Protocol Action: Delta encoding in HTTP to Proposed Standard
The IESG <iesg-secretary@ietf.org> Thu, 11 October 2001 21:55 UTC
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From: The IESG <iesg-secretary@ietf.org>
Subject: Protocol Action: Delta encoding in HTTP to Proposed Standard
Date: Thu, 11 Oct 2001 17:36:12 -0400
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The IESG has approved the Internet-Draft 'Delta encoding in HTTP' <draft-mogul-http-delta-10.txt> as a Proposed Standard. This has been reviewed in the IETF but is not the product of an IETF Working Group. The IESG contact persons are Patrik Faltstrom and Ned Freed. Technical Summary The document specify a way for an HTTP server and client to negotiate sending only the changed versions of a requested instance of a resource over a HTTP connection. This is especially interesting when a cache already have a version of the instance, and finds that the instance have changed. Research have shown that changes only in small parts of instances of resources are frequent, so the ability to only send changes would speed up the transactions. Working Group Summary The document is an individual submission to the IETF, but the specification have been discussed on the mailing list <http-delta@pa.dec.com> during the development of the document. It is noted that AT&T has filed an IPR note about this document. See http://www.ietf.org/ietf/IPR/AT&T-MOGUL-HTTP-DELTA. The IPR note was filed before the Last Call ended, and no concernes were rised from the community in regards of this IPR notice. Protocol Quality The protocol was reviewed for the IESG by Patrik Faltstrom. IANA Considerations: Section 10.2 specifies the creation of a new registry for instance-manipulation values. RFC-Editor note: Please delete section 13 at the time of publication. Author has asked for review of References Section (15) at time of publication. Suggestion is that this be handled via 48 hour notice.