The next time Bill Gates sends an e-mail through Microsoft's shiny new Wireless LAN it will be passed through a behind-the-scenes Linux-based network appliance.

Earlier this year Microsoft and Aruba Networks jointly announced the two companies will work to replace Microsoft's existing Cisco wireless network with Aruba's centrally-managed infrastructure, which eliminates the need for individual changes on the access points.

What the press statement didn't mention is that Aruba mobility controllers run the Linux operating system.

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