Provided by: Hong Kong Baptist University
Date Added: Jul 2012
In recent years, Peer-To-Peer (P2P) distributed systems such as file sharing application (e.g., BitTorrent) and multimedia streaming applications (e.g., ppLive, ppStream), have become the killer Internet applications. Erasure coding and network coding are very promising mechanisms to improve the performance of such P2P applications. However, P2P applications with coding techniques suffer from the notorious pollution explosion problem: a malicious node can send out bogus packets which will be merged into other genuine packets and propagated into the whole network at an exponential speed.