Here's the Technical Overview for DirectAccess if you ever come back on.
Technical Overview of DirectAccess in Windows 7 and Windows Server 2008 R2 Overview
Describes DirectAccess in technical detail, covering why the technology is useful to enterprises with a mobile workforce and the different architectures and technologies that DirectAccess uses to manage mobile connection, authentication, and authorization. Compares selected server and full enterprise network access architectures, describes the step-by-step connection process for mobile computers and users, and summarizes requirements. https://www.microsoft.com/downloads/...DisplayLang=en