CDNI Media Type Registration
draft-ietf-cdni-media-type-05

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Document Type Active Internet-Draft (cdni WG)
Last updated 2015-10-13 (latest revision 2015-10-10)
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CDNI                                                               K. Ma
Internet-Draft                                                  Ericsson
Intended status: Informational                           October 8, 2015
Expires: April 10, 2016

                      CDNI Media Type Registration
                     draft-ietf-cdni-media-type-05

Abstract

   This document defines the standard media type used by the Content
   Delivery Network Interconnection (CDNI) protocol suite, including the
   registration procedure and recommended usage of the required payload-
   type parameter .

Status of This Memo

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

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   This Internet-Draft will expire on April 10, 2016.

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   Copyright (c) 2015 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction and Scope  . . . . . . . . . . . . . . . . . . .   2
   2.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   2
     2.1.  CDNI Media Type . . . . . . . . . . . . . . . . . . . . .   2
     2.2.  CDNI Payload Type Parameter Registry  . . . . . . . . . .   4
   3.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Normative References  . . . . . . . . . . . . . . . . . .   5
     3.2.  Informative References  . . . . . . . . . . . . . . . . .   6
   Appendix A.  Acknowledgment . . . . . . . . . . . . . . . . . . .   6
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   6

1.  Introduction and Scope

   The Content Delivery Network Interconnection (CDNI) working group is
   developing a set of protocols to enable the interconnection of
   multiple content delivery networks (CDNs), as discussed in [RFC6770].
   The CDNI protocol suite consists of multiple HTTP-based interfaces,
   many of which transfer various JSON (JavaScript Object Notation)
   encoded payloads [RFC7159].  The main interfaces (i.e., CDNI Control
   interface, CDNI Footprint & Capabilities Advertisement interface,
   CDNI Request Routing Redirection interface, CDNI Metadata interface,
   and CDNI Logging interface) are described in [RFC7336].  It is
   desirable to be able to indicate the type of object carried in the
   HTTP entity-body without having to register separate media types for
   each CDNI object.  To accomplish this aims, this document defines a
   single new media type for CDNI that includes a required payload-type
   parameter.  A separate registry of CDNI payload-type parameters is
   also defined.  CDNI protocol specifications may register interface-
   specific payload-types, specifying the payload encoding and parsing
   semantics for that message (e.g., JSON serialization for a CDNI
   metadata object).  The same payload-type parameter may also be used
   as references for other purposes (e.g., referencing CDNI metadata
   objects from CDNI capability advertisement objects).

2.  IANA Considerations

   This section contains the CDNI media type registration request for
   IANA, as well as the payload-type parameter registry definition for
   IANA.

2.1.  CDNI Media Type

   Type name: application

   Subtype name: cdni

   Required parameters:

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      ptype

         The required parameter "ptype" describes the type of CDNI
         message contained in the message payload, as registered in the
         CDNI Payload Type Parameter Registry (Section 2.2) defined
         below.

   Optional parameters: none

   Encoding considerations:

      The CDNI protocol suite includes interfaces with encoded messages
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