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A method and device for equal-cost routing load sharing

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: 2020-10-02
杭州迪普信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • A method and device for equal-cost routing load sharing
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  • A method and device for equal-cost routing load sharing

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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 quintuple. 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 method 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 method Basically the same.

[0053] The implementation of load balancing of equal-cost routes is described in detail below by taking the co-sharing of source addresses and destination addresses as an example. First, set the total weight and assign each equal-cost route to a weight interval according to the weight. Secondly, extra...

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Abstract

The present application discloses a method and device for equal-cost routing load sharing, wherein the method includes: calculating the remaining bandwidth of each interface in real time; determining whether to trigger an update of the weight range of the equivalent routing corresponding to each interface; if so, based on The remaining bandwidth of each interface updates the weight interval of the equivalent route corresponding to each interface; and, when the received message hits multiple equal-cost routes, based on the updated weight interval of the equivalent route. Traffic load sharing. This application can realize the effect of making full use of bandwidth resources.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a method and device for load sharing of equal-cost routes. Background technique [0002] With the development of network technology, people gradually use multiple egress links to replace the original single egress link in the network, which solves the problem of network service interruption caused by the failure of a single egress link, and guarantees to a certain extent reliability of network services. In a network, multiple lines that lead to the same destination and have the same cost are equal-cost routes, and equal-cost routes share traffic to the same destination. However, the traffic shared among the equal-cost routes is not balanced, which may cause some equal-cost routes to carry too much traffic and reach the upper bandwidth limit, and some equal-cost routes to carry less traffic, which wastes bandwidth. That is to say, the method of adopting m...

Claims

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Application Information

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Patent Type & Authority Patents(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