There are many decisions to be made in the process of building or extending a SharePoint environment. You want to give your users what they want and need in an easy to use, efficient interface. This leads to design and planning involving, among other things, the appropriate hardware and server configuration to ensure that SharePoint can be an effective and well used collaboration and communication platform. The challenge, of course, is thinking through all requirements to ensure that everyone uses and embraces SharePoint. This white paper focuses on one element, WAN optimization, and why it is important to think about it today.