RFC 2597 · PROPOSED STANDARD · 1999
MON · 27 JUL 2026
Assured Forwarding PHB Group
Overview
RFC 2597, “Assured Forwarding PHB Group”, is a Proposed Standard document published in June 1999 by J. Heinanen, F. Baker, W. Weiss, J. Wroclawski. It has since been updated by RFC 3260. The canonical text is published by the RFC Editor.
Abstract
This document defines a general use Differentiated Services (DS) Per-Hop-Behavior (PHB) Group called Assured Forwarding (AF). [STANDARDS-TRACK]
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 2597 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1999
- RFC 2596 Use of Language Codes in LDAP
- RFC 2598 An Expedited Forwarding PHB
- RFC 2595 Using TLS with IMAP, POP3 and ACAP
- RFC 2594 Definitions of Managed Objects for WWW Services
- RFC 2593 Script MIB Extensibility Protocol Version 1.0
- RFC 2601 ILMI-Based Server Discovery for ATMARP
- RFC 2592 Definitions of Managed Objects for the Delegation of Management Script
- RFC 2602 ILMI-Based Server Discovery for MARS