Microsoft TechNet Magazine has released another excellent architectural diagram for one of Microsoft's "back office" systems. This time Exchange 2007 is up to bat and this diagram has all the under the covers goods like Client Access, Edge, Transports and Clustering. Download this bad boy and head on over to your local large format printer (or Kinkos). Previous versions have also come enclosed in the latest issue of TechNet Magazine. As of the last issue this one hasnt shown yet, but perhaps it will...