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Equivalent routing load sharing method and device

A load sharing and routing technology, applied in the field of communication, can solve problems affecting network services and inability to make full use of bandwidth resources, and achieve the effect of making full use of bandwidth resources

Active Publication Date: 2018-05-18
杭州迪普信息技术有限公司
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Problems solved by technology

[0004] However, the problems existing in the existing technology are that in practical applications, the traffic of each service flow may be different in size, and the flow-by-flow load sharing method cannot make full use of bandwidth resources, and the network may be affected because the actual traffic transmitted by the interface exceeds the threshold. business situation

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  • Equivalent routing load sharing method and device
  • Equivalent routing load sharing method and device
  • Equivalent routing load sharing method and device

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Embodiment Construction

[0052] In the prior art, if a common network forwarding device is used to implement load sharing of equal-cost routes, the mainstream method is to use a flow-by-flow load sharing method based on quintuples. Among them, the quintuple refers to five important identifiers in network transmission: source address, destination address, source port, destination port and protocol. Correspondingly, the specific load sharing methods can be divided into source address sharing, destination address sharing, source address and destination address sharing, source address, destination address, source port and destination port sharing, the core principle of the above load sharing methods Basically the same.

[0053] In the following, the implementation of equal-cost routing load sharing will be described in detail by taking sharing of source and destination addresses as an example. First, set the total value of the weight and assign weight intervals to each equivalent route according to the w...

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Abstract

The invention discloses an equivalent routing load sharing method and device. The method comprises the steps of calculating remaining bandwidth of each interface in real time; determining whether to trigger update of a weight range of an equivalent routing corresponding to each interface; if yes, updating the weight range of the equivalent routing corresponding to each interface based on the remaining bandwidth of each interface; and when a received packet hits multiple equivalent routings, sharing the traffic load based on the updated weight range of the equivalent routing. Through adoption of the method, the bandwidth resource is fully utilized.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method and device for equal-cost routing load sharing. Background technique [0002] With the development of network technology, people gradually adopt multiple egress links in the network to replace the original single egress link, which solves the problem of network service interruption caused by the failure of a single egress link, and ensures Reliability of network services. In the network, multiple lines leading to the same destination with the same cost are equal-cost routes, and equal-cost routes share the traffic leading to the same destination. However, the traffic sharing between equal-cost routes is unbalanced, which may cause some equal-cost routes to bear too much traffic and reach the bandwidth upper limit, and some equal-cost routes to bear less traffic, resulting in bandwidth waste. That is to say, the method of adopting multiple egress li...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/729H04L12/721H04L12/803H04L45/125
CPCH04L45/125H04L45/70H04L47/125
Inventor 房立明孙艳杰
Owner 杭州迪普信息技术有限公司
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