Various embodiments utilize methods of protecting content, such as Digital Rights Management (DRM), to enable secure playback of content on machines and devices within a local network, such as a home media network. In at least some embodiments, messages and content are delivered using, respectively,...http://www.google.es/patents/US7769880?utm_source=gb-gplus-sharePatente US7769880 - Carrying protected content using a control protocol for streaming and a transport protocol
Carrying protected content using a control protocol for streaming and a ...
