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The ORIGIN Extension in HTTP/3
draft-ietf-httpbis-origin-h3-00

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This is an older version of an Internet-Draft that was ultimately published as RFC 9412.
Author Mike Bishop
Last updated 2022-06-22 (Latest revision 2022-06-13)
Replaces draft-bishop-httpbis-origin-h3
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draft-ietf-httpbis-origin-h3-00
HTTPbis                                                        M. Bishop
Internet-Draft                                                    Akamai
Intended status: Standards Track                            13 June 2022
Expires: 15 December 2022

                     The ORIGIN Extension in HTTP/3
                    draft-ietf-httpbis-origin-h3-00

Abstract

   The ORIGIN frame for HTTP/2 is equally applicable to HTTP/3, but
   needs to be separately registered.  This document describes the
   ORIGIN frame for HTTP/3.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on 15 December 2022.

Copyright Notice

   Copyright (c) 2022 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents (https://trustee.ietf.org/
   license-info) in effect on the date of publication of this document.
   Please review these documents carefully, as they describe your rights
   and restrictions with respect to this document.  Code Components
   extracted from this document must include Revised BSD License text as
   described in Section 4.e of the Trust Legal Provisions and are
   provided without warranty as described in the Revised BSD License.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  The ORIGIN HTTP/3 Frame . . . . . . . . . . . . . . . . . . .   2
   3.  Security Considerations . . . . . . . . . . . . . . . . . . .   2
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   2
   5.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   3
     5.1.  Normative References  . . . . . . . . . . . . . . . . . .   3
     5.2.  Informative References  . . . . . . . . . . . . . . . . .   3
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   3

1.  Introduction

   Existing RFCs define extensions to HTTP/2 [HTTP2] which remain useful
   in HTTP/3.  Appendix A.2.3 of [HTTP3] describes the required updates
   for HTTP/2 frames to be used with HTTP/3.

   [ORIGIN] defines the HTTP/2 ORIGIN frame, which indicates what
   origins are available on a given connection.  It defines a single
   HTTP/2 frame type.

2.  The ORIGIN HTTP/3 Frame

   The ORIGIN HTTP/3 frame allows a server to indicate what origin(s)
   ([RFC6454]) the server would like the client to consider as members
   of the Origin Set (Section 2.3 of [ORIGIN]) for the connection within
   which it occurs.

   Where HTTP/2 reserves Stream 0 for frames related to the state of the
   connection, HTTP/3 defines a pair of unidirectional streams called
   "control streams" for this purpose.  Where [ORIGIN] indicates that
   the ORIGIN frame should be sent on Stream 0, this should be
   interpreted to mean the HTTP/3 control stream.  The ORIGIN frame is
   sent from servers to clients on the server's control stream.

   The layout and semantics of the frame payload are identical to those
   of the HTTP/2 frame defined in [ORIGIN].  The ORIGIN frame type is
   0xc (decimal 12), as in HTTP/2.

3.  Security Considerations

   This document introduces no new security considerations beyond those
   discussed in [ORIGIN] and [HTTP3].

4.  IANA Considerations

   This document registers a frame type in the "HTTP/3 Frame Type"
   registry ([HTTP3]).

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                  +============+=======+===============+
                  | Frame Type | Value | Specification |
                  +============+=======+===============+
                  | ORIGIN     |  0xc  | Section 2     |
                  +------------+-------+---------------+

                  Table 1: Registered HTTP/3 Frame Types

5.  References

5.1.  Normative References

   [HTTP2]    Thomson, M., Ed. and C. Benfield, Ed., "HTTP/2", RFC 9113,
              DOI 10.17487/RFC9113, June 2022,
              <https://www.rfc-editor.org/rfc/rfc9113>.

   [HTTP3]    Bishop, M., Ed., "HTTP/3", RFC 9114, DOI 10.17487/RFC9114,
              June 2022, <https://www.rfc-editor.org/rfc/rfc9114>.

   [ORIGIN]   Nottingham, M. and E. Nygren, "The ORIGIN HTTP/2 Frame",
              RFC 8336, DOI 10.17487/RFC8336, March 2018,
              <https://www.rfc-editor.org/rfc/rfc8336>.

5.2.  Informative References

   [RFC6454]  Barth, A., "The Web Origin Concept", RFC 6454,
              DOI 10.17487/RFC6454, December 2011,
              <https://www.rfc-editor.org/rfc/rfc6454>.

Author's Address

   Mike Bishop
   Akamai
   Email: mbishop@evequefou.be

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