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Data transmission method and device in reciprocal network

A data transmission method and a peer-to-peer network technology, applied in the field of data transmission methods and devices, can solve the problems of long data transmission delay, discontinuous live pictures of clients, etc., and achieve reduced transmission delay, reduced data transmission delay, and reduced data transmission. effect of time

Active Publication Date: 2007-12-19
BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0020] The technical problem to be solved by the present invention is to provide a data transmission method and device in a peer-to-peer network to solve the problem of discontinuous live broadcast images on the client side due to long delays in data transmission in the peer-to-peer network

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  • Data transmission method and device in reciprocal network
  • Data transmission method and device in reciprocal network

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Embodiment Construction

[0048] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049]To solve the data transmission delay problem in the P2P network, the embodiment of the present invention adopts the "reserved download" technology to reduce the data transmission delay between nodes. "Reserved download" means that the node as the data receiver establishes a reservation relationship with the node as the data sender, so that before the actual transmission of each data block, all nodes waiting to receive the data block have established the data block The download relationship is reserved, and then the data block is transmitted along the reserved route from the server node to the leaf node of the data block propagation tree. Wherein, the data block propagation tree is a concept used to describe the data block tr...

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Abstract

This invention discloses a data transmission method and a device in a peer network including: in a same time period, the server junction point in the peer network transmits a same data block to all customer end junction points, in which, junction point B of the customer end sends a reserved request to junction point A containing data block information needed by junction point B to set up reserved relation between the two junction points, then A sends the data block needed by B to B, in this invention, before each data block is actually spread in living broadcast, all junction points waiting for receiving said data block have set up preengaged relation of data blocks, if the spread tree of the data block is increased by one layer, the transmission delay is very small.

Description

technical field [0001] The invention relates to data transmission technology, in particular to a data transmission method and device in a peer-to-peer network. Background technique [0002] In various current network applications, many network services need to use peer-to-peer technology (peer-to-peer, P2P for short). P2P, also known as peer-to-peer Internet technology, is a technology used for direct exchange of data or services between different PC (abbreviation of Personal Computer, that is, personal computer) users without relay equipment. In the P2P network, PC users can directly connect to other users' computers without connecting to the server for browsing and downloading. [0003] P2P technology is used to provide online real-time live streaming services on the Internet. The P2P network is composed of many P2P nodes. These nodes include online users (ie clients) and servers. The points are connected. When performing online live broadcast service, the server node e...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04L29/08
Inventor 蒋又新
Owner BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD