Verfahren zur erzeugung einer segmentidentifizierungsliste und paketweiterleitung in srv6-netzwerk, vorrichtung und system

AT1932162TUndetermined Publication Date: 2026-07-15HUAWEI TECH CO LTD
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Patent Information

Application Number
AT2020802688T
Authority / Receiving Office
AT · AT
Patent Type
Patents
Current Assignee / Owner
Priority Date
2019-05-09
Filing Date
2020-04-29
Publication Date
2026-07-15
Estimated Expiration
2040-04-29

AI Technical Summary

Technical Problem

The lengthy segment list in SRv6 networks reduces network transmission efficiency and processing efficiency due to increased packet size and complexity, making it difficult to process the segment routing header effectively.

Method used

A method is introduced to generate a compressed segment list by comparing adjacent original segment identifiers to produce compressed segment identifiers, which are used to create a shorter segment list that maintains the same sequence but with reduced length, thereby improving packet transmission and processing efficiency.

Benefits of technology

The compressed segment list reduces the length of the segment routing header, enhancing network transmission efficiency and processing efficiency by minimizing bandwidth usage and simplifying packet processing without affecting the forwarding features of the SRv6 network.

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Abstract

This application discloses a method for generating a segment list used for packet forwarding in an SRv6 network. The method includes: A network device obtains an original segment list corresponding to a packet forwarding path, where the original segment list includes original segment identifiers that are sequentially arranged, and each of the original segment identifiers that are sequentially arranged corresponds to one node or link on the packet forwarding path; the network device compares a plurality of successively adjacent original segment identifiers in the original segment list, to generate a plurality of successively adjacent compressed segment identifiers, where a length of each compressed segment identifier is less than a length of a corresponding original segment identifier; and the network device generates a compressed segment list, where the compressed segment list includes a plurality of compressed segment identifiers, and the compressed segment list is used to forward a packet along the packet forwarding path. In the method, the compressed segment identifier is generated based on the original segment identifier, where the length of the compressed segment identifier is less than that of the original segment identifier, and a length of the compressed segment list is less than that of the original segment list. This improves packet transmission efficiency and processing efficiency in an SR network.
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