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Distribution method of network flow

A technology of network traffic and distribution method, which is applied in the field of network traffic distribution, can solve problems such as not being able to meet user QoS requirements well, and achieve the effect of optimizing transmission delay

Inactive Publication Date: 2011-04-20
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0003] At present, when routing is selected based on traffic distribution, it is usually only considered to establish a routing path between the network source node and the network destination node, and there is no real-time traffic adjustment according to the change of the network status. Therefore, the route selected for the user cannot be very good. Meet the user's demand for QoS

Method used

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  • Distribution method of network flow

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Embodiment Construction

[0014] Such as figure 1 As shown, a method for distributing network traffic includes:

[0015] Step 11. Establish multiple alternative routing paths between the source node and the destination node of the network, and initially distribute the network traffic between the source node and the destination node to one or more alternative routing paths.

[0016] Step 12. According to the initial distribution of network traffic on the alternative routing path, determine the initial optimal routing path in the alternative routing path through the Hopfield neural network algorithm, and allocate the network traffic between the source node and the destination node to the initial optimal routing path. on the routing path.

[0017] Step 13. According to the network traffic initially allocated on the alternative routing path and the network traffic allocated on the initial optimal routing path, the network traffic allocated on the alternative routing path is adjusted through an FD (Flow De...

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Abstract

The embodiment of the invention relates to a distribution method of network flow. The distribution method comprises the following steps of: establishing a plurality of optional routing paths between a source node and a destination node of a network, and initially distributing the network flow between the source node and the destination node to one or more optional routing paths; according to the network flow initially distributed to the optional routing paths, determining the initial optimal routing path in the optional routing paths by a hopfield neural network algorithm, and distributing the network flow between the source node and the destination node to the initial optimal routing path; and according to the network flow initially distributed to the optional routing paths and the network flow distributed to the initial optimal routing path, adjusting the network flow distributed to the optional routing paths by an FD flow deviation algorithm until the network transmission time delay meets the predetermined requirements. In the invention, the multiple optional routings are established between the source node and the destination node, and the hopfield neural network algorithm and the FD algorithm are combined for adjusting the service load of each link in the network, thereby adjusting the flow distribution and optimizing the network transmission time delay.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a method for distributing network traffic. Background technique [0002] In a packet-switched communication network or computer network, routing selection has an extremely important impact on the performance of the network. More and more applications such as real-time audio and video services require the network to provide strict QoS (Quality of Service, service Quality) guarantee, such as guaranteeing network delay or cell loss rate or maximum transmission rate, etc. [0003] At present, when routing is selected based on traffic distribution, it is usually only considered to establish a routing path between the network source node and the network destination node, and there is no real-time traffic adjustment according to the change of the network status. Therefore, the route selected for the user cannot be very good. Meet the user's demand for QoS. Contents of the inve...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/803
Inventor 李屹毛旭陈亮李曦纪红李希金王成金
Owner BEIJING UNIV OF POSTS & TELECOMM
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