Presence detection using distributed indexes in peer-to-peer networks
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United States of America Patent
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Jun 19, 2012
Grant Date -
Apr 1, 2004
app pub date -
Sep 26, 2002
filing date -
Sep 26, 2002
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Abstract
Embodiments of a distributed index mechanism for indexing and searching for presence information in peer-to-peer networks. In one embodiment, a distributed index may be used to store presence information in a decentralized manner on a plurality of peer nodes. In one embodiment, a notification service may be implemented on top of the distributed index to notify peers of other peers joining a peer-to-peer session. Participating peers may query the distributed index to detect the presence of other participating peers registered in the distributed index. One embodiment of a distributed index of presence information may be implemented in peer-to-peer networks implemented according to a peer-to-peer platform including one or more peer-to-peer platform protocols for enabling peer nodes to discover each other, communicate with each other, and cooperate with each other to form peer groups and share network resources.
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