Method, device and system for managing P2P system set

A technology for group management and group management, applied in the P2P system group management method and its device and system, and in the field of computer networks, can solve the problem of low reliability of group management, reduce node overload, realize system load, and improve system reliability Effect

Active Publication Date: 2009-06-24
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] One of the purposes of the present invention is to provide a P2P system group management method to solve the problem of lo...

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  • Method, device and system for managing P2P system set
  • Method, device and system for managing P2P system set
  • Method, device and system for managing P2P system set

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Embodiment Construction

[0029] The embodiment of the present invention proposes a reliable P2P system group management method for heterogeneous environments. Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] see figure 1 , is a schematic structural diagram of a P2P system group in an embodiment of the present invention.

[0031] like figure 1 As shown, the nodes in the P2P system are organized into multiple node groups (such as figure 1 Indicated by 11 in ), called a cluster (cluster), each cluster includes multiple nodes (at least one node), and these nodes may be nodes with close distances on the physical network. Each cluster elects a node, and these elected nodes are organized into a DHT (Distributed HashTable, Distributed Hash Table) structure according to the DHT protocol. The DHT structure mainly assists the joining of nodes and the establishment of links between clusters, and does not participate in data transmis...

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Abstract

The invention discloses a P2P system group management method, a node device thereof and a system; the P2P system includes a plurality of node groups, node management groups of distributed hash table structure constructed by a node of each node group; when a node requires to joint the P2P system, the following step is executed that the node which requires to joint the P2P system adds a group management node in node management group to a message propagation destination node view PView of the node; the group management node informs nodes in the message propagation purpose node view APView in the node group; the nodes which receive notifications add the requiring node to PView of each own or refuse to add the node according to PView and capabilities of the nodes. The invention is adopted to reduce system cost, avoid nodes form having overload and realize system load balancing and improve system reliability.

Description

technical field [0001] The present invention relates to computer network technology in the field of communication, in particular to a P2P system group management method and its device and system. Background technique [0002] P2P (Peer-to-Peer, indicating a peer-to-peer relationship) multicast has developed rapidly in recent years and has received widespread attention in the industry. At present, the P2P multicast technology is mainly used in large-scale wide area network applications, such as real-time streaming media applications, subscription / publishing applications, and consistency maintenance applications. Group management protocols are the basis of these applications and determine their performance and efficiency. The group management method needs to meet four conditions: support node churn; have high fault tolerance; have high scalability; efficient and reasonable network resource consumption. [0003] The group management method based on the gossip propagation mech...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L29/06H04L12/18H04L12/28
Inventor 张云飞段晓东周兆民魏冰谢高岗李振宇陈曦
Owner CHINA MOBILE COMM GRP CO LTD
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