--- 1/draft-ietf-mpls-ipv6-pw-lsp-ping-02.txt 2012-10-24 22:15:08.805342641 +0200 +++ 2/draft-ietf-mpls-ipv6-pw-lsp-ping-03.txt 2012-10-24 22:15:08.821342921 +0200 @@ -1,22 +1,22 @@ Network Working Group M. Chen Internet-Draft Huawei Technologies Co., Ltd Updates: 4379 (if approved) P. Pan Intended status: Standards Track Infinera -Expires: April 14, 2013 C. Pignataro +Expires: April 27, 2013 C. Pignataro R. Asati Cisco - October 11, 2012 + October 24, 2012 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 Multi-Protocol Label Switching (MPLS) Label Switched Path (LSP) Ping and traceroute mechanisms are commonly used to detect and isolate data plane failures in all MPLS LSPs including Pseudowire (PW) LSPs. The PW LSP Ping and traceroute elements, however, are not specified for IPv6 address usage. This document extends the PW LSP Ping and traceroute mechanisms so @@ -36,21 +36,21 @@ Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at http://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months 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." - This Internet-Draft will expire on April 14, 2013. + This Internet-Draft will expire on April 27, 2013. Copyright Notice Copyright (c) 2012 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect @@ -170,21 +170,21 @@ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ~ Remote PE IPv6 Address ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | PW ID | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | PW Type | Must Be Zero | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 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- TLV and its value is 38. 2 octets. Sender's PE IPv6 Address: The source IP address of the target IPv6 LDP session. 16 octets. Remote PE IPv6 Address: The destination IP address of the target IPv6 LDP session. 16 octets. @@ -222,21 +222,21 @@ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | AII Type | TAII Length | TAII Value | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ~ TAII Value (continued) ~ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | TAII (cont.) | 0-3 octets of zero padding | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 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- TLV. 2 octets 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; 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 LDP session. 16 octets. @@ -257,42 +257,47 @@ FEC Stack. Per the change described in Section 2 and Section 3, the table would show the following: Sub-Type Length Value Field -------- ------ ----------- ... 9 10 IPv4 "FEC 128" Pseudowire (deprecated) 10 14 IPv4 "FEC 128" Pseudowire 11 16+ IPv4 "FEC 129" Pseudowire ... - TBD 38 IPv6 "FEC 128" Pseudowire - TBD 40+ IPv6 "FEC 129" Pseudowire + TBD1 38 IPv6 "FEC 128" Pseudowire + TBD2 40+ IPv6 "FEC 129" Pseudowire 5. Operation This document does not define any new procedures. The process described in [RFC4379] MUST be used. 6. IANA Considerations IANA is requested to perform the following assignments in the "Multi- Protocol Label Switching (MPLS) Label Switched Paths (LSPs) Ping Parameters" registry, "TLVs and sub-TLVs" sub-registry. [RFC Editor: To be REMOVED prior to publication. This registration should take place at ] + 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 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 ---- -------- ----------- 1 9 IPv4 "FEC 128" Pseudowire (Deprecated) 1 10 IPv4 "FEC 128" Pseudowire 1 11 IPv4 "FEC 129" Pseudowire Create two new entries for the Sub-Type field of Target FEC TLV (see Section 3): @@ -325,22 +330,22 @@ 9.2. Informative References [I-D.ietf-mpls-ldp-ipv6] Asati, R., Manral, V., Papneja, R., and C. Pignataro, "Updates to LDP for IPv6", draft-ietf-mpls-ldp-ipv6-07 (work in progress), June 2012. [I-D.ietf-mpls-return-path-specified-lsp-ping] Chen, M., Cao, W., Ning, S., JOUNAY, F., and S. DeLord, "Return Path Specified LSP Ping", - draft-ietf-mpls-return-path-specified-lsp-ping-10 (work in - progress), September 2012. + draft-ietf-mpls-return-path-specified-lsp-ping-11 (work in + progress), October 2012. Authors' Addresses Mach(Guoyi) Chen Huawei Technologies Co., Ltd No. 3 Xinxi Road, Shang-di, Hai-dian District Beijing 100085 China Email: mach@huawei.com