WindowsUpdate caused Skypes downtime?!?

21 08 2007

This morning, all the technology blogs are abuzz with the story that Skype’s 48 hour downtime last week was caused by a massive number of clients rebooting due to Windows Update.

On Thursday, 16th August 2007, the Skype peer-to-peer network became unstable and suffered a critical disruption. The disruption was triggered by a massive restart of our users’ computers across the globe within a very short timeframe as they re-booted after receiving a routine set of patches through Windows Update.

The high number of restarts affected Skype’s network resources. This caused a flood of log-in requests, which, combined with the lack of peer-to-peer network resources, prompted a chain reaction that had a critical impact.

I am pretty sure this is the first time that Skype has crashed in such a way, and sure this isn’t the first ‘Patch Tuesday’ from Windows Update.

Skype, I love your software, but if you have a bug that caused the downtime take it on the chin, don’t blame Windows Update then acknowledge further down your blog that it was in fact a ‘previously unseen software bug within the network resource allocation algorithm’.



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