Heterogeneous wireless peer-to-peer (P2P) network file sharing system and file transmission acceleration method

A P2P network and file sharing technology, applied in transmission systems, electrical components, etc., can solve the problems of increasing the sharing rate, increasing the burden of data transmission on the mobile core network, and increasing the burden on the Tracker server.

Inactive Publication Date: 2012-07-18
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

Among them, it is very critical for the Tracker server to select an effective peer node set, especially in the mobile Internet under the mobile terminal access status dynamic join and exit, in order to maintain the status information of dynamic nodes, it will increase the burden on the Tracker server; The network topology is grouped by logical location, and the nodes in the group are preferentially selected. However, since the node netwo

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  • Heterogeneous wireless peer-to-peer (P2P) network file sharing system and file transmission acceleration method
  • Heterogeneous wireless peer-to-peer (P2P) network file sharing system and file transmission acceleration method
  • Heterogeneous wireless peer-to-peer (P2P) network file sharing system and file transmission acceleration method

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Embodiment Construction

[0047] figure 1 The improved centralized mobile P2P network architecture diagram of the present invention is described. The heterogeneous network types described in the figure include WLAN, 3G / LTE, and Ad hoc networks, which can fully represent the current popular wireless network access forms. The centralized P2P network architecture also has the characteristics of distributed P2P, and the nodes in the fully distributed P2P network are connected to the centralized architecture through mobile proxy nodes. The network includes Tracker server nodes, mobile proxy nodes and general mobile nodes, and the general mobile nodes connected to the mobile proxy nodes together form a network cluster.

[0048] Among them, the Tracker server node provides neighbor node index and selection information, routing information, P2P node discovery, network topology statistics and multicast group management functions for general mobile nodes in the centralized P2P network.

[0049] As the network ...

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Abstract

The invention discloses a heterogeneous wireless peer-to-peer (P2P) network file sharing system and a file transmission acceleration method. In a heterogeneous wireless fusion network access environment, factors such as an access network type, a terminal node downloading rate, an inter-node network distance and round-trip time are comprehensively combined for the characteristics of a fusion network, and a seed node is selected by utilizing an optimization theory in engineering to provide an acceleration method for a file sharing service of a terminal on the basis of an extended P2P-Bittorrent protocol. A proper seed node is selected, and a network service with high data traffic and a heavy load is transferred into an idle network, so that the load balance of the whole network structure is realized, and the resource efficiency of a plurality of heterogeneous fusion networks is optimized.

Description

technical field [0001] The present invention relates to a multi-mode wireless terminal file sharing system and an accelerated file transmission method under the coverage environment of multiple heterogeneous fusion networks, especially relates to a P2P-Bittorrent protocol, which is applicable to WLAN, 3G / LTE, Ad hoc networks and future various A novel wireless access network file sharing system and an accelerated file transfer method. Background technique [0002] In recent years, wireless mobile access technology has developed rapidly. Wireless local area network (WLAN) represented by 802.11 series, 3G / HSPA / LTE represented by CDMA2000, WCDMA and TD-SCDMA have been applied on a large scale, and self-organizing network Ad hoc With the continuous research and development of technology, the future mobile Internet will be an open heterogeneous wireless network system with multiple access networks coexisting. [0003] The main business based on the mobile Internet has shifted fr...

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Application Information

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IPC IPC(8): H04L29/08H04L29/06
Inventor 莫益军徐行樊晓原熊家继
Owner HUAZHONG UNIV OF SCI & TECH
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