From the desk of Martin McClean, (author of the Active Directory Jigsaw, Windows Server 2008 Component Poster etc):
This new poster provides a visual reference for understanding key technologies in Windows Server 2008 R2. It focuses on Active Directory Domain Services, Hyper-V, Internet Information Services, Remote Desktop Services (including Virtual Desktop Infrastructure (VDI)), BranchCache, and DirectAccess technologies. In addition, updates to core file services and server management are illustrated.
You can use this poster in conjunction with the previously published Windows Server 2008 Component Posters.
Download and Enjoy! Its best printed on A2/A1 size :)