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Multi-link binding different bandwidth load balancing method and device

A load balancing and multi-link technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve the problems of high algorithm complexity of weighting coefficients, large system resources, and large impact on message forwarding performance. Achieve the effect of simple algorithm and high forwarding performance

Active Publication Date: 2016-08-24
MAIPU COMM TECH CO LTD
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AI Technical Summary

Problems solved by technology

This method can solve the load of interfaces with different bandwidths, but the algorithm complexity of the weighting coefficient is relatively high, occupying more system resources, and greatly affecting the packet forwarding performance
[0005] Multiple PPP interfaces are bound together, and the bandwidth of each bound interface often cannot be consistent. In order to maximize the use of its bandwidth resources, there are high requirements for the load balancing algorithm. If the algorithm does not adapt to the bandwidth of the interface, then The MPPP interface cannot serve the purpose of increasing bandwidth

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  • Multi-link binding different bandwidth load balancing method and device
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  • Multi-link binding different bandwidth load balancing method and device

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Embodiment Construction

[0037] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] The multi-link binding different bandwidth load balancing method of the present invention, the process is as follows figure 2 shown, including steps:

[0039] S201. Initialize interface parameters.

[0040] In this step, record the interface bandwidth and clear the interface traffic.

[0041] S202. Calculate the bandwidth coefficient μ of each interface.

[0042] The specific calculation method is to calculate the maximum bandwidth bw_max of all bound interfaces according to the bandwidth bw of each interface, and calculate the maximum bandwidth bw_max of each interface based on its own interface bandwidth bw and the bound maximum bandwidth bw_max of this MPPP interface Bandwidth coefficient μ, the calculation formula is as follows:

[0043] μ=bw_max / bw

[0044] S203. Input a message.

[0045] S204. Se...

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Abstract

The invention relates to multi-link load balancing technology of wide area network in the field of data communication. The invention discloses a load balancing method for multi-link binding with different bandwidths. The main steps include: a. Initializing interface parameters; b. Calculating the bandwidth coefficient μ of each interface; c. Inputting messages; d. Selecting the minimum sending flow The interface is used as the sending interface; e, send the message; f, calculate the interface traffic txBytes according to the message size and the bandwidth coefficient μ after the sending is successful, and accumulate them. The present invention calculates the interface flow according to the bandwidth coefficient, so that the distribution of the flow is adapted to the interface bandwidth, that is, it can adapt to the technical solution of the same bandwidth and can adapt to the interface binding of different bandwidths, and can make full use of the bandwidth resources of each bound interface. The present invention The load balancing algorithm is simple and the forwarding performance is high. The invention is especially suitable for flow distribution of MPPP binding interface.

Description

technical field [0001] The invention relates to a multi-link load balancing technology of a wide area network in the field of data communication, in particular to a load balancing method and device for multi-link binding with different bandwidths. Background technique [0002] At present, the bandwidth of a single PPP (Point to Point Protocol) interface is not enough to meet actual needs, and MPPP (Multilink Point to Point Protocol) was created to solve this problem. Its main principle is to bind multiple PPP interfaces to one MPPP interface, thereby increasing the bandwidth of the interface. The main process of sending packets on the MPPP interface is as follows: figure 1 As shown, after the packet reaches the sending end, the packet is sent through the interface with the smallest sending traffic. After the packet is successfully sent, the sending traffic of the interface is counted, and then returns to start receiving the next packet. To fully utilize the bandwidth of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/803
Inventor 马季汤宇浩胥攀
Owner MAIPU COMM TECH CO LTD
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