Service Function Chaining (SFC) Architecture
draft-quinn-sfc-arch-03

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Last updated 2014-01-24
Replaces draft-quinn-nsc-arch
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Network Working Group                                           P. Quinn
Internet-Draft                                                   K. Gray
Intended status: Informational                               J. Guichard
Expires: July 26, 2014                                          S. Kumar
                                                            C. Pignataro
                                                                M. Smith
                                                                N. Yadav
                                                     Cisco Systems, Inc.
                                                              P. Agarwal
                                                                R. Manur
                                                                Broadcom
                                                              N. Leymann
                                                        Deutsche Telekom
                                                             A. Beliveau
                                                                Ericsson
                                                               T. Nadeau
                                                             Lucidvision
                                                               K. Glavin
                                                                Riverbed
                                                        January 22, 2014

              Service Function Chaining (SFC) Architecture
                      draft-quinn-sfc-arch-03.txt

Abstract

   This document describes an architecture used for the creation of
   Service Function Chains (SFC).  It includes architectural concepts,
   principles, and components used in the construction of composite
   services through deployment of SFCs in a network.  This document does
   not propose solutions, protocols, or extensions to existing
   protocols.

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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   material or to cite them other than as "work in progress."

Quinn, et al.             Expires July 26, 2014                 [Page 1]
Internet-Draft              SFC Architecture                January 2014

   This Internet-Draft will expire on July 26, 2014.

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
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   publication of this document.  Please review these documents
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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.

Quinn, et al.             Expires July 26, 2014                 [Page 2]
Internet-Draft              SFC Architecture                January 2014

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1.  Scope  . . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.2.  Definition of Terms  . . . . . . . . . . . . . . . . . . .  4
     1.3.  Service Function Chaining  . . . . . . . . . . . . . . . .  5
   2.  Architectural Concepts . . . . . . . . . . . . . . . . . . . .  7
     2.1.  Service Function Chains  . . . . . . . . . . . . . . . . .  7
     2.2.  Service Function Chain Symmetry  . . . . . . . . . . . . .  8
     2.3.  Service Function Paths . . . . . . . . . . . . . . . . . .  8
   3.  Service Function Chaining Architecture . . . . . . . . . . . .  9
     3.1.  Architecture Principles  . . . . . . . . . . . . . . . . .  9
     3.2.  Fundamental Components . . . . . . . . . . . . . . . . . .  9
   4.  Summary  . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
   5.  Security Considerations  . . . . . . . . . . . . . . . . . . . 14
   6.  Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 15
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 16
   8.  References . . . . . . . . . . . . . . . . . . . . . . . . . . 17
     8.1.  Normative References . . . . . . . . . . . . . . . . . . . 17
     8.2.  Informative References . . . . . . . . . . . . . . . . . . 17
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