| 摘要 |
PROBLEM TO BE SOLVED: To obtain a peer searching method capable of reducing the fluctuation of processing time, and capable of rapidly performing the processing. SOLUTION: The peer searching method allows the peers constituting a peer-to-peer network with a distributed hash table system adopted thereto to find a transmission destination or a transfer destination of a content request among transfer destination peer information. The method includes: a step (S107) of generating a search tree with a branch condition defined therein through the use of the hash values of the peers included in the transfer destination peer information, and determining whether or not the hash value of the key of the content satisfies the branch condition in order from the upper stage of the search tree; and a step (S108) of adopting the peer corresponding to the branch condition, which is determined to satisfy the branch condition and in the lowest stage, as a search result. COPYRIGHT: (C)2009,JPO&INPIT
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