centered on Amazon nodes in Ashburn, Virginia. The number of impacted countries appeared at its highest for the first five minutes, decreasing throughout the duration of the outage until the last minutes when it appeared to affect only the US and India. The outage was cleared around 2:55 pm. EDT. Click here for an interactive view.

Updated May 16

Global outages across all three categories last week decreased from 237 to 204, down 14% compared to the week prior. In the US they decreased from 98 to 85 (13%).

Globally, ISP outages decreased from 175 to 143 (18%) and in the US declined from 78 to 64 (8%).

Globally cloud-provider network outages remained at nine, while in the US they doubled from three to six.

Globally collaboration-app network outages increased slightly last week, from seven to eight, and in the US increased from four to six.

There were two notable outages during the week.

On May 11 Hurricane Electric experienced an outage affecting customers and downstream partners in the US, Hong Kong, Malaysia, Brazil, United Arab Emirates, Canada, India, Germany, the Netherlands, Australia, Costa Rica, and the UK. The outage was first observed at 9:45 p.m. EDT, and lasted a total of 16 minutes in two occurrences over a 95-minute period. The first appeared to center on Hurricane Electric nodes in London, England. Five minutes into the first occurrence, the London nodes appeared to clear, but nodes in San Jose, California, exhibited outage conditions. Fifteen minutes after that appeared to clear, nodes in San Jose, California, again exhibited outage conditions, as did nodes in New York, New York, and Chicago, Illinois. The outage was cleared around 10:20 p.m. EDT. Click here for an interactive view.

On May 10, Level 3 Communications experienced an outage that affected downstream partners and customers across the US. The outage was first observed aroun 1:55 a.m. EDT centered on Level 3 nodes in San Francisco, California and was cleared around 2:05 a.m. EDT. Click here for an interactive view.

Updated May 9

Global outages across all three categories decreased from 285 to 237 (17%) last week, while in the US they decreased from 107 to 98 (8%).

Globally. ISP outages decreased from 209 to 175 (16%), and from 91 to 78 (14%) in the US.

Globally, cloud-provider network outages rose from five to nine, and in the US increased from two to three.

Globally, collaboration-app network outages increased from four to seven, and in the US from two to four.

There were two notable outages during the week.

On May 5, Hurricane Electric, experienced an outage that impacted customers and downstream partners across countries including the US, Canada, Turkey, the Netherlands, Egypt, Australia, Singapore, France, Hong Kong, the UK, and New Zealand. The outage came in 10 occurrences over a period of three hours, 33 minutes starting at 1:55 a.m. EDT. The first initially centered on Hurricane Electric nodes in Chicago, Illinois. Five minutes later, nodes in Dallas, Texas also showed outage conditions, and eight minutes after that, the nodes appeared to clear. Five minutes later the Chicago nodes again appeared to exhibit outage conditions, then appeared to clear four minutes after that, only to exhibit outage conditions again after 10 minutes. Around 2:30 a.m. EDT, the Chicago nodes appeared to clear, but showed outage conditions again 30 minutes later, as did nodes in San Jose, California. Six minutes after this outage cleared, the fifth outage occurred, again centered in Chicago and lasting six minutes but mainly affecting the US. Around 3:33 a.m. EDT, the Chicago nodes again began exhibiting outage conditions. Seven minutes into this occurrence, the Chicago nodes appeared to clear, but nodes in San Jose exhibited outages. Five minutes after that occurrence cleared, a two-minute outage affected nodes in Denver, Colorado. The eighth and longest occurrence lasted 18 minutes affecting nodes in Chicago and New York, New York. Five minutes later, Kansas City, Missouri, nodes showed outage conditions. Ten minutes into that occurrence, the New York nodes appeared to clear, but those in San Jose showed outage conditions. Twenty-five minutes after it cleared, a ninth occurrence was observed in nodes in Minneapolis, Minnesota; Portland, Oregon, and Denver. Five minutes into this occurrence, they appeared to clear and the San Jose nodes exhibited outage conditions. They cleared, but then 10 minutes later exhibited outage conditions again as did nodes in Portland and Denver. That lasted 14 minutes, finally clearing around 5:25 a.m. EDT. Click here for an interactive view.

At 3:40 a.m. EDT on May 4, NTT America experienced a 14-minute outage that impacted some customers and downstream partners across the US. It appeared to center on NTT nodes in San Jose, California, and five minutes later, some of the nodes appeared to clear. The outage was cleared around 3:55 a.m. EDT. Click here for an interactive view.

Updated May 2

Global outages across all three categories last week increased from 219 to 285, up 30%, while in the US they increased from 81 to 107, a 32% jump.

Globally, ISP outages increased from 156 to 209, up 34%, and in the US from 62 to 91, a 47% increase.

Globally, cloud provider network outages decreased from six to five, and in the US rose from one to two.

Globally, collaboration-app network outages decreased from seven to four and in the US from three to two.

There were two notable outages during the week.

On April 27 TATA Communications experienced an outage that impacted many of its downstream partners and customers in countries, including the US, the UK, Australia, Sweden, Germany, and Norway. The outage lasted 11 minutes in total and was divided into three incidents over 55-minutes. It was first observed around 5:10 a.m. EDT with an outage lasting four minutes that appeared to be centered on TATA nodes located in Newark, New Jersey, and Marseille, France. Thirty-five minutes after the first occurrence cleared, Newark nodes appeared to exhibit outage conditions again. Ten minutes after appearing to clear they again appeared to exhibit outage conditions. The outage was cleared around 6:10 a.m. EDT. Click here for an interactive view.

On April 27, Telecom Italia Sparkle experienced an outage that impacted some of its partners and customers in countries, including, the US, China, New Zealand, Canada, Japan, France, Italy, the UK, Germany, Brazil, Japan, Turkey, Nigeria, India, Hong Kong, Sweden, Republic of Korea, and Austria. The 23-minute outage was first observed around 6:25 p.m. EDT and appeared to center on nodes in Ashburn, Virginia. Five minutes into the outage nodes in Milan, Italy; Frankfurt, Germany; London, England; and Sao Paulo, Brazil, exhibited outage conditions. Twenty minutes after being observed, many of the nodes appeared to recover, leaving just nodes located in Milan and Frankfurt exhibiting outage conditions. The outage was cleared around 6:50 PM EDT. Click here for an interactive view.

Update April 18

Global outages across all three categories last week rose from 269 to 297, a 10% increase. In the US, outages increased from 97 to 110, up 13%.

Globally, ISP outages increased from 158 to 209, up 32%. while in the US they increased from 54 to 88.

Globally cloud-provider outages decreased from 11 to eight, but in the US increased from two to six.

Globally, collaboration-app network outages increased from 22 to 24, up 9%, and in the US they dropped from 15 to six.

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