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.

The reliability of services delivered by ISPs, cloud providers and conferencing services (a.k.a. unified communications-as-a-service (UCaaS)) is an indication of how well served businesses are via the internet.

ThousandEyes is monitoring how these providers are handling the performance challenges they face. It will provide Network World a roundup of interesting events of the week in the delivery of these services, and Network World will provide a summary here. Stop back next week for another update, and see more details here.

Updated Oct. 3

Global outages across all three categories last week decreased from 304 to 301 compared to the week prior, while in the U.S., they increased from 90 to 107, up 19%.

Globally, ISP outages increased from 232 to 233, while in the US, they increased from 65 to 78, up 20%.

Globally, cloud-provider network outages dropped from 14 to six and remained the same in the US at six.

Globally, collaboration-app network outages jumped from three to 10 outages, while those in the US rose from three to seven.

Two notable outages:

On September 29, Microsoft experienced an outage affecting some downstream partners and access to services running in Microsoft environments. The 33-minute outage was first observed around 7:10 a.m. EDT and appeared centered on Microsoft nodes in Washington, DC. Around 7:15 a.m. EDT nodes in Ashburn, Virginia also exhibited outage conditions. A further 15 minutes later, New York, New York, nodes also exhibited outage conditions. The outage was cleared around 7:45 a.m. EDT. Click here for an interactive view.

On October 1, Cogent Communications experienced a series of outages over a period of 35 minutes affecting downstream providers in the US, France, Singapore, Germany, the UK, Canada, and Mexico. The outage, lasting a total of 17 minutes, was first observed around 3:20 a.m. EDT centered on Cogent nodes in Oakland, California, and Washington, DC. Around 3:25 a.m. EDT, the Washington, DC, nodes appeared to clear, but nodes in Salt Lake City, Utah, showed outage conditions. This lasted around nine minutes, and the Cogent environment was then stable for 15 minutes before experiencing an eight-minute outage with Oakland and Los Angeles, California, nodes exhibiting outage conditions. Five minutes into the second occurrence, the nodes in Washington, DC, New York, New York, Houston, Texas, San Francisco, California, and Bilbao, Spain, in exhibited outage conditions. The outage was cleared around 3:55 a.m. EDT. Click here for an interactive view.

Updated Sept. 26

Global outages across all three categories last week decreased from 347 to 304, down12% compared to the week prior. In the US, outages decreased from 108 to 90, down 17%.

Globally, the number of ISP outages decreased from 252 to 232, down 8%, and from 76 to 65 in the US, down 14%. 

Globally, cloud-provider network outages decreased from 15 to 14, and in the US decreased from eight to six.

Globally collaboration-app network outages occurred only in the US and decreased from nine to three.

On September 23, NTT America experienced an outage affecting some customers and downstream partners across countries including the US, the Netherlands, Hong Kong, Switzerland, and Japan. The 18-minute outage was observed around 3 p.m. EDT and appeared to center on NTT nodes in New York, New York. Around 10 minutes later, nodes in Ashburn, Virginia, also began exhibiting outage conditions. The outage was cleared around 3:20 p.m. EDT. Click here for an interactive view.

On Sept. 25, TierPoint experienced an outage affecting some customers and downstream partners across the US and Canada. First observed around 1 p.m. EDT, the outage, lasting a total of 41 minutes over a 55-minute period, appeared to center on nodes located in Nashville, Tennessee. Fifteen minutes later, outage conditions appeared to exist in nodes in Raleigh and Charlotte, North Carolina, and 10 minutes later, they appeared to recover. Around 1:35 p.m. EDT, the nodes located in Nashville appeared to recover, but exhibited outage conditions five minutes later. This second occurrence lasted four minutes before appearing to clear and then once again began exhibiting outage conditions. The outage was cleared around 1:55 p.m. EDT. Click here for an interactive view.

Updated Sept. 19

Global outages across all three categories last week decreased from 414 to 347, down 16% compared to the week prior. In the US, they decreased from 133 to 108, down 19%.

Globally, ISP outages decreased from 304 to 252, down17%, and in the US increased from 73 to 76, up 4%. 

Globally, cloud-provider network outages dropped from 27 to 15, and in the US from 18 to 8.

Globally, collaboration-app network outages increased from six to nine, and in the US increased from three to nine

Two notable outages:

On September 14, Level 3 Communications experienced an outage affecting downstream partners and customers across the US. The 29-minute outage was first observed around 1:35 a.m. EDT and appeared to be centered on Level 3 nodes in Seattle, Washington. The outage was cleared around 2:05 a.m. EDT. Click here for an interactive view.

On September 15, at 11 a.m. EDT, Zoom Communications experienced an issue affecting users globally for about 24 minutes. The outage appeared to affect users' ability to start and join meetings, but network connectivity to Zoom did not appear to experience any significant issues. Around 11:22 a.m. EDT, Zoom announced it was aware of the issues and were investigating. Zoom announced the outage was fully resolved around 11:49 a.m. EDT. Click here for an interactive view.

Updated Sept. 12

Global outages across all three categories last week increased from 327 to 414, up 27% compared to the week prior. In the US, outages increased from 87 to 133, up 53%.

Globally, ISP outages increased from 260 to 304, up 17%, and in the US they increased from 64 to 73, up14%. 

Globally, cloud provider network outages jumped from four to 27, up 575%, while in the US they increased from two to 18, up 800%.

Globally, collaboration app network outages decreased from eight to six outages, down 25%, and in the US decreased from five to three.

Two notable outages:

On September 6, Hurricane Electric, experienced an outage affecting customers and downstream partners across countries including the US, Spain, Hong Kong, Canada, Malaysia, and the United Arab Emirates. The 29-minute outage, first observed at around 8:50 p.m. EDT, initially appeared centered on Hurricane Electric nodes in New York, New York. About five minutes later, the New York nodes appeared to recover, but nodes in Singapore and Marseille, France, exhibited outage conditions. Around 9 p.m. EDT, New York, Singapore, Marseille, France, nodes and those in Paris, France, all exhibited outage condition, boosting the number of partners and regions impacted. The outage was cleared at around 9:20 p.m. EDT. Click here for an interactive view.

On September 7, Microsoft experienced an issue that affected connections and services leveraging its Azure Front Door (AFD) platform. First observed around 12:20 p.m. EDT, the major portion of the outage, lasting around 50 minutes, and appeared to affect users' ability to connect and access Microsoft cloud services that use AFD. Network connectivity to AFD edge locations did not appear to experience any significant issues throughout the outage. Microsoft's preliminary analysis reported that the disruption appeared to be the result of an unusual spike in traffic, causing multiple environments managing the traffic load-balancing to go offline. Microsoft remediated the residual impact and announced the outage fully cleared at 3:55 p.m. EDT. Click here for an interactive view.

Updated Sept. 5

Global outages across all three categories last week decreased from 363 to 327, down 10% compared to the week prior. In the US, outages decreased from 91 to 87, down 4%.

Globally, ISP outages increased from 250 to 260, up 4%, and in the US from 57 to 64, up 12%. 

Globally, cloud-provider network outages dropped from 11 to four, and from six to two in the US.

Globally, collaboration-app network outages decreased from 10 to eight and from seven to five in the US.

There were two notable outages:

On Sept. 3, Cogent Communications experienced a series of outages over a period of 50 minutes that impacted multiple downstream providers in countries including the US, Spain, Portugal, the UK, Israel, India, Luxembourg, Germany, Singapore, South Africa, Austria, France, Argentina, Denmark, and Australia. The outage, lasting a total of 43 minutes, was first observed around 6:25 p.m. EDT, initially centered on Cogent nodes in New York, New York; Washington, DC; Los Angeles and San Francisco, California; and Bilbao, Spain. After this initial nine-minute outage the Cogent environment was stable for five minutes before experiencing a 34-minute outage involving Cogent nodes located in London, England; Frankfurt and Munich, Germany; and Paris and Marseille, France. After 10 minutes, all the nodes, with the exception of those in Paris, appeared to clear. The outage was cleared around 7:15 p.m. EDT. Click here for an interactive view.

On September 1, AT&T experienced an outage that impacted customers and partners across the US. The seven-minute outage was first observed around 4:55 a.m. EDT, appearing to center on AT&T nodes located in Phoenix, Arizona. Five minutes later some of the Phoenix nodes appeared to recover. The outage was cleared at around 5:05 AM EDT. Click here for an interactive view.

Updated Aug. 29

Globally, outages across all three categories increased from 299 to 363 last week, up 21% from the prior week. In the US, they increased from 82 to 91, up 11%.

Globally, ISP outages increased from 204 to 250, up 23%, and rose from 53 to 57 in the US, an 8% increase. 

Globally, cloud-provider network outages dropped from 21 to 11, and increased from five to six in the US.

Globally, collaboration-app network outages decreased from 14 to 10, and from eight to seven in the US.

Two notable outages:

On August 24, Comcast Communications experienced an outage affecting downstream partners and customers across the US. The 15-minute outage consisted of two occurrences over a two-hour period. The first occurrence was observed around 7:35 a.m. EDT and appeared to center on Comcast nodes in Houston, Texas. An hour and 50 minutes after appearing to clear, the Houston nodes again appeared to exhibit outage conditions. The outage was cleared around 9:35 a.m. EDT. Click here for an interactive view.

On August 27, Verizon Business experienced an outage affecting customers and partners across the US. The outage was first observed around 8:00 a.m. EDT and appeared centered on Verizon Business nodes in San Jose, California. The 17-minute outage was divided into three occurrences spanning an hour and five minutes and was cleared around 9:05 a.m. EDT. Click here for an interactive view.

Updated Aug. 22

Global outages across all three categories last week increased from 256 to 299, a 17% increase compared to the week prior. In the US, outages decreased from 93 to 82, down 12%.

Globally ISP outages increased from 190 to 204, up 7%, and in the US they dropped from 71 to 53, down 25%.

Globally, cloud provider network outages jumped from nine to 21, while in the US they remained the same at five.

Globally, collaboration app network outages jumped from three to 14, and from three to eight in the US.

A notable outage:

On August 17, Level 3 Communications experienced an outage that impacted multiple downstream partners and customers in countries including the US, Germany, Japan, Taiwan, the Czech Republic, and Switzerland. The outage was first observed around 11:45 p.m. EDT and appeared to be centered on Level 3 nodes in Philadelphia, Pennsylvania. The outage lasted 13 minutes and was cleared around 12:00 a.m. EDT. Click here for an interactive view.

Updated Aug. 15

Global outages across all three categories last week decreased from 260 to 256, down 2% compared to the week prior. In the US, outages decreased from 103 to 93, down 10%.

Globally, the number of ISP outages rose from 173 to 190, up 10%, while in the US they remained steady at 71. 

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

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

Two notable outages.

On August 8, Google experienced an outage that affected the availability of Search, Maps, and associated services that leverage them. First observed around 9:15 p.m. EDT, users were unable to access the service, although the application remained reachable from a network perspective. Errors seen during the incident were indicative of a back-end application issue. The disruption lasted 41 minutes over a 55-minute period. A Google spokesperson attributed the outage to a software-update issue. The outage was cleared around 10:10 p.m. EDT. Click here for an interactive view.

Related:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Page 1
Page 1 of 15