Abstract: Provided are systems and methods for making a replication decision in a P2P VoD architecture. A system according to the present application may comprise a plurality of peers; a plurality of videos distributed over the peers; and a server maintaining a replication indicator for each of the plurality of videos. In the system, each of the peers reports a first piece of information regarding one or more first videos of the plurality of videos which are stored in the peer and a second piece of information regarding a second video of the plurality of videos which is required to be stored in the peer to the server when the peer does not have enough space for storing the second video. The server then determines, according to the first and second pieces of information and the replication indicators for the first and the second videos, whether the peer is to replace one of the first videos with the second video.

Abstract: There is disclosed a method for replicating media contents in a P2P VoD system comprising a plurality of peers. The method may comprise: determining that a candidate media unit shall be replicated into a local storage of one of the peers; checking whether said local storage has enough space to store the candidate media unit; if not, selecting one media unit previously stored in said local storage to be replaced; and replacing the selected media unit by the candidate media unit.

Abstract: Provided are systems and methods for making a replication decision in a P2P VoD architecture. A system according to the present application may comprise a plurality of peers; a plurality of videos distributed over the peers; and a server maintaining a replication indicator for each of the plurality of videos. In the system, each of the peers reports a first piece of information regarding one or more first videos of the plurality of videos which are stored in the peer and a second piece of information regarding a second video of the plurality of videos which is required to be stored in the peer to the server when the peer does not have enough space for storing the second video. The server then determines, according to the first and second pieces of information and the replication indicators for the first and the second videos, whether the peer is to replace one of the first videos with the second video.

Abstract: There is disclosed a method for replicating media contents in a P2P VoD system comprising a plurality of peers. The method may comprise: determining that a candidate media unit shall be replicated into a local storage of one of the peers; checking whether said local storage has enough space to store the candidate media unit; if not, selecting one media unit previously stored in said local storage to be replaced; and replacing the selected media unit by the candidate media unit.