Dynamic addressing in transient networks

A network address and network technology, applied in the field of computer networks, can solve the problems of unmanageable P2P systems, not very suitable for large-capacity commerce, and not very suitable for secure transactions, etc.
CN100539602CInactive Publication Date: 2009-09-09INT BUSINESS MASCH CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INT BUSINESS MASCH CORP
Publication Date
2009-09-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

Methods, systems, and computer program products are disclosed for, in one aspect, persisting identifiers and relationships in a transient peer-to-peer networking environment where communities have ad hoc participants. Persistent identifiers are defined for nodes, allowing nodes to be identified across sessions and invocations, even though they re-enter the network with a different network address. Paths taken by content resources as they traverse the network (e.g. which nodes forwarded the content) are persisted, along with reputation information about nodes (e.g. indicating how successful they are at answering queries from peers). Trust relationships can be derived using the persisted information. A tiered broadcast strategy is defined for reducing the number of messages exchanged. Other aspects are also disclosed.
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Description

technical field

[0001] The present invention relates to computer networks, and more particularly to methods, systems and computer program products for use in transient networking environments. Background technique

[0002] In a peer-to-peer (or P2P) network, each communicating node has a networking program that allows the node to initiate communication with another node that has the program. Because the network is decentralized, where each node has the same status (for P2P exchange purposes), these nodes are considered "peer nodes". P2P networks promise to be more efficient networks where resources such as central processing unit (CPU) cycles, memory, and storage devices are not wasted. These networks are ad hoc because nodes can join and leave the network at will. Thus, P2P networks can be defined as "transient" networks.

[0003] Existing P2P programs provide facilities for dynamically querying and discovering peer nodes. However, the prior art has several disadvantage...

Claims

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