Method and system for redirecting data requests in peer-to-peer data networks
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United States of America Patent
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Mar 24, 2009
Grant Date -
Mar 13, 2003
app pub date -
Sep 13, 2001
filing date -
Sep 13, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A methodology for operating a data sharing application in a peer-to-peer network is presented. After a first peer node receives a request for a copy of a specified file from a second peer node, the first peer node may either return a copy of the specified file or a response message containing an alternate node list associated with the specified file. The alternate node list contains a set of node identifiers indicating a set of alternate peer nodes within the peer-to-peer network that may have a copy of the specified file. The alternate node list is dynamically maintained at each peer node. The response provided by the first peer node, i.e. either a copy of the specified file or the alternate node list, can be determined based on an operational condition of the first peer node, e.g., whether or not the first peer node is experiencing an overload condition.
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