draft-ietf-pim-mtid-06.txt   draft-ietf-pim-mtid-07.txt 
PIM WG Yiqun Cai PIM WG Yiqun Cai
Internet Draft Heidi Ou Internet Draft Heidi Ou
Intended Status: Proposed Standard Intended Status: Proposed Standard
Expires: July 11, 2011 Cisco Systems, Inc. Expires: July 31, 2011 Cisco Systems, Inc.
January 11, 2011 January 31, 2011
PIM Multi-Topology ID (MT-ID) Join-Attribute PIM Multi-Topology ID (MT-ID) Join-Attribute
draft-ietf-pim-mtid-06.txt draft-ietf-pim-mtid-07.txt
Status of this Memo Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with the This Internet-Draft is submitted to IETF in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet- other groups may also distribute working documents as Internet-
Drafts. Drafts.
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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."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt. http://www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on July 11, 2011. This Internet-Draft will expire on July 31, 2011.
Copyright Notice Copyright Notice
Copyright (c) 2010 IETF Trust and the persons identified as the Copyright (c) 2010 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 Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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4.2.1 Sending PIM MT-ID Join Attribute ................... 5 4.2.1 Sending PIM MT-ID Join Attribute ................... 5
4.2.2 Receiving PIM MT-ID Join Attribute ................. 6 4.2.2 Receiving PIM MT-ID Join Attribute ................. 6
4.2.3 Validating PIM MT-ID Join Attribute ................ 6 4.2.3 Validating PIM MT-ID Join Attribute ................ 6
4.2.4 Conflict Resolution ................................ 7 4.2.4 Conflict Resolution ................................ 7
4.2.4.1 Conflict Resolution Rules For Upstream Routers ..... 7 4.2.4.1 Conflict Resolution Rules For Upstream Routers ..... 7
4.2.4.2 Conflict Resolution Rules For Downstream Routers ... 8 4.2.4.2 Conflict Resolution Rules For Downstream Routers ... 8
5 Packet Format ...................................... 8 5 Packet Format ...................................... 8
5.1 PIM MT-ID Hello Option ............................. 8 5.1 PIM MT-ID Hello Option ............................. 8
5.2 PIM MT-ID Join Attribute TLV Format ................ 9 5.2 PIM MT-ID Join Attribute TLV Format ................ 9
6 IANA Considerations ................................ 9 6 IANA Considerations ................................ 9
7 Security Considerations ............................ 10 7 Security Considerations ............................ 9
8 Acknowledgments .................................... 10 8 Acknowledgments .................................... 10
9 Authors' Addresses ................................. 10 9 Authors' Addresses ................................. 10
10 Normative References ............................... 10 10 Normative References ............................... 10
11 Informative References ............................. 11 11 Informative References ............................. 11
1. Specification of Requirements 1. Specification of Requirements
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119]. document are to be interpreted as described in [RFC2119].
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winner as the RPF neighbour but it MUST NOT encode PIM MT-ID when winner as the RPF neighbour but it MUST NOT encode PIM MT-ID when
sending Join packets to it. sending Join packets to it.
5. Packet Format 5. Packet Format
5.1. PIM MT-ID Hello Option 5.1. PIM MT-ID Hello Option
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| OptionType | OptionLength | | OptionType = 30 | OptionLength = 0 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| OptionValue |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- OptionType: 30. - OptionType: 30.
- OptionLength: 8. - OptionLength: 0.
- OptionValue: There is none specified at this moment.
5.2. PIM MT-ID Join Attribute TLV Format 5.2. PIM MT-ID Join Attribute TLV Format
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|F|E| Attr Type | Length |R R R R| Value | |F|E| Attr Type | Length |R R R R| Value |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- F bit: 0 Non-transitive Attribute. - F bit: 0 Non-transitive Attribute.
 End of changes. 7 change blocks. 
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