--- 1/draft-ietf-mpls-ldp-p2mp-03.txt 2008-02-23 01:12:19.000000000 +0100 +++ 2/draft-ietf-mpls-ldp-p2mp-04.txt 2008-02-23 01:12:19.000000000 +0100 @@ -1,22 +1,22 @@ Network Working Group I. Minei (Editor) Internet-Draft K. Kompella Intended status: Standards Track Juniper Networks -Expires: January 10, 2008 I. Wijnands (Editor) +Expires: August 25, 2008 I. Wijnands (Editor) B. Thomas Cisco Systems, Inc. - July 9, 2007 + February 22, 2008 Label Distribution Protocol Extensions for Point-to-Multipoint and Multipoint-to-Multipoint Label Switched Paths - draft-ietf-mpls-ldp-p2mp-03 + draft-ietf-mpls-ldp-p2mp-04 Status of this Memo By submitting this Internet-Draft, each author represents that any applicable patent or other IPR claims of which he or she is aware have been or will be disclosed, and any of which he or she becomes aware will be disclosed, in accordance with Section 6 of BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that @@ -27,25 +27,25 @@ and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." The list of current Internet-Drafts can be accessed at http://www.ietf.org/ietf/1id-abstracts.txt. The list of Internet-Draft Shadow Directories can be accessed at http://www.ietf.org/shadow.html. - This Internet-Draft will expire on January 10, 2008. + This Internet-Draft will expire on August 25, 2008. Copyright Notice - Copyright (C) The IETF Trust (2007). + Copyright (C) The IETF Trust (2008). Abstract This document describes extensions to the Label Distribution Protocol (LDP) for the setup of point to multi-point (P2MP) and multipoint-to- multipoint (MP2MP) Label Switched Paths (LSPs) in Multi-Protocol Label Switching (MPLS) networks. The solution relies on LDP without requiring a multicast routing protocol in the network. Protocol elements and procedures for this solution are described for building such LSPs in a receiver-initiated manner. There can be various @@ -219,21 +219,21 @@ context of the root node. The combination of (Root Node Address, Opaque Value) uniquely identifies a P2MP LSP within the MPLS network. The P2MP FEC Element is encoded as follows: 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 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |P2MP Type (TBD)| Address Family | Address Length| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ - | Root Node Address | + ~ Root Node Address ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Opaque Length | Opaque Value ... | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + ~ ~ | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Type: The type of the P2MP FEC Element is to be assigned by IANA. @@ -1111,21 +1111,21 @@ |1|0| LDP MP MBB Capability | Length = 1 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |1| Reserved | +-+-+-+-+-+-+-+-+ If an LSR has not advertised that it is MBB capable, its LDP peers MUST NOT send it messages which include MBB parameters. If an LSR receives a Label Mapping message with a MBB parameter from downstream LSR-D and its upstream LSR-U has not advertised that it is MBB capable, the LSR MUST send an MBB notification immediatly to LSR-U - (see Section Section 8.4). If this happens an MBB MP LSP will not be + (see Section 8.4). If this happens an MBB MP LSP will not be established, but normal a MP LSP will be the result. 8.4. The MBB procedures 8.4.1. Terminology 1. MBB LSP : A P2MP or MP2MP Make Before Break (MBB) LSP entry with Root Node Address X and Opaque Value Y. 2. A(N, L): An Accepting element that consists of an upstream @@ -1278,21 +1278,21 @@ This document creates a new name space (the LDP MP Status Value Element type) that is to be managed by IANA, and the allocation of the value 1 for the type of MBB Status. 11. Acknowledgments The authors would like to thank the following individuals for their review and contribution: Nischal Sheth, Yakov Rekhter, Rahul Aggarwal, Arjen Boers, Eric Rosen, Nidhi Bhaskar, Toerless Eckert, - George Swallow, Jin Lizhong and Vanson Lim. + George Swallow, Jin Lizhong, Vanson Lim and Adrian Farrel. 12. Contributing authors Below is a list of the contributing authors in alphabetical order: Shane Amante Level 3 Communications, LLC 1025 Eldorado Blvd Broomfield, CO 80021 US @@ -1431,21 +1431,21 @@ Bob Thomas Cisco Systems, Inc. 300 Beaver Brook Road Boxborough 01719 US Email: rhthomas@cisco.com Full Copyright Statement - Copyright (C) The IETF Trust (2007). + Copyright (C) The IETF Trust (2008). This document is subject to the rights, licenses and restrictions contained in BCP 78, and except as set forth therein, the authors retain all their rights. This document and the information contained herein are provided on an "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST AND THE INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF