datatracker.ietf.org
Sign in
Version 5.6.2.p5, 2014-08-04
Report a bug

The Locator/ID Separation Protocol (LISP) for Multicast Environments
RFC 6831

Internet Engineering Task Force (IETF)                      D. Farinacci
Request for Comments: 6831                                      D. Meyer
Category: Experimental                                        J. Zwiebel
ISSN: 2070-1721                                                S. Venaas
                                                           Cisco Systems
                                                            January 2013

  The Locator/ID Separation Protocol (LISP) for Multicast Environments

Abstract

   This document describes how inter-domain multicast routing will
   function in an environment where Locator/ID Separation is deployed
   using the Locator/ID Separation Protocol (LISP) architecture.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for examination, experimental implementation, and
   evaluation.

   This document defines an Experimental Protocol for the Internet
   community.  This document is a product of the Internet Engineering
   Task Force (IETF).  It represents the consensus of the IETF
   community.  It has received public review and has been approved for
   publication by the Internet Engineering Steering Group (IESG).  Not
   all documents approved by the IESG are a candidate for any level of
   Internet Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6831.

Copyright Notice

   Copyright (c) 2013 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
   described in the Simplified BSD License.

Farinacci, et al.             Experimental                      [Page 1]
RFC 6831             LISP for Multicast Environments        January 2013

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Requirements Notation  . . . . . . . . . . . . . . . . . . . .  4
   3.  Definition of Terms  . . . . . . . . . . . . . . . . . . . . .  5
   4.  Basic Overview . . . . . . . . . . . . . . . . . . . . . . . .  8
   5.  Source Addresses versus Group Addresses  . . . . . . . . . . . 10
   6.  Locator Reachability Implications on LISP-Multicast  . . . . . 11
   7.  Multicast Protocol Changes . . . . . . . . . . . . . . . . . . 12
   8.  LISP-Multicast Data-Plane Architecture . . . . . . . . . . . . 14
     8.1.  ITR Forwarding Procedure . . . . . . . . . . . . . . . . . 15
       8.1.1.  Multiple RLOCs for an ITR  . . . . . . . . . . . . . . 15
       8.1.2.  Multiple ITRs for a LISP Source Site . . . . . . . . . 15
     8.2.  ETR Forwarding Procedure . . . . . . . . . . . . . . . . . 16
     8.3.  Replication Locations  . . . . . . . . . . . . . . . . . . 16
   9.  LISP-Multicast Interworking  . . . . . . . . . . . . . . . . . 17
     9.1.  LISP and Non-LISP Mixed Sites  . . . . . . . . . . . . . . 17
       9.1.1.  LISP Source Site to Non-LISP Receiver Sites  . . . . . 18
       9.1.2.  Non-LISP Source Site to Non-LISP Receiver Sites  . . . 20
       9.1.3.  Non-LISP Source Site to Any Receiver Site  . . . . . . 20
       9.1.4.  Unicast LISP Source Site to Any Receiver Sites . . . . 21
       9.1.5.  LISP Source Site to Any Receiver Sites . . . . . . . . 21
     9.2.  LISP Sites with Mixed Address Families . . . . . . . . . . 22
     9.3.  Making a Multicast Interworking Decision . . . . . . . . . 24
   10. Considerations When RP Addresses Are Embedded in Group
       Addresses  . . . . . . . . . . . . . . . . . . . . . . . . . . 24
   11. Taking Advantage of Upgrades in the Core . . . . . . . . . . . 25
   12. Mtrace Considerations  . . . . . . . . . . . . . . . . . . . . 25
   13. Security Considerations  . . . . . . . . . . . . . . . . . . . 25
   14. Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 26
   15. References . . . . . . . . . . . . . . . . . . . . . . . . . . 26
     15.1. Normative References . . . . . . . . . . . . . . . . . . . 26
     15.2. Informative References . . . . . . . . . . . . . . . . . . 27

Farinacci, et al.             Experimental                      [Page 2]
RFC 6831             LISP for Multicast Environments        January 2013

[include full document text]