http://blogs.technet.com/fabricem_blogs/archive/2008/09/16/des-guides-indispensables-infrastructure-planning-and-design.aspxThe Infrastructure Planning and Design (IPD) series provides guidance for Microsoft infrastructure products, including Windows Server 2008 and SoftGrid. The series is a collection of documents that will lead the reader through a sequence of core decisionfrCommunityServer 2.1 SP1 (Build: 61025.2)