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Changes between Version 2 and Version 3 of FeddGettingStarted

-                      v2
+                      v3
 Fedd really is two entities, an '''Access Controler''' that mediates access to federated resources and provides standard interfaces for allocating them, and an '''Experiment Controller''' that acts as a credential store and coordinates requests across multiple access controllers.  The [FeddAbout discussion of the Deter Federation Architecture] has more to say about these entities, but this is enough to get started. DETERLab runs an experiment controller that can be reached at [https://users.isi.deterlab.net:23235] and new federation users can use that experiment controller, but when setting up and administering a federated testbed it can be very helpful to install and configure an experiment controller locally.
+Here is a block diagram of a user making a request for a federated experiment.  We will show how to configure the credentials that users and the experiment controller pass to access controllers, how to configure the policies at the access controlers to allow access and map federated users into local users.  We will also configure the experiment controller to find the access controlers and the access controllers to allocate resources (start DETER experiments) on behalf of local users.
+[[Image(fed.png)]]