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Method and apparatus for establishing flow path

A flow path and re-establishment technology, applied in the field of network communication, can solve problems such as heavy burden on gateway equipment and interruption of network communication, and achieve the effect of improving transmission performance

Active Publication Date: 2016-07-20
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Since the forwarding path controlled by the SDN controller only supports Layer 2 forwarding, when the user host accesses across LANs, the business traffic needs to be forwarded by the gateway device uniformly, resulting in a heavy burden on the gateway device, and once the gateway device fails, the network communication will be interrupted

Method used

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  • Method and apparatus for establishing flow path
  • Method and apparatus for establishing flow path
  • Method and apparatus for establishing flow path

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Embodiment Construction

[0030] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0031] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides a method and apparatus for establishing flow paths. The method includes the steps of obtaining the information of three layer interfaces which match with one another in type and belong to a same network segment, determining whether links reach the physical ports corresponding to the three layer interfaces contained in the information, and if yes, establishing three-layer flow paths according to the information of three layer interfaces. A controller controlling three-layer business in an SDN network is realized, and network transmission performance is improved.

Description

technical field [0001] The present application relates to the technical field of network communication, and in particular to a method and device for establishing a flow path. Background technique [0002] SDN (Software Defined Networks, software-defined network) is a new type of network innovation architecture. Its core idea is to separate the control plane and data plane to achieve flexible control of network traffic. Among them, the SDN controller is responsible for calculating the forwarding path and issuing the flow table, and the switching device performs service forwarding according to the issued flow table. [0003] Since the forwarding path controlled by the SDN controller only supports Layer 2 forwarding, when the user host accesses across LANs, the business traffic must be forwarded by the gateway device uniformly, resulting in a heavy burden on the gateway device, and once the gateway device fails, the network communication will be interrupted. Contents of the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/715H04L12/931H04L12/937
CPCH04L45/04H04L49/253H04L49/351H04L49/354
Inventor 宋小恒
Owner NEW H3C TECH CO LTD