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Targeted HTTP Response Header Fields for Cache Control

Document Type Replaced Internet-Draft (httpbis WG)
Expired & archived
Authors Stephen Ludin , Mark Nottingham , Yuchen Wu
Last updated 2021-09-18 (Latest revision 2021-03-17)
Replaced by RFC 9213
RFC stream Internet Engineering Task Force (IETF)
Intended RFC status Proposed Standard
Additional resources Mailing list discussion
Stream WG state Adopted by a WG
Document shepherd (None)
IESG IESG state Replaced by draft-ietf-httpbis-targeted-cache-control
Consensus boilerplate Yes
Telechat date (None)
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This specification defines a convention for HTTP response header fields that allow directives controlling caching to be targeted at specific caches or classes of caches. It also defines one such header field, targeted at Content Delivery Network (CDN) caches.


Stephen Ludin
Mark Nottingham
Yuchen Wu

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