| < draft-fulignoli-mpls-tp-bfd-cv-proactive-and-rdi-00.txt | draft-fulignoli-mpls-tp-bfd-cv-proactive-and-rdi-01.txt > | |||
|---|---|---|---|---|
| MPLS Working Group A. Fulignoli (Ed) | ||||
| MPLS Working Group A. Fulignoli (Ed.) | ||||
| Internet Draft Ericsson | Internet Draft Ericsson | |||
| Intended status: Informational | Intended status: Informational | |||
| S. Boutros (Ed.) | ||||
| Cisco Systems, Inc | ||||
| Expires: January 2010 July 2, 2009 | M.Vigoureux (Ed.) | |||
| Alcatel-Lucent | ||||
| Expires: January 2010 July 7, 2009 | ||||
| MPLS-TP BFD for Proactive CC-CV and RDI | MPLS-TP BFD for Proactive CC-CV and RDI | |||
| draft-fulignoli-mpls-tp-bfd-cv-proactive-and-rdi-00.txt | draft-fulignoli-mpls-tp-bfd-cv-proactive-and-rdi-01.txt | |||
| Status of this Memo | Status of this Memo | |||
| This Internet-Draft is submitted to IETF in full conformance | This Internet-Draft is submitted to IETF in full conformance | |||
| with the provisions of BCP 78 and BCP 79. | with the provisions of BCP 78 and BCP 79. | |||
| Internet-Drafts are working documents of the Internet | Internet-Drafts are working documents of the Internet | |||
| Engineering Task Force (IETF), its areas, and its working | Engineering Task Force (IETF), its areas, and its working | |||
| groups. Note that other groups may also distribute working | groups. Note that other groups may also distribute working | |||
| documents as Internet-Drafts. | documents as Internet-Drafts. | |||
| skipping to change at page 2, line 27 ¶ | skipping to change at page 2, line 29 ¶ | |||
| This document specifies the BFD extension and behaviour to meet | This document specifies the BFD extension and behaviour to meet | |||
| the requirements for MPLS-TP proactive Continuity Check and | the requirements for MPLS-TP proactive Continuity Check and | |||
| Connectivity Verification functionality and the RDI | Connectivity Verification functionality and the RDI | |||
| functionality as defined in [3]. | functionality as defined in [3]. | |||
| Table of Contents | Table of Contents | |||
| 1. Introduction...................................................3 | 1. Introduction...................................................3 | |||
| 1.1. Terminology..................................................4 | 1.1. Terminology..................................................4 | |||
| 2. Trail Termination Source Identifier (TTSI) TLV Object..........4 | 2. Trail Termination Source Identifier (TTSI) TLV Object..........4 | |||
| 2.1. Unique ME Identifier.........................................5 | 2.1. Unique ME Identifier.........................................6 | |||
| 2.1.1. LSP ME ID IPv4 Source/Destination Address Format...........6 | 2.1.1. LSP ME ID IPv4 Source/Destination Address Format...........7 | |||
| 2.1.2. LSP ME ID IPv6 Source/Destination Address Format...........8 | 2.1.2. LSP ME ID IPv6 Source/Destination Address Format...........8 | |||
| 2.1.3. Type FEC128PWv4 Format.....................................9 | 2.1.3. Type FEC128PWv4 Format.....................................9 | |||
| 2.1.4. Type FEC128PWv6 Format.....................................9 | 2.1.4. Type FEC128PWv6 Format.....................................9 | |||
| 2.1.5. ICC-based Format...........................................9 | 2.1.5. ICC-based Format...........................................9 | |||
| 3. Two different ACH encapsulation of BFD tool...................10 | 3. Two different ACH encapsulation of BFD tool...................11 | |||
| 3.1. Current BFD with only CC functionality......................11 | 3.1. Current BFD with only CC functionality......................11 | |||
| 3.2. New tool based on current BFD...............................12 | 3.2. New tool based on current BFD...............................12 | |||
| 4. Backward compatibility........................................13 | 4. Backward compatibility........................................13 | |||
| 5. BFD behavior specification for MPLS-TP OAM proactive CC&CV....13 | 5. BFD behavior specification for MPLS-TP OAM proactive CC&CV....13 | |||
| 5.1. BFD State Machine...........................................14 | 5.1. BFD State Machine...........................................14 | |||
| 5.2. Defect conditions...........................................18 | 5.2. Defect conditions...........................................18 | |||
| 5.2.1. Loss of Continuity defect(dLOC)...........................18 | 5.2.1. Loss of Continuity defect(dLOC)...........................18 | |||
| 5.2.2. Mis-connectivity defect (dUNME)...........................18 | 5.2.2. Mis-connectivity defect (dUNME)...........................18 | |||
| 5.2.3. Unexpected MEP ID defect (dUNM)...........................18 | 5.2.3. Unexpected MEP ID defect (dUNM)...........................18 | |||
| 5.2.4. Unexpected Period Defect (dUNP)...........................18 | 5.2.4. Unexpected Period Defect (dUNP)...........................18 | |||
| skipping to change at page 19, line 29 ¶ | skipping to change at page 19, line 29 ¶ | |||
| |dUNME |Unexpected ME Identifier |#UnexpMEId==0 (K*CV_Period) | | |dUNME |Unexpected ME Identifier |#UnexpMEId==0 (K*CV_Period) | | |||
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |||
| |dUNM |Unexpected MEP Id |#UnexpMEPId==0 (K*CV_Period) | | |dUNM |Unexpected MEP Id |#UnexpMEPId==0 (K*CV_Period) | | |||
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |||
| |dUNP |Unexpected Period |#UnexpPeriod==0 (K*CV_Period)| | |dUNP |Unexpected Period |#UnexpPeriod==0 (K*CV_Period)| | |||
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |||
| |dRDI | Rx RDI == 1 | Rx RDI ==0 | | |dRDI | Rx RDI == 1 | Rx RDI ==0 | | |||
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |||
| Table 1: Table of Raising Clearing Defect Conditions | Table 1: Table of Raising Clearing Defect Conditions | |||
| In Table 1, N and K are protocol constants to be defined; | In Table 1, N and K are protocol constants to be defined; the | |||
| the CV_Period corresponds to the configured transmission period; | CV_Period corresponds to the configured transmission period; | |||
| K value is stored in bfd.DetectMult variable while the CV_Period | K value is stored in bfd.DetectMult variable while the CV_Period | |||
| is stored bfd.DesiredMinTxInterval variable and carried in the | is stored bfd.DesiredMinTxInterval variable and carried in the | |||
| relative BFD packet fields. | relative BFD packet fields. | |||
| 5.3. Consequent action | 5.3. Consequent action | |||
| . If a MEP detects an unexpected ME Identifier, or an unexpected | . If a MEP detects an unexpected ME Identifier, or an unexpected | |||
| MEP, it MUST block (BLK) all the traffic (including also the | MEP, it MUST block (BLK) all the traffic (including also the | |||
| user data packets) that it receives from the misconnected | user data packets) that it receives from the misconnected | |||
| skipping to change at page 29, line 34 ¶ | skipping to change at page 29, line 34 ¶ | |||
| bfd-04.txt, Work in Progress, May 2009 | bfd-04.txt, Work in Progress, May 2009 | |||
| [8] Katz, D. and D. Ward, "Bidirectional Forwarding | [8] Katz, D. and D. Ward, "Bidirectional Forwarding | |||
| Detection", draft-ietf-bfd-base-09.txt (work in progress), | Detection", draft-ietf-bfd-base-09.txt (work in progress), | |||
| February 2009. | February 2009. | |||
| [9] Katz, D. and D. Ward, "BFD for Multipoint Networks", | [9] Katz, D. and D. Ward, "BFD for Multipoint Networks", | |||
| ID draft-katz-ward-bfd-multipoint-02.txt, February 2009 | ID draft-katz-ward-bfd-multipoint-02.txt, February 2009 | |||
| [10] S. Boutros, et. al., "Definition of ACH TLV Structure", | [10] S. Boutros, et. al., "Definition of ACH TLV Structure", | |||
| draft- bryant-mpls-tp-ach-tlv-00.txt, Work in | draft-bryant-mpls-tp-ach-tlv-00.txt, Work in | |||
| Progress, January 2009. | Progress, January 2009. | |||
| [11] A. Fulignoli, et. al.,''MPLS-TP Proactive Continuity and | [11] A. Fulignoli, et. al.,''MPLS-TP Proactive Continuity and | |||
| Connectivity Verification'', draft-fhbs-mpls-tp-cv- | Connectivity Verification'', draft-fhbs-mpls-tp-cv- | |||
| proactive-00.txt (work in progress), February 2009 | proactive-00.txt (work in progress), February 2009 | |||
| [12] Aggarwal, R., Kompella, K., Nadeau, T., and G. Swallow, | [12] Aggarwal, R., Kompella, K., Nadeau, T., and G. Swallow, | |||
| "BFD For MPLS LSPs", draft-ietf-bfd-mpls-07 (work | "BFD For MPLS LSPs", draft-ietf-bfd-mpls-07 (work | |||
| in progress), June 2008. | in progress), June 2008. | |||
| [13] Martini, L.and M.Morrow, ''Pseudo Wire (PW) OAM Message | [13] Martini, L.and M.Morrow, ''Pseudo Wire (PW) OAM Message | |||
| Mapping'', draft-eitd-pwe3-oam-msg-map-10 (work in | Mapping'', draft-eitd-pwe3-oam-msg-map-10 (work in | |||
| progress), April 2009 | progress), April 2009 | |||
| 14.2. Informative References | 14.2. Informative References | |||
| Authors' Addresses | Authors' Addresses | |||
| skipping to change at page 30, line 10 ¶ | skipping to change at page 30, line 10 ¶ | |||
| [13] Martini, L.and M.Morrow, ''Pseudo Wire (PW) OAM Message | [13] Martini, L.and M.Morrow, ''Pseudo Wire (PW) OAM Message | |||
| Mapping'', draft-eitd-pwe3-oam-msg-map-10 (work in | Mapping'', draft-eitd-pwe3-oam-msg-map-10 (work in | |||
| progress), April 2009 | progress), April 2009 | |||
| 14.2. Informative References | 14.2. Informative References | |||
| Authors' Addresses | Authors' Addresses | |||
| Annamaria Fulignoli (Editor) | Annamaria Fulignoli (Editor) | |||
| Ericsson | Ericsson | |||
| Email: annamaria.fulignoli@ericsson.com | Email: annamaria.fulignoli@ericsson.com | |||
| Sami Boutros | ||||
| Cisco Systems, Inc. | ||||
| Email: sboutros@cisco.com | ||||
| Martin Vigoureux | ||||
| Alcatel-Lucent | ||||
| Email: martin.vigoureux@alcatel-lucent.com | ||||
| End of changes. 12 change blocks. | ||||
| 12 lines changed or deleted | 16 lines changed or added | |||
This html diff was produced by rfcdiff 1.48. The latest version is available from http://tools.ietf.org/tools/rfcdiff/ | ||||