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Method and device for processing routing, and method and device for data transmission

A routing and path technology, applied in the field of communication, can solve problems such as excessive resources and occupation

Active Publication Date: 2020-08-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure that each path can quickly detect faults, BFD must be deployed on the PE devices that establish paths with each other. Therefore, the number of BFD deployed on each PE device can reach the number of paths established between it and other PE devices, resulting in Each PE device needs to deploy more BFD, occupying too many resources

Method used

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  • Method and device for processing routing, and method and device for data transmission
  • Method and device for processing routing, and method and device for data transmission
  • Method and device for processing routing, and method and device for data transmission

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Embodiment Construction

[0091] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0092] The SRv6-based VPN technology involved in this application can refer to the Internet Engineering Task Force (English: Internet Engineering Task Force, abbreviation: IETF) draft "BGP Signaling of Ipv6-Segment-Routing-based VPN networks draft-dawra-idr-srv6- vpn-02.txt", the content of this draft is incorporated by reference in its entirety and incorporated into the application.

[0093] Unless otherwise specified, ordinal numerals such as "first", "second", "third", "fourth", "fifth" and "sixth" mentioned in the embodiments of the present application are used to refer to multiple objects Distinguished, not used to limit the order of multiple objects.

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Abstract

A method and device for processing routing, and a method and device for data transmission are disclosed. This method of processing routing is used in a network carrying SRv6-based VPN services, where the first CE device and the second CE device belong to the same VPN, and the outgoing PE devices include the first PE device and the second PE device, the method includes: The first PE device receives the VPN route including the second SRv6VPN SID and the third SRv6VPN SID sent by the second PE device; determines that the second SRv6VPN SID is the same as the first SRv6VPN SID; establishes a second path according to the third SRv6VPN SID, and the second The path is used by the first PE device to forward packets to the second CE device when the first path directly connecting the first PE device and the second CE device fails. This can effectively reduce the number of BFD configured on each PE.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a method and device for processing routing, and a method and device for data transmission. Background technique [0002] At present, in a virtual private network (Virtual Private Network, VPN), a customer edge (Customer Edge, CE) device is connected to a provider edge (Provider Edge, PE) device through multi-homing, which is a common networking form. In this scenario, a CE device is connected to multiple PEs at the same time, and there are multiple paths for other CE devices to reach this CE device. During data transmission, when the source CE device sends a message to the destination CE device, the source CE device sends a message to the PE device connected to the destination CE device, and the PE device connected to the source CE device can reach the destination CE device. Among the multiple paths of the device, determine a path for transmitting packets, and tran...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/709H04L12/46H04L12/741H04L45/02H04L45/243H04L45/24H04L45/28H04L45/50H04L45/74
CPCH04L45/22H04L12/4641H04L45/74H04L45/03H04L45/28H04L45/50H04L45/34H04L12/4625H04L12/4633H04L12/4675H04L45/02H04L45/04H04L63/0272
Inventor 王海波
Owner HUAWEI TECH CO LTD