ADL-R: The First Instance of a CORDRA Registry

The Advanced Distributed Learning Registry (ADL-R) is a newly operational registration system for distributed e-learning content in the U.S. military. It is the first instance of a registry-based approach to repository federation resulting from the Content Object Repository Discovery and Registration/Resolution Architecture (CORDRA) project. This article will provide a brief overview of CORDRA and detailed information on ADL-R. A subsequent article in this month's issue of D-Lib will describe FeDCOR, which uses the same approach to federate DSpace repositories.