Comment Where is the built-in redundancy (Score 1) 278
Approximately 40% of all Skype users that were online crashed, taking down around 30% of all supernodes. Clients that continued to be up and running, and clients that restarted the application had their network searches directed to the supernodes still running, leading to an overload of those. Since Skype has in place a protection when a supernode is overloaded, so it would not consume too much of a client’s system’s resources, the supernodes started to shutdown automatically one after another, leading to a generalized failure of the network.
So a failure of only 30% of supernodes brought the system down. They should have had a lot more redundancy in their network than they did. The outage was NOT due to some fluke. It was due to an inherently inadequate network.