There was a time when people used to mock Microsoft because bulk of Hotmail’s backend was powered by Linux based servers.
Something similar is happening again if we are to believe the reports.
Expert: Miami has reported in a blog post that the company has stopped relying on third party supernodes. Instead, Microsoft has switched to self-hosted solutions powered by Linux based machines.
Microsoft probably was forced to take this step because of the reliability problems Skype suffered in the recent times.
Skype is growing at an impressive pace currently. The report claimed that the service is now hosting around 41 million concurrent users at peak times.