Media Type Specifications and Registration Procedures
draft-ietf-appsawg-media-type-regs-06

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Network Working Group                                           N. Freed
Internet-Draft                                                    Oracle
Obsoletes: 4288 (if approved)                                 J. Klensin
Intended status: BCP
Expires: October 28, 2012                                      T. Hansen
                                                       AT&T Laboratories
                                                          April 26, 2012

         Media Type Specifications and Registration Procedures
                 draft-ietf-appsawg-media-type-regs-06

Abstract

   This document defines procedures for the specification and
   registration of media types for use in HTTP, MIME and other Internet
   protocols.

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
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   Drafts is at http://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 October 28, 2012.

Copyright Notice

   Copyright (c) 2012 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
   (http://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 Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as

Freed, et al.           Expires October 28, 2012                [Page 1]
Internet-Draft           Media Type Registration              April 2012

   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1.  Historical Note  . . . . . . . . . . . . . . . . . . . . .  4
     1.2.  Conventions Used in This Document  . . . . . . . . . . . .  4
   2.  Media Type Registration Preliminaries  . . . . . . . . . . . .  5
   3.  Registration Trees and Subtype Names . . . . . . . . . . . . .  5
     3.1.  Standards Tree . . . . . . . . . . . . . . . . . . . . . .  5
     3.2.  Vendor Tree  . . . . . . . . . . . . . . . . . . . . . . .  6
     3.3.  Personal or Vanity Tree  . . . . . . . . . . . . . . . . .  7
     3.4.  Unregistered x. Tree . . . . . . . . . . . . . . . . . . .  7
     3.5.  Additional Registration Trees  . . . . . . . . . . . . . .  8
   4.  Registration Requirements  . . . . . . . . . . . . . . . . . .  8
     4.1.  Functionality Requirement  . . . . . . . . . . . . . . . .  8
     4.2.  Naming Requirements  . . . . . . . . . . . . . . . . . . .  9
       4.2.1.  Text Media Types . . . . . . . . . . . . . . . . . . . 10
       4.2.2.  Image Media Types  . . . . . . . . . . . . . . . . . . 11
       4.2.3.  Audio Media Types  . . . . . . . . . . . . . . . . . . 11
       4.2.4.  Video Media Types  . . . . . . . . . . . . . . . . . . 11
       4.2.5.  Application Media Types  . . . . . . . . . . . . . . . 11
       4.2.6.  Multipart and Message Media Types  . . . . . . . . . . 12
       4.2.7.  Additional Top-level Types . . . . . . . . . . . . . . 12
       4.2.8.  Structured Syntax Name Suffixes  . . . . . . . . . . . 12
       4.2.9.  Deprecated Aliases . . . . . . . . . . . . . . . . . . 13
     4.3.  Parameter Requirements . . . . . . . . . . . . . . . . . . 13
     4.4.  Canonicalization and Format Requirements . . . . . . . . . 14
     4.5.  Interchange Recommendations  . . . . . . . . . . . . . . . 15
     4.6.  Security Requirements  . . . . . . . . . . . . . . . . . . 15
     4.7.  Requirements specific to XML media types . . . . . . . . . 16
     4.8.  Encoding Requirements  . . . . . . . . . . . . . . . . . . 16
     4.9.  Usage and Implementation Non-requirements  . . . . . . . . 17
     4.10. Publication Requirements . . . . . . . . . . . . . . . . . 18
     4.11. Fragment Identifier Requirements . . . . . . . . . . . . . 18
     4.12. Additional Information . . . . . . . . . . . . . . . . . . 19
   5.  Media Type Registration Procedures . . . . . . . . . . . . . . 19
     5.1.  Preliminary Community Review . . . . . . . . . . . . . . . 19
     5.2.  Submit request to IANA . . . . . . . . . . . . . . . . . . 20
       5.2.1.  Provisional Registrations  . . . . . . . . . . . . . . 20
     5.3.  Review and Approval  . . . . . . . . . . . . . . . . . . . 20