Peer discovery

Details Peer discovery Peer discovery

2004-11-12

2009-08-18

Mattis, Jason E (Department: 2416)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S254000, C370S432000

Reexamination Certificate

active

07577150

ABSTRACT:
Upon initial connection of a peer to a peer-to-peer network, the peer notifies other peers of its connection to the network. The peer receives existence notifications from other peers and may use them to create a list of the peers on the network, which may be sorted by the unique identifiers of each peer. A prospective network address is selected, e.g. based on the ordinal position of the peer within the sorted list. Conflict checking resolves conflicts between the prospective network address and the network address of other peers. Each peer may periodically notify the other peers of its network address, e.g. to prevent new peers from claiming the address. When a peer becomes inactive, another peer detecting this may begin periodically notifying the remaining peers that the address of the disconnected peer is already claimed. Peers may be Voice-over-IP telephone sets and network addresses may be directory numbers.

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JXTA v2.0 Protocols Specification, Chapter 1.1 “Peer Discovery Protocol”, 2001, Sun Microsystems Inc., The Internet Society, http://spec.jxta.org
onav/v1.0/docbook/JXTAProtocols.html#id2796266.

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