SUDC: Synchronous Update with the Division and Combination of SRv6 Policy

Yuze Liu, Weihong Wu (), Ying Wang, Jiang Liu and Fan Yang
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Yuze Liu: School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
Weihong Wu: School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
Ying Wang: School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
Jiang Liu: School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
Fan Yang: School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Future Internet, 2024, vol. 16, issue 4, 1-17

Abstract: With the expansion of network scale, new network services are emerging. Segment Routing over IPv6 (SRv6) can meet the diverse needs of more new services due to its excellent scalability and programmability. In the intelligent 6-Generation (6G) scenario, frequent SRv6 Traffic Engineering (TE) policy updates will result in the serious problem of unsynchronized updates across routers. Existing solutions suffer from issues such as long update cycles or large data overhead. To optimize the policy-update process, this paper proposes a scheme called Synchronous Update with the Division and Combination of SRv6 Policy (SUDC). Based on the characteristics of the SRv6 TE policy, SUDC divides the policies and introduces Bit Index Explicit Replication IPv6 Encapsulation (BIERv6) to multicast the policy blocks derived from policy dividing. The contribution of this paper is to propose the policy-dividing and combination mechanism and the policy-dividing algorithm. The simulation results demonstrate that compared with the existing schemes, the update overhead and update cycle of SUDC are reduced by 46.71% and 46.6%, respectively. The problem of unsynchronized updates across routers has been further improved.

Keywords: SRv6; policy updating; synchronization; TE (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2024
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