http://blogs.technet.com/sanger/archive/2008/01/25/implications-of-software-services-consumption-for-enterprise-it.aspxLate last year, I wrote a paper on the challenges facing enterprise IT when they consider SaaS/S+S consumption. The full paper has now been published in The Architect Journal and is online at MSDN. I summarise my points below, go take a look at the fullen-GBCommunityServer 2.1 SP1 (Build: 61025.2)