http://blogs.msdn.com/usisvde/archive/2008/06/15/distributed-caching-architecture-codename-velocity.aspxMicrosoft project code named "Velocity" provides a highly scalable in-memory application cache for all kinds of data. By using cache, your application performance can improve significantly by avoiding unnecessary calls to the data source. Byen-USCommunityServer 2.1 SP1 (Build: 61025.2)