Network Service Header
draft-quinn-sfc-nsh-04

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Document Type Active Internet-Draft (individual)
Last updated 2014-12-15
Replaces draft-quinn-nsh
Replaced by draft-ietf-sfc-nsh, rfc8300
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Network Working Group                                           P. Quinn
Internet-Draft                                               J. Guichard
Intended status: Standards Track                                S. Kumar
Expires: June 18, 2015                                          M. Smith
                                                     Cisco Systems, Inc.
                                                           W. Henderickx
                                                          Alcatel-Lucent
                                                               T. Nadeau
                                                                 Brocade
                                                              P. Agarwal
                                                                R. Manur
                                                                Broadcom
                                                              A. Chauhan
                                                                  Citrix
                                                                S. Majee
                                                                      F5
                                                                U. Elzur
                                                                   Intel
                                                               D. Melman
                                                                 Marvell
                                                                 P. Garg
                                                               Microsoft
                                                            B. McConnell
                                                               Rackspace
                                                               C. Wright
                                                            Red Hat Inc.
                                                               K. Glavin
                                                                Riverbed
                                                       December 15, 2014

                         Network Service Header
                       draft-quinn-sfc-nsh-04.txt

Abstract

   This draft describes a Network Service Header (NSH) inserted onto
   encapsulated packets or frames to realize service function paths.
   NSH also provides a mechanism for metadata exchange along the
   instantiated service path.

Quinn, et al.             Expires June 18, 2015                 [Page 1]
Internet-Draft           Network Service Header            December 2014

1.  Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

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
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   This Internet-Draft will expire on June 18, 2015.

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
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   described in the Simplified BSD License.

Quinn, et al.             Expires June 18, 2015                 [Page 2]
Internet-Draft           Network Service Header            December 2014

Table of Contents

   1.  Requirements Language  . . . . . . . . . . . . . . . . . . . .  2
   2.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     2.1.  Definition of Terms  . . . . . . . . . . . . . . . . . . .  4
     2.2.  Problem Space  . . . . . . . . . . . . . . . . . . . . . .  6
   3.  Network Service Header . . . . . . . . . . . . . . . . . . . .  8
     3.1.  Network Service Header Format  . . . . . . . . . . . . . .  8
     3.2.  NSH Base Header  . . . . . . . . . . . . . . . . . . . . .  8
     3.3.  Service Path Header  . . . . . . . . . . . . . . . . . . . 10
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