Data transmission method under P2P environment

Patent

Data transmission method under P2P environment

- 11 Jul 2012

6

TL;DR: In this paper, a data transmission method under a P2P environment, data to be transmitted are partitioned to obtain a plurality of groups of subdata flows; a pushing data sheet is maintained on a user node registered by a user and an adjacent node of the user node, wherein the pushingdata sheet is used for recording the information of the subdata flow which is to be pushed and received by the node; the adjacent node pushes different groups of subsets to the user nodes according to a random order.

Abstract: The invention provides a data transmission method under a P2P environment, data to be transmitted are partitioned to obtain a plurality of groups of subdata flows; a pushing data sheet is maintained on a user node registered by a user and an adjacent node of the user node, wherein the pushing data sheet is used for recording the information of the subdata flow which is to be pushed and received by the node; the adjacent node pushes different groups of subdata flows to the user node according to a random order, and the user node combines the information in the pushing data sheet to distribute the subdata flows needed to be pushed by the adjacent node to the adjacent node after receiving the subdata flows; and the user node receives and stores the data pushed by the adjacent node. A pushingstrategy is combined with a pulling strategy, and therefore, the condition that data are lost fragment by fragment can be reduced as much as possible. The invention realizes the distribution of the subdata flows through a competitive mechanism and can reduce the transmission of redundant data packets and improve the performance of the whole system.

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Citations

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Jian Ji

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TL;DR: In this article, a file distribution system and a fragmentation method based on P2P (peer-to-peer) are presented, where the size of the transmission level fragmentation is dynamically adjusted according to the network resource condition between a local node and a service node, so that the transmission property can be ensured to be suitable for the changes of network bandwidth, and further, the data transmission efficiency can be improved.

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- 16 May 2012

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Shao Changsong, +6 more

- 10 Apr 2013

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Xiong Lu, +4 more

- 19 Nov 2019

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