draft-ietf-mpls-ipv6-pw-lsp-ping-02.txt   draft-ietf-mpls-ipv6-pw-lsp-ping-03.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: April 14, 2013 C. Pignataro Expires: April 27, 2013 C. Pignataro
R. Asati R. Asati
Cisco Cisco
October 11, 2012 October 24, 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-02 draft-ietf-mpls-ipv6-pw-lsp-ping-03
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
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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 April 14, 2013. This Internet-Draft will expire on April 27, 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
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
~ Remote PE IPv6 Address ~ ~ Remote PE IPv6 Address ~
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| PW ID | | PW ID |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| PW Type | Must Be Zero | | PW Type | Must Be Zero |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 1: IPv6 FEC 128 Pseudowire Figure 1: IPv6 FEC 128 Pseudowire
IPv6 FEC 128 PW Type: TBD. 2 octets. IPv6 FEC 128 PW Type: TBD1. 2 octets.
Length: Defines the length in octets of the value field of the sub- Length: Defines the length in octets of the value field of the sub-
TLV and its value is 38. 2 octets. TLV and its value is 38. 2 octets.
Sender's PE IPv6 Address: The source IP address of the target IPv6 Sender's PE IPv6 Address: The source IP address of the target IPv6
LDP session. 16 octets. LDP session. 16 octets.
Remote PE IPv6 Address: The destination IP address of the target IPv6 Remote PE IPv6 Address: The destination IP address of the target IPv6
LDP session. 16 octets. LDP session. 16 octets.
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| AII Type | TAII Length | TAII Value | | AII Type | TAII Length | TAII Value |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
~ TAII Value (continued) ~ ~ TAII Value (continued) ~
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| TAII (cont.) | 0-3 octets of zero padding | | TAII (cont.) | 0-3 octets of zero padding |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Figure 2: IPv6 FEC 129 Pseudowire Figure 2: IPv6 FEC 129 Pseudowire
IPv6 FEC 129 PW Type: TBD. 2 octets. IPv6 FEC 129 PW Type: TBD2. 2 octets.
Length: Defines the length in octets of the value field of the sub- Length: Defines the length in octets of the value field of the sub-
TLV. 2 octets TLV. 2 octets
The length of this TLV is 40 + AGI length + SAII length + TAII The length of this TLV is 40 + AGI length + SAII length + TAII
length. Padding is used to make the total length a multiple of 4; length. Padding is used to make the total length a multiple of 4;
the length of the padding is not included in the Length field. the length of the padding is not included in the Length field.
Sender's PE IPv6 Address: The source IP address of the target IPv6 Sender's PE IPv6 Address: The source IP address of the target IPv6
LDP session. 16 octets. LDP session. 16 octets.
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FEC Stack. Per the change described in Section 2 and Section 3, the FEC Stack. Per the change described in Section 2 and Section 3, the
table would show the following: table would show the following:
Sub-Type Length Value Field Sub-Type Length Value Field
-------- ------ ----------- -------- ------ -----------
... ...
9 10 IPv4 "FEC 128" Pseudowire (deprecated) 9 10 IPv4 "FEC 128" Pseudowire (deprecated)
10 14 IPv4 "FEC 128" Pseudowire 10 14 IPv4 "FEC 128" Pseudowire
11 16+ IPv4 "FEC 129" Pseudowire 11 16+ IPv4 "FEC 129" Pseudowire
... ...
TBD 38 IPv6 "FEC 128" Pseudowire TBD1 38 IPv6 "FEC 128" Pseudowire
TBD 40+ IPv6 "FEC 129" Pseudowire TBD2 40+ IPv6 "FEC 129" Pseudowire
5. Operation 5. Operation
This document does not define any new procedures. The process This document does not define any new procedures. The process
described in [RFC4379] MUST be used. described in [RFC4379] MUST be used.
6. IANA Considerations 6. IANA Considerations
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>]
The following Sub-TLV changes, which comprise three updates and two
additions, are made for two TLV Types in the aforementioned sub-
registry: TLV Type 1 for "Target FEC Stack", and TLV Type 21 for
"Reply Path".
Update the names of the Value fields of these three Sub-TLVs, adding Update the names of the Value fields of these three Sub-TLVs, adding
the "IPv4" qualifier (see Section 2), and update the Reference to the "IPv4" qualifier (see Section 2), and update the Reference to
point to this document: also 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):
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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-10 (work in draft-ietf-mpls-return-path-specified-lsp-ping-11 (work in
progress), September 2012. progress), October 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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