draft-ietf-httpbis-variants-04.txt   draft-ietf-httpbis-variants-latest.txt 
HTTP Working Group M. Nottingham HTTP Working Group M. Nottingham
Internet-Draft Fastly Internet-Draft Fastly
Updates: 7234 (if approved) October 22, 2018 Updates: 7234 (if approved) November 20, 2018
Intended status: Standards Track Intended status: Standards Track
Expires: April 25, 2019 Expires: May 24, 2019
HTTP Representation Variants HTTP Representation Variants
draft-ietf-httpbis-variants-04 draft-ietf-httpbis-variants-latest
Abstract Abstract
This specification introduces an alternative way to communicate a This specification introduces an alternative way to communicate a
secondary cache key for a HTTP resource, using the HTTP "Variants" secondary cache key for a HTTP resource, using the HTTP "Variants"
and "Variant-Key" response header fields. Its aim is to make HTTP and "Variant-Key" response header fields. Its aim is to make HTTP
proactive content negotiation more cache-friendly. proactive content negotiation more cache-friendly.
Note to Readers Note to Readers
skipping to change at page 1, line 49 skipping to change at page 1, line 49
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on April 25, 2019. This Internet-Draft will expire on May 24, 2019.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
 End of changes. 4 change blocks. 
4 lines changed or deleted 4 lines changed or added

This html diff was produced by rfcdiff 1.44jr. The latest version is available from http://tools.ietf.org/tools/rfcdiff/