Never one to do anything in a small way, CSFB has plans to continue their use of virtualization using rations of up to 15:1.

“With 20,000 servers to manage, financial services powerhouse Credit Suisse had a long list of reasons to consider server virtualization: reducing the number of physical servers to manage, cutting power needs, improving software provisioning time, and deferring expensive datacenter buildouts. But it also needed a clear set of guidelines to determine when to virtualize, plus a clear set of procedures for managing a virtualization initiative.”

More on Credit Suisse’s progress.