A label deployment method and device based on segment routing

A label and routing technology, applied in the field of label deployment method and device based on segment routing, can solve the problems of complex label management, influence of packet transmission process, label configuration error, etc., to simplify label management, avoid label configuration errors, and simplify The effect of the whole network deployment

Active Publication Date: 2021-01-26
NEW H3C TECH CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

By analogy, for each message with a different destination IP address, it is necessary to reassign labels for each device, and label management is very complicated.
Moreover, if a label 1002 is assigned to device E for a packet whose destination IP address is IP2, since it is the same as the label assigned to device D above, it will cause a label configuration error, which will affect the packet transmission process, resulting in packet transmission fail

Method used

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  • A label deployment method and device based on segment routing
  • A label deployment method and device based on segment routing
  • A label deployment method and device based on segment routing

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Embodiment Construction

[0032] The terminology used in this application is for the purpose of describing specific embodiments only, not to limit the application. As used in this application and the 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 "and / or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

[0033] It should be understood that although the terms first, second, third, etc. may be used in this application to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the present application, first information may also be called second information, and similarly, second information may also be called first information. Dependin...

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Abstract

The present application provides a label deployment method and device based on segment routing. The method includes: for each interface of a network device, determining the reference label of the peer device connected to the interface; The relationship is sent to the network device, the first mapping relationship includes the corresponding relationship between the interface and the reference label, and the second mapping relationship includes the IP address of other network devices except the network device and the The corresponding relationship between the label indexes of other network devices; the network device uses the first mapping relationship and the second mapping relationship to generate a label forwarding table, and uses the label forwarding table to transmit messages. Through the technical solution of the present application, it is possible to simplify the whole network deployment of SR, simplify label management, and avoid label configuration errors.

Description

technical field [0001] The present application relates to the technical field of communications, in particular to a segment routing-based label deployment method and device. Background technique [0002] Since SR (Segment Routing, segment routing) has the advantages of simple control and short convergence time, the SR technology can be used to implement packet transmission. Such as figure 1 As shown in the figure, it is a schematic diagram of the SR network. Assuming that the forwarding path of the message is device A-->device B-->device C-->device D-->device E, configure a forwarding entry on device A, and its matching option is the destination IP address of the message , the action option is to encapsulate the label 1003 of device E, the label 1002 of device D, the label 1001 of device C, and the label 1000 of device B in sequence, and use the outbound port A1 to send the message. Configure a forwarding entry on device B. The match option is the label 1000 of d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L12/741H04L45/50H04L45/74
CPCH04L45/50H04L45/74
Inventor 林长望
Owner NEW H3C TECH CO LTD
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