Mtrace Version 2: Traceroute Facility for IP Multicast
draft-ietf-mboned-mtrace-v2-20

Document Type Active Internet-Draft (mboned WG)
Last updated 2017-10-16 (latest revision 2017-10-14)
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MBONED Working Group                                           H. Asaeda
Internet-Draft                                                      NICT
Intended status: Standards Track                                K. Meyer
Expires: April 17, 2018                                            Cisco
                                                             W. Lee, Ed.
                                                        October 14, 2017

         Mtrace Version 2: Traceroute Facility for IP Multicast
                     draft-ietf-mboned-mtrace-v2-20

Abstract

   This document describes the IP multicast traceroute facility, named
   Mtrace version 2 (Mtrace2).  Unlike unicast traceroute, Mtrace2
   requires special implementations on the part of routers.  This
   specification describes the required functionality in multicast
   routers, as well as how an Mtrace2 client invokes a query and
   receives a reply.

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
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   This Internet-Draft will expire on April 17, 2018.

Copyright Notice

   Copyright (c) 2017 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
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   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must

Asaeda, et al.           Expires April 17, 2018                 [Page 1]
Internet-Draft                   Mtrace2                    October 2017

   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.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
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   material may not have granted the IETF Trust the right to allow
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   than English.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   6
     2.1.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   6
   3.  Packet Formats  . . . . . . . . . . . . . . . . . . . . . . .   7
     3.1.  Mtrace2 TLV format  . . . . . . . . . . . . . . . . . . .   8
     3.2.  Defined TLVs  . . . . . . . . . . . . . . . . . . . . . .   8
       3.2.1.  Mtrace2 Query . . . . . . . . . . . . . . . . . . . .   9
       3.2.2.  Mtrace2 Request . . . . . . . . . . . . . . . . . . .  11
       3.2.3.  Mtrace2 Reply . . . . . . . . . . . . . . . . . . . .  11
       3.2.4.  IPv4 Mtrace2 Standard Response Block  . . . . . . . .  12
       3.2.5.  IPv6 Mtrace2 Standard Response Block  . . . . . . . .  15
       3.2.6.  Mtrace2 Augmented Response Block  . . . . . . . . . .  18
       3.2.7.  Mtrace2 Extended Query Block  . . . . . . . . . . . .  19
   4.  Router Behavior . . . . . . . . . . . . . . . . . . . . . . .  20
     4.1.  Receiving Mtrace2 Query . . . . . . . . . . . . . . . . .  20
       4.1.1.  Query Packet Verification . . . . . . . . . . . . . .  20
       4.1.2.  Query Normal Processing . . . . . . . . . . . . . . .  21
     4.2.  Receiving Mtrace2 Request . . . . . . . . . . . . . . . .  21
       4.2.1.  Request Packet Verification . . . . . . . . . . . . .  21
       4.2.2.  Request Normal Processing . . . . . . . . . . . . . .  22
     4.3.  Forwarding Mtrace2 Request  . . . . . . . . . . . . . . .  23
       4.3.1.  Destination Address . . . . . . . . . . . . . . . . .  24
       4.3.2.  Source Address  . . . . . . . . . . . . . . . . . . .  24
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