draft-ietf-mpls-lsp-ping-ttl-tlv-08.txt   draft-ietf-mpls-lsp-ping-ttl-tlv-09.txt 
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Intended Status: Standards Track George Swallow Intended Status: Standards Track George Swallow
Shaleen Saxena Shaleen Saxena
Cisco Systems Cisco Systems
Vishwas Manral Vishwas Manral
Hewlett Packard Co. Hewlett Packard Co.
Sam Aldrin Sam Aldrin
Huawei Technologies, Inc. Huawei Technologies, Inc.
Expires: January 31, 2015 July 30, 2014 Expires: February 5, 2015 August 4, 2014
Definition of Time-to-Live TLV for LSP-Ping Mechanisms Definition of Time-to-Live TLV for LSP-Ping Mechanisms
draft-ietf-mpls-lsp-ping-ttl-tlv-08.txt draft-ietf-mpls-lsp-ping-ttl-tlv-09.txt
Abstract Abstract
LSP-Ping is a widely deployed Operation, Administration, and LSP-Ping is a widely deployed Operation, Administration, and
Maintenance (OAM) mechanism in MPLS networks. However, in the present Maintenance (OAM) mechanism in MPLS networks. However, in the present
form, this mechanism is inadequate to verify connectivity of a form, this mechanism is inadequate to verify connectivity of a
segment of a Multi-Segment PseudoWire (MS-PW) and/or bidirectional segment of a Multi-Segment PseudoWire (MS-PW) and/or bidirectional
co-routed LSP from any node on the path of the MS-PW and/or co-routed LSP from any node on the path of the MS-PW and/or
bidirectional co-routed LSP. This document defines a TLV to address bidirectional co-routed LSP. This document defines a TLV to address
this shortcoming. this shortcoming.
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6. IANA Considerations 6. IANA Considerations
IANA is requested to assign TLV type value to the following TLV from IANA is requested to assign TLV type value to the following TLV from
the "Multiprotocol Label Switching Architecture (MPLS) Label Switched the "Multiprotocol Label Switching Architecture (MPLS) Label Switched
Paths (LSPs) Parameters - TLVs" registry, "TLVs and sub-TLVs" sub- Paths (LSPs) Parameters - TLVs" registry, "TLVs and sub-TLVs" sub-
registry. registry.
Time To Live TLV (See Section 3). The value MUST be assigned from the Time To Live TLV (See Section 3). The value MUST be assigned from the
range (32768-49161) of optional TLVs. range (32768-49161) of optional TLVs.
IANA is requested to allocate the value 32769.
7. Acknowledgements 7. Acknowledgements
The authors would like to thank Greg Mirsky for his comments. The authors would like to thank Greg Mirsky for his comments.
8. References 8. References
8.1 Normative References 8.1 Normative References
[1] K. Kompella, G. Swallow, "Detecting Multi-Protocol Label Switched [1] K. Kompella, G. Swallow, "Detecting Multi-Protocol Label Switched
(MPLS) Data Plane Failures", RFC 4379, February 2006. (MPLS) Data Plane Failures", RFC 4379, February 2006.
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