| 摘要 |
A method for transmitting buffer maps adapted in a peer-to-peer network comprising a plurality of peer nodes, and one or several super nodes are selected from the peer nodes, wherein when the buffer maps are transmitted in the peer-to-peer network, the super nodes are connected to each other, and each of the peer nodes is connected to one of the super nodes. First, each of the peer nodes transmits its buffer map to the super node connected thereto. Then, the super nodes exchanges the received buffer maps to each other, so as to synchronously update information of the buffer maps, and each of the super nodes updates a buffer map table recorded therein according to the exchanged buffer maps. Finally, each of the super nodes transmits the buffer map by the peer node connected thereto to the peer node.
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