Now you're ready to get up and running with a Lync deployment. If you've deployed OCS, you'll see that Lync deployment is dramatically different but simpler. In Chapter 5, “Planning Your Deployment,” you learned that the key difference is in the planning of the topology and how this information is used in deployment.
Lync utilizes a Central Management Store (CMS), which holds information about all the roles and settings in the deployment. This replaces the various data stores that were used in OCS. The benefit of this Central Management Store is that once the topology is defined and published, every installation simply pulls from the defined configuration. This minimizes administrator input and allows automated deployment. ...