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A method, device, and system for implementing load balancing

A technology of load balancing and implementation method, which is applied in the field of computer networks and can solve the problems of inaccurate forwarding paths of controllers and inability to achieve load balancing well.

Active Publication Date: 2018-09-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention discloses a method, device and system for implementing load balancing, which are used to solve the inaccurate forwarding path assigned by the controller due to the fact that the obtained flow rate is not the real-time flow rate in the prior art, and thus cannot be well The problem of implementing load balancing

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  • A method, device, and system for implementing load balancing
  • A method, device, and system for implementing load balancing
  • A method, device, and system for implementing load balancing

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Embodiment Construction

[0100] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0101] The embodiment of the present invention discloses a load balancing implementation method, equipment, and system, which can enable the controller to obtain the rate range of the real-time flow rate of the output port of the switch and allocate forwarding paths according to the obtained rate range of the real-time flow rate, thereby more Good for load balancing. Each will be described in detail below.

[0102] see figure 1 , figure 1 It is a schematic ...

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Abstract

The embodiment of the present invention discloses a method, device, and system for implementing load balancing. The method includes: when there is no first flow entry for forwarding traffic received by the switch, the switch according to the second flow entry and each output The meter item of the port determines the written value corresponding to the real-time flow rate of each output port and sends the written value to the controller, so that the controller determines the real-time flow rate of each output port according to the written value, and creates a The forwarding flow entry of the traffic is forwarded, and then the switch receives the forwarding flow entry sent by the controller and uses the target output port in the forwarding flow entry to forward the traffic. Implementing the embodiment of the present invention can enable the controller to obtain the rate range of the real-time flow rate of the output port of the switch and allocate forwarding paths according to the obtained rate range of the real-time flow rate, so as to better realize load balancing.

Description

technical field [0001] The invention relates to the technical field of computer networks, in particular to a method, equipment and system for implementing load balancing. Background technique [0002] SDN (Software Defined Network, Software Defined Network) is a new type of network architecture, which includes the technology OpenFlow to achieve flexible control of network traffic by separating the control plane and forwarding plane of network devices, which makes the realization of load balancing easy. more simple. Among them, the realization principle of load balancing is that the controller on the control plane allocates different forwarding paths for different data streams based on the network traffic, and the switch on the forwarding plane processes the data streams according to the forwarding paths received from the controller, so as to realize load balancing. balanced. [0003] In the prior art, the controller allocates the forwarding path according to the flow rate ...

Claims

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Application Information

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IPC IPC(8): H04L12/70H04L29/06H04L45/74
CPCH04L45/70H04L47/125H04L45/745
Inventor 林科李泉材
Owner HUAWEI TECH CO LTD