GB/T 44887.7-2025 Active National standards

GB/T 44887.7-2025 IPv6 evolution technical requirements—Part 7:Service function chaining for segment routing over IPv6(SRv6)

Publish Date: 2025-10-05 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 44887.7-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Data communication

ICS Name: Data communication network

Publish Date: 2025-10-05

Implement Date: 2026-02-01

Pages: 28 pages

Scope

This document specifies the data plane and control plane technical requirements for service chains based on IPv6 Segment Routing (SRv6), including technical requirements for service segments, SR service policies, SR agent behavior, metadata, BGP-LS extensions, and service chains integrating NSH and SRv6.
This document is applicable to the development of routers, switches, and VNFs that support service chain functionality based on IPv6 Segment Routing (SRv6).

Development Information

Word Count: 42 Thousand words Pages: 28 pages

Same series standard

GB/T 44887.1-2025 IPv6 evolution technical requirements—Part 1:Reference framework GB/T 44887.2-2025 IPv6 evolution technical requirements—Part 2:SRv6-based IP bearer network GB/T 44887.3-2025 IPv6 evolution technical requirements—Part 3:IPv6 segment routing header(SRH) GB/T 44887.4-2025 IPv6 evolution technical requirements—Part 4:SRv6-based network programming GB/T 44887.6-2025 IPv6 evolution technical requirements—Part 6:Segment routing over IPv6(SRv6) policy GB/T 44887.8-2025 IPv6 evolution technical requirements—Part 8:Packet header compression for segment routing over IPv6(SRv6) GB/T 44887.9-2025 IPv6 evolution technical requirements—Part 9:Fault protection for segment routing over lPv6(SRv6) network

Referenced Standards

GB/T 44887.1-2025 IPv6 evolution technical requirements—Part 1:Reference framework IETF RFC 8986

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