Content usage control and content use of the cluster infrastructure, content approaching authority authentication method, apparatus and recording medium

摘要

Provided is a method of controlling use of content in a cluster by a source device, the method including receiving a request from a sync device to transmit content, authenticating an authorization of the sync device to access the content, and transmitting a stream of the content to the sync device. Thus, copyrights of content used by the source device or the sync device of the home network can be efficiently protected.