RFC 2598 · PROPOSED STANDARD · 1999
SUN · 14 JUN 2026
An Expedited Forwarding PHB
Overview
RFC 2598, “An Expedited Forwarding PHB”, is a Proposed Standard document published in June 1999 by V. Jacobson, K. Nichols, K. Poduri. It has been obsoleted by RFC 3246 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
The definition of PHBs (per-hop forwarding behaviors) is a critical part of the work of the Diffserv Working Group. This document describes a PHB called Expedited Forwarding. [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 2598 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1999
- RFC 2597 Assured Forwarding PHB Group
- RFC 2596 Use of Language Codes in LDAP
- RFC 2595 Using TLS with IMAP, POP3 and ACAP
- RFC 2601 ILMI-Based Server Discovery for ATMARP
- RFC 2594 Definitions of Managed Objects for WWW Services
- RFC 2602 ILMI-Based Server Discovery for MARS
- RFC 2593 Script MIB Extensibility Protocol Version 1.0
- RFC 2603 ILMI-Based Server Discovery for NHRP