Service Function Chaining (SFC) Operations, Administration and Maintenance (OAM) Framework
draft-ietf-sfc-oam-framework-13

The information below is for an old version of the document
Document Type Active Internet-Draft (sfc WG)
Last updated 2020-05-07 (latest revision 2020-04-14)
Replaces draft-aldrin-sfc-oam-framework
Stream IETF
Intended RFC status Informational
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Stream WG state Submitted to IESG for Publication
Document shepherd Tal Mizrahi
Shepherd write-up Show (last changed 2019-12-16)
IESG IESG state IESG Evaluation::Revised I-D Needed
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Send notices to Tal Mizrahi <tal.mizrahi.phd@gmail.com>
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Internet Engineering Task Force                                S. Aldrin
Internet-Draft                                                    Google
Intended status: Informational                         C. Pignataro, Ed.
Expires: October 16, 2020                                  N. Kumar, Ed.
                                                                   Cisco
                                                             R. Krishnan
                                                                  VMware
                                                             A. Ghanwani
                                                                    Dell
                                                          April 14, 2020

                    Service Function Chaining (SFC)
       Operations, Administration and Maintenance (OAM) Framework
                    draft-ietf-sfc-oam-framework-13

Abstract

   This document provides a reference framework for Operations,
   Administration and Maintenance (OAM) for Service Function Chaining
   (SFC).

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in RFC
   2119 [RFC2119] RFC 8174 [RFC8174] when and only when, they appear in
   all capitals, as shown here.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   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 https://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 October 16, 2020.

Aldrin, et al.          Expires October 16, 2020                [Page 1]
Internet-Draft              SFC OAM Framework                 April 2020

Copyright Notice

   Copyright (c) 2020 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
   (https://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
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   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.  Document Scope  . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  Acronyms and Terminology  . . . . . . . . . . . . . . . .   4
       1.2.1.  Acronyms  . . . . . . . . . . . . . . . . . . . . . .   4
       1.2.2.  Terminology . . . . . . . . . . . . . . . . . . . . .   5
   2.  SFC Layering Model  . . . . . . . . . . . . . . . . . . . . .   5
   3.  SFC OAM Components  . . . . . . . . . . . . . . . . . . . . .   6
     3.1.  The SF Component  . . . . . . . . . . . . . . . . . . . .   7
       3.1.1.  SF Availability . . . . . . . . . . . . . . . . . . .   7
       3.1.2.  SF Performance Measurement  . . . . . . . . . . . . .   8
     3.2.  The SFC Component . . . . . . . . . . . . . . . . . . . .   8
       3.2.1.  SFC Availability  . . . . . . . . . . . . . . . . . .   9
       3.2.2.  SFC Performance Measurement . . . . . . . . . . . . .   9
     3.3.  The Classifier Component  . . . . . . . . . . . . . . . .   9
     3.4.  Underlay Network  . . . . . . . . . . . . . . . . . . . .  10
     3.5.  Overlay Network . . . . . . . . . . . . . . . . . . . . .  10
   4.  SFC OAM Functions . . . . . . . . . . . . . . . . . . . . . .  10
     4.1.  Connectivity Functions  . . . . . . . . . . . . . . . . .  10
     4.2.  Continuity Functions  . . . . . . . . . . . . . . . . . .  11
     4.3.  Trace Functions . . . . . . . . . . . . . . . . . . . . .  11
     4.4.  Performance Measurement Functions . . . . . . . . . . . .  12
   5.  Gap Analysis  . . . . . . . . . . . . . . . . . . . . . . . .  12
     5.1.  Existing OAM Functions  . . . . . . . . . . . . . . . . .  12
     5.2.  Missing OAM Functions . . . . . . . . . . . . . . . . . .  13
     5.3.  Required OAM Functions  . . . . . . . . . . . . . . . . .  13
   6.  Candidate SFC OAM Tools . . . . . . . . . . . . . . . . . . .  13
     6.1.  SFC OAM Packet Marker . . . . . . . . . . . . . . . . . .  13
     6.2.  OAM Packet Processing and Forwarding Semantic . . . . . .  14
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