Extensible Prioritization Scheme for HTTP

Document Type Replaced Internet-Draft (httpbis WG)
Authors Kazuho Oku  , Lucas Pardue 
Last updated 2019-12-13 (latest revision 2019-11-20)
Replaced by draft-ietf-httpbis-priority
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
pdf htmlized (tools) htmlized bibtex
Stream WG state Adopted by a WG
Document shepherd No shepherd assigned
IESG IESG state Replaced by draft-ietf-httpbis-priority
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a scheme for prioritizing HTTP responses. This scheme expresses the priority of each HTTP response using absolute values, rather than as a relative relationship between a group of HTTP responses. This document defines the Priority header field for communicating the initial priority in an HTTP version-independent manner, as well as HTTP/2 and HTTP/3 frames for reprioritizing the responses. These share a common format structure that is designed to provide future extensibility.


Kazuho Oku (kazuhooku@gmail.com)
Lucas Pardue (lucaspardue.24.7@gmail.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)