Welcome to the first monthly Internet Disruption Report, covering May 2019. Over the course of the month, we observed Internet disruptions caused by damaged submarine and terrestrial cables, likely issues with satellite connectivity, and problems caused by weather events. In addition, there were also a number of notable disruptions observed during the month with other or unknown root causes.
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Multi-Hour Disruption at China Telecom
On May 13, Oracle Internet Intelligence posted the following Tweet:
Identifying and Visualizing Internet Disruptions
When an Internet disruption occurs, it is presumably obvious to the impacted parties as their favorite Web sites and applications immediately become unreachable, video/voice/text messaging apps fail to connect, and popular streaming media sites become unavailable. However, how can we as external observers know that this disruption has taken place, and how can we determine its scope?
Internet Disruption Report 