Discovery Of Restconf Metadata for Source-specific multicast
draft-jholland-mboned-dorms-01

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Mboned                                                        J. Holland
Internet-Draft                                 Akamai Technologies, Inc.
Intended status: Standards Track                      September 26, 2019
Expires: March 29, 2020

      Discovery Of Restconf Metadata for Source-specific multicast
                     draft-jholland-mboned-dorms-01

Abstract

   This document defines DORMS (Discovery Of Restconf Metadata for
   Source-specific multicast), a method to discover and retrieve
   extensible metadata about source-specific multicast channels using
   RESTCONF.  The reverse IP DNS zone for a multicast sender's IP
   address is configured to use SRV resource records to advertise the
   hostname of a RESTCONF server that publishes metadata according to a
   new YANG module with support for extensions.  A new service name and
   the new YANG module are defined.

Status of This Memo

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   This Internet-Draft will expire on March 29, 2020.

Copyright Notice

   Copyright (c) 2019 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
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   (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
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Holland                  Expires March 29, 2020                 [Page 1]
Internet-Draft                    DORMS                   September 2019

   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Background  . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Discovery and Metdata Retrieval . . . . . . . . . . . . . . .   4
     2.1.  DNS Bootstrap . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  RESTCONF Bootstrap  . . . . . . . . . . . . . . . . . . .   5
       2.2.1.  Root Resource Discovery . . . . . . . . . . . . . . .   5
       2.2.2.  Yang Library Version  . . . . . . . . . . . . . . . .   6
       2.2.3.  Yang Library Contents . . . . . . . . . . . . . . . .   6
       2.2.4.  Metadata Retrieval  . . . . . . . . . . . . . . . . .   7
       2.2.5.  Cross Origin Resource Sharing (CORS)  . . . . . . . .   8
   3.  Scalability Considerations  . . . . . . . . . . . . . . . . .   9
     3.1.  Provisioning  . . . . . . . . . . . . . . . . . . . . . .   9
     3.2.  Data Scoping  . . . . . . . . . . . . . . . . . . . . . .   9
   4.  YANG Model  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     4.1.  Yang Tree . . . . . . . . . . . . . . . . . . . . . . . .  10
     4.2.  Yang Module . . . . . . . . . . . . . . . . . . . . . . .  10
   5.  Privacy Considerations  . . . . . . . . . . . . . . . . . . .  12
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
     6.1.  The YANG Module Names Registry  . . . . . . . . . . . . .  12
     6.2.  The Service Name and Transport Protocol Port Number
           Registry  . . . . . . . . . . . . . . . . . . . . . . . .  13
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
     7.1.  Secure Communications . . . . . . . . . . . . . . . . . .  13
     7.2.  Exposure of Metadata  . . . . . . . . . . . . . . . . . .  13
     7.3.  DNS Bootstrapping . . . . . . . . . . . . . . . . . . . .  14
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  14
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  14
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  15
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

   This document defines DORMS (Discovery Of Restconf Metadata for
   Source-specific multicast).

   A DORMS service is a RESTCONF [RFC8040] service that provides read
   access to data in the "ietf-dorms" YANG [RFC7950] model defined in
   Section 4.  This model, along with optional extensions defined in
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