The invention provides a system and a method for synchronizing cable modems, the method includes the stages of: (i) generating, at a media access control entity, synchronization messages; and (ii) updating the synchronization messages to provide updated synchronization messages, whereas the updating...http://www.google.de/patents/US8068516?utm_source=gb-gplus-sharePatent US8068516 - Method and system for exchanging media and data between multiple clients and a central entity
