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Greg Leake has been at it again. He has emerged from his lab with the latest results of benchmark testing of Windows Server AppFabric Caching vs. IBM eXtreme Scale and the results are something you definitely want to see.
Microsoft® Windows® Server AppFabric vs. IBM® WebSphere® eXtreme Scale 7.1 Benchmark Report
Ron Jacobsblog http://blogs.msdn.com/rjacobstwitter @ronljacobs