| 摘要 |
An information transmitting system includes a plurality of peers. A peer (1B) transmits to a peer (1A) a request to notify the peer (1B) of updating of data to obtain by meta-data of the data. Upon receipt of the meta-data transmitted in response to the request, the peer (1B) obtains the data corresponding to the meta-data. The peer (1A) generates meta-data of the data. The peer (1A) also generates update meta-data when the data is updated, and transmits the update meta-data to the peer (1B).
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