Peer-to-peer overlay network, method for storing service contents and method for downloading same

A peer-to-peer overlay network and service content technology, applied in the overlay network, service content storage method, and service content download field, can solve the problems of high maintenance costs and low reliability of service content, reduce maintenance costs, and ensure persistent storage Effect

Inactive Publication Date: 2011-05-18
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Aiming at the problems of low reliability and high maintenance cost of business content storage caused by the fact that the business content is only stored by the content source node in the prior art, the present invention is proposed. Therefore, the main purpose of the present invention is to provide a Equal overlay network, and corresponding service content storage method and service content downloading method, to solve at least one of the above-mentioned problems

Method used

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  • Peer-to-peer overlay network, method for storing service contents and method for downloading same
  • Peer-to-peer overlay network, method for storing service contents and method for downloading same
  • Peer-to-peer overlay network, method for storing service contents and method for downloading same

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Embodiment 1

[0072] In this embodiment, the positioning / storage nodes use the RELOAD protocol to form a peer-to-peer overlay network, and the content source nodes use the RELOAD protocol to access the peer-to-peer overlay network.

[0073] Figure 6 It is a flow chart according to Embodiment 1 of the present invention, such as Figure 6 As shown, the process includes the following steps (step 601-step 605):

[0074] Step 601, the content source node uses the RELOAD Store method to save the service content to the peer-to-peer overlay network;

[0075] Step 602, the service content is saved to the location storage node responsible for storing the service content in the RELOAD peer-to-peer overlay network. In order to prevent data loss caused by server failure, the business content is generally saved in multiple copies, which are stored on multiple positioning storage nodes;

[0076] Step 603, the peer-to-peer overlay network returns a successful response to the content source node;

[00...

Embodiment 2

[0091] In this embodiment, the RELOAD protocol is used as an example for illustration, and before the download node downloads, the nodes that own the content and are willing to share the content have already stored their own positions in the peer-to-peer overlay network using the Store method of RELOAD. It includes at least location storage nodes in the peer-to-peer overlay network, and may also include content source nodes and download nodes that have downloaded content. Figure 8 It is a flow chart according to Embodiment 2 of the present invention, such as Figure 8 As shown, the specific process includes the following steps (step 801-step 804):

[0092] Step 801, the download node queries the storage location of the required service content from the access location storage node;

[0093] The storage location of the required business content includes: the location of the positioning / storage node that stores the business content in the overlay network, the location of the s...

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Abstract

The invention discloses a peer-to-peer overlay network, a method for storing service contents and a method for downloading the same. The peer-to-peer overlay network comprises a plurality of positioning storage nodes, wherein for a service content provided by a content source node, the peer-to-peer overlay network is used for storing the service content in at least one of the positioning storage nodes, and the peer-to-peer overlay network is also used for storing the position information of the service content in the at least one of the positioning storage nodes of the peer-to-peer overlay network. By the peer-to-peer overlay network, the service content can be stored in the peer-to-peer overlay network permanently, and the maintenance cost of storing the service content can be reduced.

Description

technical field [0001] The invention relates to the field of communication and computer network, in particular to a peer-to-peer overlay network, a service content storage method and a service content downloading method. Background technique [0002] At present, a peer-to-peer computing technology (Peer To Peer, referred to as P2P) is mainly applied in a P2P-based content distribution system (Content Delivery Network, referred to as CDN). The P2P content distribution system mainly includes three types of nodes: content source nodes, location nodes and download nodes. In the P2P content distribution system, the download node downloads the service content provided by the content source node, and the download node that has the service content and is willing to upload the service content can also upload the content to other nodes. [0003] In order to improve reliability and scalability and reduce maintenance costs, currently, in the P2P content distribution system, the RELOAD ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/58
CPCH04L67/104H04L29/08306
Inventor 李漓春汪军
Owner ZTE CORP
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