< draft-ietf-pim-3810bis-00.txt   draft-ietf-pim-3810bis-01.txt >
Network Working Group B. Haberman, Ed. Network Working Group B. Haberman, Ed.
Internet-Draft JHU APL Internet-Draft JHU APL
Obsoletes: 3810 (if approved) September 2021 Obsoletes: 3810 (if approved) October 2021
Intended status: Standards Track Intended status: Standards Track
Expires: 1 April 2022 Expires: 28 April 2022
Multicast Listener Discovery Version 2 (MLDv2) for IPv6 Multicast Listener Discovery Version 2 (MLDv2) for IPv6
draft-ietf-pim-3810bis-00 draft-ietf-pim-3810bis-01
Abstract Abstract
This document updates RFC 2710, and it specifies Version 2 of the This document updates RFC 2710, and it specifies Version 2 of the
Multicast Listener Discovery Protocol (MLDv2). MLD is used by an Multicast Listener Discovery Protocol (MLDv2). MLD is used by an
IPv6 router to discover the presence of multicast listeners on IPv6 router to discover the presence of multicast listeners on
directly attached links, and to discover which multicast addresses directly attached links, and to discover which multicast addresses
are of interest to those neighboring nodes. MLDv2 is designed to be are of interest to those neighboring nodes. MLDv2 is designed to be
interoperable with MLDv1. MLDv2 adds the ability for a node to interoperable with MLDv1. MLDv2 adds the ability for a node to
report interest in listening to packets with a particular multicast report interest in listening to packets with a particular multicast
skipping to change at page 1, line 41 skipping to change at page 1, line 41
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on 5 March 2022. This Internet-Draft will expire on 4 April 2022.
Copyright Notice Copyright Notice
Copyright (c) 2021 IETF Trust and the persons identified as the Copyright (c) 2021 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents (https://trustee.ietf.org/ Provisions Relating to IETF Documents (https://trustee.ietf.org/
license-info) in effect on the date of publication of this document. license-info) in effect on the date of publication of this document.
Please review these documents carefully, as they describe your rights Please review these documents carefully, as they describe your rights
skipping to change at page 4, line 26 skipping to change at page 4, line 26
10.3. State Change Report messages . . . . . . . . . . . . . . 60 10.3. State Change Report messages . . . . . . . . . . . . . . 60
11. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 60 11. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 60
12. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 61 12. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 61
13. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 61 13. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 61
14. References . . . . . . . . . . . . . . . . . . . . . . . . . 61 14. References . . . . . . . . . . . . . . . . . . . . . . . . . 61
14.1. Normative References . . . . . . . . . . . . . . . . . . 61 14.1. Normative References . . . . . . . . . . . . . . . . . . 61
14.2. Informative References . . . . . . . . . . . . . . . . . 62 14.2. Informative References . . . . . . . . . . . . . . . . . 62
Appendix A. Design Rationale . . . . . . . . . . . . . . . . . . 62 Appendix A. Design Rationale . . . . . . . . . . . . . . . . . . 62
A.1. The Need for State Change Messages . . . . . . . . . . . 62 A.1. The Need for State Change Messages . . . . . . . . . . . 62
A.2. Host Suppression . . . . . . . . . . . . . . . . . . . . 63 A.2. Host Suppression . . . . . . . . . . . . . . . . . . . . 63
A.3. Switching router filter modes from EXCLUDE to INCLUDE . . 63 A.3. Switching router filter modes from EXCLUDE to INCLUDE . . 64
Appendix B. Summary of Changes . . . . . . . . . . . . . . . . . 64 Appendix B. Summary of Changes . . . . . . . . . . . . . . . . . 64
B.1. MLDv1 . . . . . . . . . . . . . . . . . . . . . . . . . . 64 B.1. MLDv1 . . . . . . . . . . . . . . . . . . . . . . . . . . 64
B.2. MLDv2 . . . . . . . . . . . . . . . . . . . . . . . . . . 65 B.2. MLDv2 . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 65 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 66
1. Introduction 1. Introduction
The Multicast Listener Discovery Protocol (MLD) is used by IPv6 The Multicast Listener Discovery Protocol (MLD) is used by IPv6
routers to discover the presence of multicast listeners (i.e., nodes routers to discover the presence of multicast listeners (i.e., nodes
that wish to receive multicast packets) on their directly attached that wish to receive multicast packets) on their directly attached
links, and to discover specifically which multicast addresses are of links, and to discover specifically which multicast addresses are of
interest to those neighboring nodes. Note that a multicast router interest to those neighboring nodes. Note that a multicast router
may itself be a listener of one or more multicast addresses; in this may itself be a listener of one or more multicast addresses; in this
case it performs both the "multicast router part" and the "multicast case it performs both the "multicast router part" and the "multicast
skipping to change at page 61, line 11 skipping to change at page 61, line 11
In addition, IANA has assigned the ICMPv6 message type value of 143 In addition, IANA has assigned the ICMPv6 message type value of 143
for Version 2 Multicast Listener Report messages, as specified in for Version 2 Multicast Listener Report messages, as specified in
Section 4. Section 4.
12. Contributors 12. Contributors
Roland Vida, Luis Henrique Maciel Kosmalski Costa, Serge Fdida, Steve Roland Vida, Luis Henrique Maciel Kosmalski Costa, Serge Fdida, Steve
Deering, Bill Fenner, and Isidor Kouvelas are the authors of RFC Deering, Bill Fenner, and Isidor Kouvelas are the authors of RFC
3810, which makes up the majority of the content in this document. 3810, which makes up the majority of the content in this document.
Anuj Budhiraja, Toerless Eckert, Olufemi Komolafe and Tim Winters
have contributed valuable content to this version of the
specification.
13. Acknowledgments 13. Acknowledgments
We would like to thank Hitoshi Asaeda, Randy Bush, Francis Dupont, We would like to thank Hitoshi Asaeda, Randy Bush, Francis Dupont,
Ted Hardie, Russ Housley, Konstantin Kabassanov, Erik Nordmark, Ted Hardie, Russ Housley, Konstantin Kabassanov, Erik Nordmark,
Shinsuke Suzuki, Margaret Wasserman, Bert Wijnen, and Remi Zara for Shinsuke Suzuki, Margaret Wasserman, Bert Wijnen, and Remi Zara for
their valuable comments and suggestions on this document. their valuable comments and suggestions on this document.
Stig Venaas, Hitoshi Asaeda, and Mike McBride have provided valuable
feedback on this version of the specification and we thank them for
their input.
14. References 14. References
14.1. Normative References 14.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
[RFC2460] Deering, S. and R. Hinden, "Internet Protocol, Version 6 [RFC2460] Deering, S. and R. Hinden, "Internet Protocol, Version 6
 End of changes. 8 change blocks. 
6 lines changed or deleted 14 lines changed or added

This html diff was produced by rfcdiff 1.48. The latest version is available from http://tools.ietf.org/tools/rfcdiff/