Global internet health check and network outage report

ThousandEyes, which tracks internet and cloud traffic, provides Network World with weekly updates on the performance of ISPs, cloud service providers, and UCaaS providers.

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Globally, cloud-provider network outages increased from six to 18, and in the US increased from six to 11.

Globally, collaboration-app network outages increased from 10 to 12, and from seven to nine in the US.

Two notable outages:

On June 28, Hurricane Electric experienced an outage that impacted customers and downstream partners across countries including the US, Malaysia, Turkey, Argentina, Germany, Slovenia, Switzerland, Hong Kong, Australia, Japan, and the UK. The outage was first observed around 10:20 p.m. EDT and lasted a total of 24 minutes. It appeared initially centered on Hurricane Electric nodes in Marseille, France, and around five minutes later nodes in New York, New York, and Vienna, Austria showed outage conditions. The number of affected parties appeared to peak 10 minutes after the outage was observed, and it was cleared around 10:45 p.m. EDT. Click here for an interactive view.

On June 30, Cogent Communications experienced a 31-minute outage affecting multiple downstream providers and customers in countries including the US, Brazil, Singapore, Australia, Hong Kong, New Zealand, Mexico, the UK, Germany, France, Spain, India, and Austria. The outage  was first observed around 4:45 a.m. EDT centered on Cogent nodes in Los Angeles and San Jose, California; Phoenix, Arizona; and Houston, Texas. Five minutes later, nodes in San Francisco and Oakland, California; Miami, Florida;  El Paso, Texas, and Hong Kong also showed outage conditions. The outage was cleared around 5:20 a.m. EDT. Click here for an interactive view.

Updated June 27

Global outages across all three categories last week decreased from 281 to 247, down 12% compared to the week prior. In the US, outages increased from 89 to 92, up 3%.

Globally the number of ISP outages decreased from 215 to 173, down 20% and in the US increased from 62 to 63.

Globally cloud-provider network outages decreased from seven to six, and in the US increased from four to six.

Globally collaboration-app network outages jumped from one to 10 and in the US increased from one to seven.

Two notable outages:

On June 21, Cloudflare suffered an interruption that impacted its customers globally. First observed around 2:30 a.m. EDT, the disruption lasted around 1 hour and 10 minutes, and saw a Cloudflare nodes exhibiting outage conditions in London, England; Vancouver, Canada; Dallas, Texas; Singapore; Tokyo, Japan; Cadiz, Spain; Frankfurt, Germany; and Sydney, Australia. The interruption appeared to prevent some customer traffic from flowing properly to websites and services that rely on Cloudflare. The company announced that the outage was a result of a network-configuration change that prevented traffic from flowing to the Cloudflare infrastructure. Around 3:00 a.m. EDT, Cloudflare announced it had identified the cause and began rolling back the change. Around 3:10 a.m. EDT, connectivity appeared to be restored, and Cloudflare declared the outage cleared around 3:40 a.m. EDT. Click here for an interactive view.

On June 23, UUNET Verizon experienced an outage that impacted customers and partners across countries including the US, UK, Canada, Italy, Japan, the Netherlands, Portugal, China, Germany, and India. The outage was first observed around 12:40 AM EDT and appeared to be centered on Verizon Business nodes located in New York, New York; Newark, New Jersey; San Jose, California; and Seattle, Washington. The outage was divided into three occurrences spanning 4 hours and 45 minutes. Mainly customers and partners in the U.S. were impacted. The total outage lasted around 3 hours and 22 minutes and was cleared around 5:25 a.m. EDT. Click here for an interactive view.

Updated June 20

Global outages across all three categories last week decreased from 309 to 281, down 9% from the week prior. In the US, outages decreased from 129 to 89, down 31%.

Globally, ISP outages decreased from 228 to 215, down 6%, and in the US, they decreased from 99 to 62, down 37%.

Globally, cloud-provider network outages increased from four to seven, while in the US they increased from two to four.

Globally, collaboration-app network outages dropped from 10 to one, and in the US dropped from four to one.

Two notable outages:

On June 16, Cogent Communications, experienced an outage impacting downstream providers as well as customers in countries including, the US, Italy, the UK, Canada, Spain, South Africa, Germany, and Japan. The 19-minute outage was first observed around 8:25 a.m. EDT centered on nodes located in London, England. Ten minutes later nodes in York, England were also affected. The outage was cleared around 8:45 a.m. EDT. Click here for an interactive view.

On June 16, NTT America experienced an outage impacting customers and downstream partners across countries including, the US, Argentina, Uruguay, Brazil, Panama, and Japan. The 28-minute outage was first observed around 3:50 p.m. EDT and appeared to center on nodes in Miami, Florida. The outage was cleared around 4:20 p.m. EDT. Click here for an interactive view.

Updated June 13

Global outages across all three categories last week jumped from 183 to 309, up 69%, and in the US, increased from 85 to 129, up 52%.

Globally, the number of ISP outages jumped from 132 to 228, up 73%, and in the US increased from 59 to 99, up 68%.

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

Globally, collaboration-app network outages doubled from five to 10, and remained the same at four in the US.

Two notable outages:

On June 7, Hurricane Electric experienced an outage affecting customers and downstream partners across regions, including the US, Mexico, Peru, Singapore, China, Canada, Argentina, Costa Rica, and Brazil. The outage, first observed around 5:40 p.m. EDT, was cleared at around 6:10 PM EDT. Click here for an interactive view.

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.

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