RFC 5559 · INFORMATIONAL · 2009
WED · 29 JUL 2026
Pre-Congestion Notification Architecture
Overview
RFC 5559, “Pre-Congestion Notification Architecture”, is an Informational document published in June 2009 by P. Eardley. The canonical text is published by the RFC Editor.
Abstract
This document describes a general architecture for flow admission and termination based on pre-congestion information in order to protect the quality of service of established, inelastic flows within a single Diffserv domain. This memo provides information for the Internet community.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 5559 is hosted at rfc-editor.org. Available in TXT,HTML.
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