Method and node for file transfer based on p2p

A file transmission and seed node technology, applied in the field of Internet data transmission, can solve the problems of large exchange data and traffic waste

Active Publication Date: 2013-09-04
ALIBABA (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method to reduce the shortcomings of exchanging data between peers due to excessive data exchange and waste of traffic based on the distribution status of XML identification files in p2p file transmission. Therefore, a traffic reduction method is provided. waste, a file transfer method that improves transfer efficiency, and also discloses a node based on the above file transfer method

Method used

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  • Method and node for file transfer based on p2p
  • Method and node for file transfer based on p2p
  • Method and node for file transfer based on p2p

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Embodiment Construction

[0060] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0061] In addition, the steps shown in the flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, the sequence may be different. The steps shown or described are performed in the order herein.

[0062] The specific meanings of the English abbreviations in the description...

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Abstract

The invention discloses a method and node for file transfer based on p2p. The method includes the steps that a requesting node requests node information available for a file to a login server; file basic information returned by the server and the available nodes information capable of providing downloading service are received; according to a file data fragment chunk1 and file size, second Bitmap information corresponding to a file transfer data block chunk2 is built; according to the second Bitmap information and a corresponding neighbor seed node, data transmission is carried out; first Bitmap information and the second Bitmap information are Bitmap information which is formed based on binary system bits to indicate a distribution state owned based on the chunk1 and the chunk2 in a file. The method and node for the file transfer based on the p2p has the advantages that exchange data sizes are small among peers.

Description

technical field [0001] The invention belongs to the field of Internet data transmission, and relates to a p2p-based file transmission method and node. Background technique [0002] In recent years, with the rapid development of the Internet, people's requirements for network services have been continuously improved, among which file transfer sharing\streaming media services have been widely used. The original single C / S mode has caused wide transmission pressure on CDN servers in terms of file transfer and sharing. Large, overloaded and wastes too many good resources. However, as the computing and storage capabilities of PC terminals continue to increase, and the network bandwidth continues to increase, the PC has higher performance, not only serving as a client to obtain services, but also serving as a server to provide services. This can not only reduce the download pressure of the CDN server and reduce the operating cost of the entire system, but also make full use of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06
Inventor 熊菲张士波王峰杨敬宇阙宏宇姚键潘柏宇卢述奇
Owner ALIBABA (CHINA) CO LTD
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