Patent ID: 8051473
Filing Date: 2011-11-01
Classification: G06F,H04L

Abstract:
1. Method for operating networks of devices (d), in particular for audio-video content protection and copy management, wherein at least a part of said networks in each case forms and is referred to as a domain (D) in particular being assigned to or belonging to one household or entity, wherein each domain (D) is logically or physically formed by one or by a plurality of sub-networks (n) of devices (d), wherein each device (d) is assigned to at least one authorized domain (AD) of said domains (D) by: assigning or storing in each case at least one type of authorized domain identifier (ADI) to/by said respective device (d), wherein each type of authorized domain identifier (ADI) is descriptive or characteristic for said authorized domain (AD) and its type as well as for a membership of said respective device (d) to said respective domain (D), in a first device (d in the first device (d an access to, a provision of, or a transmission of data with respect to audio/video content by each device (d) is in each case ruled only on the basis of the respective assigned or stored authorized domain identifiers (ADI).