RIO is an universal multimedia storage system with random allocation and block replication. Its visualization client, riommclient, has several features like VCR buttons to control the video, slide synchronization and an index to quick access to specific points of the media. These features makes RIO an useful tool for distance learning. Currently RIO is being used in a undergraduate program and as a RNP's (Rede Nacional de Ensino e Pesquisa) service.
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