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Global Internet topology knowledge-based P2P application construction method

A construction method and a global technology, applied in the direction of electrical components, transmission systems, data exchange through path configuration, etc., can solve the problems of reducing P2P traffic in the management domain, without considering network management characteristics, etc., to achieve the effect of reducing P2P traffic

Inactive Publication Date: 2007-05-23
ALIBABA (CHINA) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing P2P network construction method that considers the underlying physical topology only considers the local topology knowledge of nodes, and uses TTL detection to determine the similarity between two nodes based on the number of router hops. However, this method does not consider the management characteristics of the network. That is, P2P traffic should be limited to the smallest management domain as possible, and P2P traffic between management domains should be minimized

Method used

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  • Global Internet topology knowledge-based P2P application construction method
  • Global Internet topology knowledge-based P2P application construction method
  • Global Internet topology knowledge-based P2P application construction method

Examples

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Embodiment Construction

[0038] Figure 1 is an example where the topology of the P2P overlay network does not match the topology of the underlying physical network. The underlying plane is the topology of the physical layer, and the upper plane is the topology of the overlay network. The three ellipses represent three different management domains, and A-J represent terminal machines , the solid line represents the actual connection, resource r exists in nodes B, E, H. The system adopts the Flood search strategy and limits its TTL to 3. The arrow indicates the query message path of searching resource r starting from F. As a result, B and H will respond to the query request, while E in the same domain cannot receive the query request because the construction method of the P2P overlay network does not conform to the underlying topology.

[0039] Figure 2 shows different application layer multicast tree construction methods for the same vertex set, where A-F are terminal machines, and three ellipses repre...

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Abstract

The invention relates to a method for building P2P application based on globe internet protocol information, wherein in the process of node access, network dynamic maintenance and download point decision, the method considers following protocol information: IP longest address prefix match, the relation between IP address and AS number, and the globe AS protocol connecting diagram. And the method comprises that: S2, when new node accesses into network, bootstrap server based IP longest address prefix match, the relation between IP address and AS number, and the globe AS protocol connecting diagram selects neighbor for said node; S2, when the node is in the network, and there is neighbor out of network, node uses said information to dynamically select replace neighbor; S3, using aforementioned protocol information, in all inquire response messages, selecting nearby request document download point, to reduce the download flux of span-region.

Description

technical field [0001] The invention relates to the technical field of border gateway protocol (BGP) table and Internet autonomous system level topology, in particular to a P2P application construction method based on global Internet topology knowledge. Background technique [0002] Peer-to-Peer (P2P peer-to-peer) technology has been widely used in various network applications, such as grid computing, file sharing and real-time media stream distribution. The enhancement of terminal capabilities and the increase of network bandwidth enable P2P technology to make full use of the computing, storage and transmission capabilities of network terminals. [0003] The P2P network is an overlay network built on the application layer, and each node in the pure P2P network is a peer-to-peer relationship. Traditional P2P applications do not consider the topology of the underlying physical network, which may cause a mismatch between the overlay network and the underlying physical network...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/06
Inventor 张国强张国清
Owner ALIBABA (CHINA) CO LTD
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