A method of optimizing the design of a Tracker in P2P applications to support DVD features, the method including determining for each peer and video operation the time T and jump point Pj, generating a hash key HKj for each peer, the hash key having a value Kj=(Pj−T)/C, where C>=1 is the granularity of the system, and grouping the peers with the same hash-key, where the system is designed to provide good viewer experience while supporting DVD features like pause, forward and backward jump operations.