Mtrace Version 2: Traceroute Facility for IP Multicast
draft-ietf-mboned-mtrace-v2-14

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Document Type Active Internet-Draft (mboned WG)
Last updated 2016-07-31
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MBONED Working Group                                           H. Asaeda
Internet-Draft                                                      NICT
Intended status: Standards Track                                K. Meyer
Expires: February 1, 2017                                          Cisco
                                                             W. Lee, Ed.
                                                           July 31, 2016

         Mtrace Version 2: Traceroute Facility for IP Multicast
                     draft-ietf-mboned-mtrace-v2-14

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.

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   Internet-Drafts are draft documents valid for a maximum of six months
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   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 February 1, 2017.

Copyright Notice

   Copyright (c) 2016 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

Asaeda, et al.          Expires February 1, 2017                [Page 1]
Internet-Draft                   Mtrace2                       July 2016

   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  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.1.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Packet Formats  . . . . . . . . . . . . . . . . . . . . . . .   6
     3.1.  Mtrace2 TLV format  . . . . . . . . . . . . . . . . . . .   7
     3.2.  Defined TLVs  . . . . . . . . . . . . . . . . . . . . . .   7
       3.2.1.  Mtrace2 Query . . . . . . . . . . . . . . . . . . . .   8
       3.2.2.  Mtrace2 Request . . . . . . . . . . . . . . . . . . .  10
       3.2.3.  Mtrace2 Reply . . . . . . . . . . . . . . . . . . . .  10
       3.2.4.  IPv4 Mtrace2 Standard Response Block  . . . . . . . .  11
       3.2.5.  IPv6 Mtrace2 Standard Response Block  . . . . . . . .  14
       3.2.6.  Mtrace2 Augmented Response Block  . . . . . . . . . .  17
       3.2.7.  Mtrace2 Extended Query Block  . . . . . . . . . . . .  18
   4.  Router Behavior . . . . . . . . . . . . . . . . . . . . . . .  19
     4.1.  Receiving Mtrace2 Query . . . . . . . . . . . . . . . . .  19
       4.1.1.  Query Packet Verification . . . . . . . . . . . . . .  19
       4.1.2.  Query Normal Processing . . . . . . . . . . . . . . .  20
     4.2.  Receiving Mtrace2 Request . . . . . . . . . . . . . . . .  20
       4.2.1.  Request Packet Verification . . . . . . . . . . . . .  20
       4.2.2.  Request Normal Processing . . . . . . . . . . . . . .  21
     4.3.  Forwarding Mtrace2 Request  . . . . . . . . . . . . . . .  22
       4.3.1.  Destination Address . . . . . . . . . . . . . . . . .  23
       4.3.2.  Source Address  . . . . . . . . . . . . . . . . . . .  23
       4.3.3.  Appending Standard Response Block . . . . . . . . . .  23
     4.4.  Sending Mtrace2 Reply . . . . . . . . . . . . . . . . . .  24
       4.4.1.  Destination Address . . . . . . . . . . . . . . . . .  24
       4.4.2.  Source Address  . . . . . . . . . . . . . . . . . . .  24
       4.4.3.  Appending Standard Response Block . . . . . . . . . .  24
     4.5.  Proxying Mtrace2 Query  . . . . . . . . . . . . . . . . .  24
     4.6.  Hiding Information  . . . . . . . . . . . . . . . . . . .  25
   5.  Client Behavior . . . . . . . . . . . . . . . . . . . . . . .  25
     5.1.  Sending Mtrace2 Query . . . . . . . . . . . . . . . . . .  25
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