draft-ietf-mpls-ipv6-pw-lsp-ping-01.txt		draft-ietf-mpls-ipv6-pw-lsp-ping-02.txt
	Network Working Group M. Chen		Network Working Group M. Chen
	Internet-Draft Huawei Technologies Co., Ltd		Internet-Draft Huawei Technologies Co., Ltd
	Updates: 4379 (if approved) P. Pan		Updates: 4379 (if approved) P. Pan
	Intended status: Standards Track Infinera		Intended status: Standards Track Infinera
	Expires: March 7, 2013 C. Pignataro		Expires: April 14, 2013 C. Pignataro
	R. Asati		R. Asati
	Cisco		Cisco
	September 3, 2012		October 11, 2012
	Label Switched Path (LSP) Ping for IPv6 Pseudowire FECs		Label Switched Path (LSP) Ping for IPv6 Pseudowire FECs
	draft-ietf-mpls-ipv6-pw-lsp-ping-01		draft-ietf-mpls-ipv6-pw-lsp-ping-02
	Abstract		Abstract
	Multi-Protocol Label Switching (MPLS) Label Switched Path (LSP) Ping		Multi-Protocol Label Switching (MPLS) Label Switched Path (LSP) Ping
	and traceroute mechanisms are commonly used to detect and isolate		and traceroute mechanisms are commonly used to detect and isolate
	data plane failures in all MPLS LSPs including Pseudowire (PW) LSPs.		data plane failures in all MPLS LSPs including Pseudowire (PW) LSPs.
	The PW LSP Ping and traceroute elements, however, are not specified		The PW LSP Ping and traceroute elements, however, are not specified
	for IPv6 address usage.		for IPv6 address usage.
	This document extends the PW LSP Ping and traceroute mechanisms so		This document extends the PW LSP Ping and traceroute mechanisms so
	skipping to change at page 1, line 47		skipping to change at page 1, line 47
	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 http://datatracker.ietf.org/drafts/current/.		Drafts is at http://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 March 7, 2013.		This Internet-Draft will expire on April 14, 2013.
	Copyright Notice		Copyright Notice
	Copyright (c) 2012 IETF Trust and the persons identified as the		Copyright (c) 2012 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
	carefully, as they describe your rights and restrictions with respect		carefully, as they describe your rights and restrictions with respect
	skipping to change at page 3, line 47		skipping to change at page 3, line 47
	sub-TLV and IPv6 FEC 129 Pseudowire sub-TLV) to extend the		sub-TLV and IPv6 FEC 129 Pseudowire sub-TLV) to extend the
	application of PW LSP Ping and traceroute to the IPv6 usage when an		application of PW LSP Ping and traceroute to the IPv6 usage when an
	IPv6 LDP session [I-D.ietf-mpls-ldp-ipv6] is used to signal the		IPv6 LDP session [I-D.ietf-mpls-ldp-ipv6] is used to signal the
	Pseudowire. Note that FEC 128 Pseudowire (Deprecated) is not defined		Pseudowire. Note that FEC 128 Pseudowire (Deprecated) is not defined
	for IPv6 in this document.		for IPv6 in this document.
	2. IPv4 Pseudowire Sub-TLVs		2. IPv4 Pseudowire Sub-TLVs
	This document updates Section 3.2 and Sections 3.2.8 through 3.2.10		This document updates Section 3.2 and Sections 3.2.8 through 3.2.10
	of [RFC4379] as follows and as indicated in Section 4 and Section 6.		of [RFC4379] as follows and as indicated in Section 4 and Section 6.
	This is done to avoid any potential ambiguity, confusion, and		This is done to avoid any potential ambiguity and confusion, and to
	backwards compatibility issues.		clarify that these TLVs carry only IPv4 addresses. Note that the
			changes are limited to the names of fields; there are no semantic
			changes.
	Sections 3.2.8 through 3.2.10 of [RFC4379] list the PW sub-TLVs and		Sections 3.2.8 through 3.2.10 of [RFC4379] list the PW sub-TLVs and
	state:		state:
	"FEC 128" Pseudowire (Deprecated)		"FEC 128" Pseudowire (Deprecated)
	"FEC 128" Pseudowire		"FEC 128" Pseudowire
	"FEC 129" Pseudowire		"FEC 129" Pseudowire
	skipping to change at page 7, line 37		skipping to change at page 7, line 37
	IANA is requested to perform the following assignments in the "Multi-		IANA is requested to perform the following assignments in the "Multi-
	Protocol Label Switching (MPLS) Label Switched Paths (LSPs) Ping		Protocol Label Switching (MPLS) Label Switched Paths (LSPs) Ping
	Parameters" registry, "TLVs and sub-TLVs" sub-registry.		Parameters" registry, "TLVs and sub-TLVs" sub-registry.
	[RFC Editor: To be REMOVED prior to publication. This registration		[RFC Editor: To be REMOVED prior to publication. This registration
	should take place at <http://www.iana.org/assignments/		should take place at <http://www.iana.org/assignments/
	mpls-lsp-ping-parameters/		mpls-lsp-ping-parameters/
	mpls-lsp-ping-parameters.xml#mpls-lsp-ping-parameters-7>]		mpls-lsp-ping-parameters.xml#mpls-lsp-ping-parameters-7>]
	Update the Value fields of these three Sub-TLVs, adding the "IPv4"		Update the names of the Value fields of these three Sub-TLVs, adding
	qualifier (see Section 2), and update the Reference to point to this		the "IPv4" qualifier (see Section 2), and update the Reference to
	document:		point to this document:
	Type Sub-Type Value Field		Type Sub-Type Value Field
	---- -------- -----------		---- -------- -----------
	1 9 IPv4 "FEC 128" Pseudowire (Deprecated)		1 9 IPv4 "FEC 128" Pseudowire (Deprecated)
	1 10 IPv4 "FEC 128" Pseudowire		1 10 IPv4 "FEC 128" Pseudowire
	1 11 IPv4 "FEC 129" Pseudowire		1 11 IPv4 "FEC 129" Pseudowire
	Create two new entries for the Sub-Type field of Target FEC TLV (see		Create two new entries for the Sub-Type field of Target FEC TLV (see
	Section 3):		Section 3):
	skipping to change at page 8, line 18		skipping to change at page 8, line 18
	1 TBD2 IPv6 "FEC 129" Pseudowire		1 TBD2 IPv6 "FEC 129" Pseudowire
	7. Security Considerations		7. Security Considerations
	This draft does not introduce any new security issues, the security		This draft does not introduce any new security issues, the security
	mechanisms defined in [RFC4379] apply here.		mechanisms defined in [RFC4379] apply here.
	8. Acknowledgements		8. Acknowledgements
	The authors gratefully acknowledge review and comments of Vanson Lim,		The authors gratefully acknowledge review and comments of Vanson Lim,
	Tom Petch, Spike Curtis, and Loa Andersson.		Tom Petch, Spike Curtis, Loa Andersson, and Kireeti Kompella.
	9. References		9. References
	9.1. Normative References		9.1. 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, March 1997.		Requirement Levels", BCP 14, RFC 2119, March 1997.
	[RFC4379] Kompella, K. and G. Swallow, "Detecting Multi-Protocol		[RFC4379] Kompella, K. and G. Swallow, "Detecting Multi-Protocol
	Label Switched (MPLS) Data Plane Failures", RFC 4379,		Label Switched (MPLS) Data Plane Failures", RFC 4379,
	skipping to change at page 8, line 41		skipping to change at page 8, line 41
	9.2. Informative References		9.2. Informative References
	[I-D.ietf-mpls-ldp-ipv6]		[I-D.ietf-mpls-ldp-ipv6]
	Asati, R., Manral, V., Papneja, R., and C. Pignataro,		Asati, R., Manral, V., Papneja, R., and C. Pignataro,
	"Updates to LDP for IPv6", draft-ietf-mpls-ldp-ipv6-07		"Updates to LDP for IPv6", draft-ietf-mpls-ldp-ipv6-07
	(work in progress), June 2012.		(work in progress), June 2012.
	[I-D.ietf-mpls-return-path-specified-lsp-ping]		[I-D.ietf-mpls-return-path-specified-lsp-ping]
	Chen, M., Cao, W., Ning, S., JOUNAY, F., and S. DeLord,		Chen, M., Cao, W., Ning, S., JOUNAY, F., and S. DeLord,
	"Return Path Specified LSP Ping",		"Return Path Specified LSP Ping",
	draft-ietf-mpls-return-path-specified-lsp-ping-08 (work in		draft-ietf-mpls-return-path-specified-lsp-ping-10 (work in
	progress), August 2012.		progress), September 2012.
	Authors' Addresses		Authors' Addresses
	Mach(Guoyi) Chen		Mach(Guoyi) Chen
	Huawei Technologies Co., Ltd		Huawei Technologies Co., Ltd
	No. 3 Xinxi Road, Shang-di, Hai-dian District		No. 3 Xinxi Road, Shang-di, Hai-dian District
	Beijing 100085		Beijing 100085
	China		China
	Email: mach@huawei.com		Email: mach@huawei.com
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