Methods, systems, and computer program products are disclosed for classifying nodes into broadcast tiers to reduce traffic in decentralized networks. Persistent identifiers are defined for nodes, allowing nodes to be identified across sessions and invocations, even though they re-enter the network with...http://www.google.de/patents/US7143139?utm_source=gb-gplus-sharePatent US7143139 - Broadcast tiers in decentralized networks
