The reliability of services delivered by ISPs, cloud providers and conferencing services (such as unified communications-as-a-service) is critical for enterprise organizations. ThousandEyes monitors how providers are handling any performance challenges and provides Network World with a weekly roundup of interesting events that impact service delivery. Read on to see the latest analysis, and stop back next week for another update. Additional details available here.
Internet report for September 11-17
ThousandEyes reported 229 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of September 11-17. That’s up 24% from 184 outage events the week prior. Specific to the U.S., outages climbed from 91 to 107, an increase of 18%. Here’s a breakdown by category:
ISP outages: Globally, the number of ISP outages increased from 141 to 157, a climb of 11%, and in the U.S. they decreased from 69 to 67, a drop of 3%.
Public cloud network outages: Globally, cloud-provider network outages climbed from seven to 13, and in the U.S., they climbed from six to 11.
Collaboration app network outages: Globally, collaboration app network outages increased from four to nine. In the U.S., there were two collaboration-app network outages, which is the same as the week prior.
Two notable outages
On September 11, Arelion (formerly known as Telia Carrier), a global Tier 1 ISP headquartered in Stockholm, Sweden, experienced an outage that impacted customers and downstream partners across the U.S. and Canada. The disruption, lasting a total of 8 minutes, was first observed around 10:50 PM EDT and appeared to center on nodes located in Newark, NJ. Five minutes after first being observed, the number of nodes exhibiting outage conditions located in Newark, NJ, appeared to decrease. This drop also appeared to coincide with a decrease in the number of downstream customers, partners, and regions impacted. The outage was cleared around 11:00 PM EDT. Click here for an interactive view.
On September 17, Comcast Communications experienced an outage that impacted a number of downstream partners and customers across the U.S. The outage, lasting a total of 9 minutes, was first observed around 7:25 AM EDT and appeared to center on Comcast nodes located in Ashburn, VA. Five minutes into the outage the number of nodes exhibiting outage conditions located in Ashburn, VA appeared to increase. This rise also appeared to coincide with an increase in the number of downstream partners and customers impacted. The outage was cleared around 7:35 AM EDT. Click here for an interactive view.
Internet report for September 4-10
ThousandEyes reported 184 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of September 4-10. That’s up 12% from 164 outage events the week prior. Specific to the U.S., outages climbed from 66 to 91, an increase of 38%. Here’s a breakdown by category:
ISP outages: Globally, the number of ISP outages increased from 113 to 141, a climb of 25%, and in the U.S. they jumped from 44 to 69, an increase of 57%.
Public cloud network outages: Globally, cloud-provider network outages dropped by half from 14 to seven, and in the U.S., they fell from 11 to six.
Collaboration app network outages: Globally, collaboration app network outages increased from two to four. In the U.S., there were two collaboration-app network outages, compared to zero the week prior.
Two notable outages
On September 9, NTT America, a global Tier 1 ISP and subsidiary of NTT Global, experienced an outage that impacted some of its customers and downstream partners across multiple regions, including, the U.S., Hong Kong, South Korea, Indonesia, Singapore, China, Taiwan, the Philippines, and Japan. The outage, lasting around 23 minutes, was observed around 2:45 AM EDT and appeared to center on NTT nodes located in Dallas, TX. Around twenty minutes into the outage, some of the nodes located in Dallas, TX, appeared to clear. The drop in nodes and exhibiting outage conditions appeared to coincide with a decrease in the number of downstream customers and partners impacted. The outage was cleared at around 3:10 AM EDT. Click here for an interactive view.
On September 6, Cogent Communications, a U.S. based multinational transit provider, experienced an outage that impacted multiple downstream providers as well as Cogent customers across multiple regions including the U.S., India, Singapore, Spain, Mexico, Hong Kong, Australia, Indonesia, the U.K., Costa Rica, Switzerland, Canada, Egypt, Malaysia, Germany, Japan, and China. The outage, lasting a total of 57 minutes, was divided into three occurrences over a one hour and fifteen-minute period. The first occurrence was observed around 4:55 PM EDT and appeared to initially be centered on Cogent nodes located in Houston, TX. Five minutes after first being observed, nodes exhibiting outage conditions expanded to include nodes located in Phoenix, AZ, and El Paso, TX. This rise of the number of nodes exhibiting outage conditions appeared to coincide with an increase in the number of impacted regions, downstream partners, and customers. Around ten minutes after appearing to clear, the second occurrence was observed. In the second occurrence the nodes located in El Paso, TX, Houston, TX and Phoenix, AZ, were joined by Cogent nodes located in Columbus, OH, in exhibiting outage conditions. Five minutes into the second occurrence, all the nodes, except for the nodes located in Phoenix, AZ, and Columbus, OH, appeared to recover. Five minutes after appearing to clear, the third occurrence was observed, initially appearing to center on nodes located in Phoenix, AZ. Around ten minutes into the third occurrence, nodes located in Phoenix, AZ, were joined by nodes located in Los Angeles, CA, and Houston, TX, in exhibiting outage conditions. Five minutes later, nodes located in Los Angeles, CA, appeared to clear. With nodes located in Phoenix, AZ, and Houston, TX, joined by nodes located in El Paso, TX, in exhibiting outage conditions. The outage was cleared around 6:10 PM EDT. Click here for an interactive view.
Internet report for August 28- September 3
ThousandEyes reported 164 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of August 28- September 3. That’s up 27% from 129 outage events the week prior. Specific to the U.S., outages increased from 63 to 66, up 5%. Here’s a breakdown by category:
ISP outages: Globally, the number of ISP outages increased from 77 to 113, a climb of 47%, and in the U.S. they spiked from 26 to 44, an increase of 69%.
Public cloud network outages: Globally, cloud-provider network outages increased from 11 to 14, and in the U.S., they increased from 10 to 11.
Collaboration app network outages: Globally, collaboration app network outages decreased from 10 to two. In the U.S., there were zero collaboration-app network outages, compared to nine the week prior.
Two notable outages
On September 2, Level 3 Communications, a U.S. based Tier 1 carrier, experienced an outage that impacted multiple downstream partners and customers in multiple countries including the U.S., South Africa, Germany, Mexico, New Zealand, Argentina, Spain, Brazil, Poland, Canada, the U.K., the Netherlands, France, Australia, Egypt, Ireland, Hong Kong, India, Turkey, Singapore, and Japan. The outage, lasting a total of 64 minutes, over a two hour and 30-minute period, was divided into a series of occurrences. First observed around 12:10 PM EDT, the outage initially appeared to center on nodes located in Raleigh, NC. Thirty-five minutes into the first occurrence, nodes exhibiting outage conditions increased to include nodes located in San Francisco, CA. This increase in nodes exhibiting outage conditions also appeared to coincide with an increase in the number of downstream customers, partners and regions impacted. This first occurrence was the longest, lasting 44 minutes. Around five minutes after appearing to clear, nodes located in Raleigh, NC, once again appeared exhibiting outage conditions. This brief second occurrence, lasting around 4 minutes, was followed ten minutes later, by another 4-minute disruption, this time appearing to center on nodes located in San Francisco, CA. Around 25 minutes after appearing to clear, the nodes located in San Francisco, CA, appeared to exhibit outage conditions again. Forty minutes after the nodes located in San Francisco, CA, appeared to clear, the last occurrence of the outage was observed, appearing to center on nodes located in Raleigh, NC. The outage appeared to clear completely around 2:40 PM EDT. Click here for an interactive view.
On August 28, Time Warner Cable, a U.S. based ISP, experienced a disruption that impacted a number of customers and partners in multiple countries including the U.S., the U.K., Brazil, the Netherlands, Germany, India, Canada, Japan, France, Ireland, Australia, and Hong Kong. The outage was first observed at around 6:50 PM EDT and appeared to center on Time Warner Cable nodes located in New York, NY. The outage lasted a total of 20 minutes, with five evenly distributed occurrences, each lasting around 4 minutes each, over a period of 45 minutes. The outage was cleared at around 7:35 PM EDT. Click here for an interactive view.
Internet report for August 21-27
ThousandEyes reported 129 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of August 21-27. That’s down 12% from 147 outage events the week prior. Specific to the U.S., outages increased from 62 to 63, up 2%. Here’s a breakdown by category:
ISP outages: Globally, the number of ISP outages decreased from 85 to 77, down 9%, and in the U.S. they decreased from 31 to 26, down 16%.
Public cloud network outages: Globally, cloud-provider network outages decreased from 13 to 11, and in the U.S., they jumped from four to 10.
Collaboration app network outages: Globally, collaboration app network outages climbed from two to 10. In the U.S., there were nine collaboration-app network outages, up from two the week prior.
Two notable outages
On August 24, Rackspace Technology, a U.S. managed cloud computing provider headquartered in San Antonio, Texas, experienced a series of outages over a period of fifteen minutes that impacted multiple downstream providers, as well as Rackspace customers within multiple regions including the U.S., France, Japan, Spain, South Africa, Vietnam, the U.K., Peru, Chile, Canada, Switzerland, Australia, the Netherlands, Singapore, Turkey, and Brazil. The outage, lasting a total of 8 minutes, was first observed around 1:00 AM EDT and appeared to center on Rackspace nodes located in Chicago, IL. Ten minutes after first being observed, an increased number of Rackspace nodes located in Chicago, IL, once again exhibited outage conditions, increasing the number of impacted customers and partners, before clearing at around 1:15 AM EDT. Click here for an interactive view.
On August 21, Arelion (formerly known as Telia Carrier), a global Tier 1 ISP headquartered in Stockholm, Sweden, experienced an outage that impacted customers and downstream partners across the U.S. The disruption, lasting a total of 8 minutes, was first observed around 6:10 AM EDT and appeared to center on nodes located in Newark, NJ. Five minutes after first being observed, the number of nodes exhibiting outage conditions located in Newark, NJ, appeared to decrease. This drop also appeared to coincide with a decrease in the number of downstream customers, partners and regions impacted. The outage was cleared around 6:20 AM EDT. Click here for an interactive view.
Internet report for August 14-20
ThousandEyes reported 147 global network outage events across ISPs, cloud service provider networks, collaboration app networks and edge networks (including DNS, content delivery networks, and security as a service) during the week of August 14-20. That’s down 14% from 171 outage events the week prior. Specific to the U.S., outages increased from 59 to 62, up 5%. Here’s a breakdown by category:
ISP outages: Globally, the number of ISP outages decreased from 105 to 85, down 19%, and in the U.S. they increased from 29 to 31, up 7%.
Public cloud network outages: Globally, cloud-provider network outages decreased from 17 to 13, and in the U.S., they dropped from 14 to four.
Collaboration app network outages: Globally, collaboration app network outages decreased from six to two. In the U.S., there were two collaboration-app network outages, up from one the week prior.