Transparent Interconnection of Lots of Links (TRILL) Operations, Administration, and Maintenance (OAM) Framework
RFC 7174

 
Document Type RFC - Informational (May 2014; No errata)
Last updated 2014-05-07
Replaces draft-salam-trill-oam-framework
Stream IETF
Formats plain text pdf html
Stream WG state Submitted to IESG for Publication Nov 2012 Feb 2014
Consensus Yes
Document shepherd Jon Hudson
Shepherd write-up Show (last changed 2013-09-23)
IESG IESG state RFC 7174 (Informational)
Telechat date
Responsible AD Ted Lemon
Send notices to trill-chairs@ietf.org, draft-ietf-trill-oam-framework@ietf.org
IANA IANA review state Version Changed - Review Needed
IANA action state RFC-Ed-Ack

Email authors IPR References Referenced by Nits Search lists

Internet Engineering Task Force (IETF)                          S. Salam
Request for Comments: 7174                               T. Senevirathne
Category: Informational                                            Cisco
ISSN: 2070-1721                                                S. Aldrin
                                                         D. Eastlake 3rd
                                                                  Huawei
                                                                May 2014

          Transparent Interconnection of Lots of Links (TRILL)
      Operations, Administration, and Maintenance (OAM) Framework

Abstract

   This document specifies a reference framework for Operations,
   Administration, and Maintenance (OAM) in Transparent Interconnection
   of Lots of Links (TRILL) networks.  The focus of the document is on
   the fault and performance management aspects of TRILL OAM.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7174.

Copyright Notice

   Copyright (c) 2014 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
   to this document.  Code Components extracted from this document must

Salam, et al.                 Informational                     [Page 1]
RFC 7174                   TRILL OAM Framework                  May 2014

   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1. Introduction ....................................................3
      1.1. Terminology ................................................4
      1.2. Relationship to Other OAM Work .............................5
   2. TRILL OAM Model .................................................6
      2.1. OAM Layering ...............................................6
           2.1.1. Relationship to CFM .................................7
           2.1.2. Relationship to BFD .................................8
           2.1.3. Relationship to Link OAM ............................8
      2.2. TRILL OAM in the RBridge Port Model ........................8
      2.3. Network, Service, and Flow OAM ............................10
      2.4. Maintenance Domains .......................................10
      2.5. Maintenance Entity and Maintenance Entity Group ...........11
      2.6. MEPs and MIPs .............................................12
      2.7. Maintenance Point Addressing ..............................13
   3. OAM Frame Format ...............................................14
      3.1. Motivation ................................................14
      3.2. Determination of Flow Entropy .............................16
           3.2.1. Address Learning and Flow Entropy ..................16
      3.3. OAM Message Channel .......................................17
      3.4. Identification of OAM Messages ............................17
   4. Fault Management ...............................................18
      4.1. Proactive Fault Management Functions ......................18
           4.1.1. Fault Detection (Continuity Check) .................18
           4.1.2. Defect Indication ..................................19
                  4.1.2.1. Forward Defect Indication .................19
                  4.1.2.2. Reverse Defect Indication (RDI) ...........19
      4.2. On-Demand Fault Management Functions ......................20
           4.2.1. Connectivity Verification ..........................20
                  4.2.1.1. Unicast ...................................20
                  4.2.1.2. Multicast .................................21
           4.2.2. Fault Isolation ....................................21
   5. Performance Monitoring .........................................22
      5.1. Packet Loss ...............................................22
Show full document text