January 11, 2013 2:27AM
Today's System-Wide Upgrade
Today from 21:00 - 23:00 UTC CloudFlare scheduled a maintenance window. During that time, CloudFlare's interface was offline. While it was only two hours of time (and we finished a bit early, at 22:16 UTC) what went on during that window had been in the works for several months....
December 01, 2012 3:35PM
Syrian Internet access reestablished starting 1432 UTC
Syria has reestablished partial connectivity to the Internet. The following map of BGP connectivity shows Syria's 29386 network connected to multiple networks outside Syria....
November 29, 2012 8:13PM
How Syria Turned Off the Internet
Today, 29 November 2012, between 1026 and 1028 (UTC), all traffic from Syria to the rest of the Internet stopped. At CloudFlare, we witnessed the drop off. We've spent the morning studying the situation to understand what happened....
November 06, 2012 9:09AM
Why Google Went Offline Today and a Bit about How the Internet Works
Today, Google's services experienced a limited outage for about 27 minutes over some portions of the Internet. The reason this happened dives into the deep, dark corners of networking....
September 16, 2012 6:40PM
Post Mortem: What Yesterday's Network Outage Looked Like
Yesterday, around 16:36 GMT, we had an interruption to our network services. The interruption was caused by a combination of factors. First, we had an upstream bandwidth provider with some network issues that primarily affected our European data centers....
June 12, 2012 11:38PM
Mobile Web Performance: Optimizing TCP Congestion Control Algorithms
Transmission Control Protocol (TCP) is one of the primary protocols of the Internet. When you request a web page, the server responds with the data that makes up that page. The data is subdivided into discrete packets of data as they are sent across the Internet....