Synchronizing content description data between devices on an ad hoc peer-to-peer network involves storing a plurality of data entries on a directory server. Each data entry describes one or more multimedia data objects accessible via the network. A synchronization object of the directory server is associated...http://www.google.de/patents/US20060041596?utm_source=gb-gplus-sharePatent US20060041596 - Caching directory server data for controlling the disposition of multimedia data on a network
