RFC 8979 · PROPOSED STANDARD · 2021

Subscriber and Performance Policy Identifier Context Headers in the Network Service Header

Overview

RFC 8979, “Subscriber and Performance Policy Identifier Context Headers in the Network Service Header”, is a Proposed Standard document published in February 2021 by B. Sarikaya, D. von Hugo, M. Boucadair. The canonical text is published by the RFC Editor.

Abstract

This document defines the Subscriber and Performance Policy Identifier Context Headers. These Variable-Length Context Headers can be carried in the Network Service Header (NSH) and are used to inform Service Functions (SFs) of subscriber- and performance-related information for the sake of policy enforcement and appropriate Service Function Chaining (SFC) operations. The structure of each Context Header and their use and processing by NSH-aware nodes are described.

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 8979 is hosted at rfc-editor.org. Available in HTML,TXT,PDF,XML.

Other RFCs from 2021

Who Is Online

In total there are 140 users online: 0 registered, 134 guests and 6 bots.

Most users ever online was 1,226 on 13 Jun 2026, 3:56 am.

Bots: AhrefsBot Applebot Majestic Other Bot SemrushBot Sogou

Users active in the past 15 minutes. Total registered members: 354