The Session Initiation Protocol (SIP) P-Private-Network-Indication Private-Header (P-Header)
draft-vanelburg-dispatch-private-network-ind-02

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Last updated 2013-07-12
Replaces draft-vanelburg-sipping-private-network-indication
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DISPATCH Working Group                                     J. van Elburg
Internet-Draft                                Detecon International Gmbh
Intended status: Informational                                  K. Drage
Expires: January 13, 2014                                 Alcatel-Lucent
                                                               M. Ohsugi
                                                             S. Schubert
                                                                 K. Arai
                                                                     NTT
                                                           July 12, 2013

   The Session Initiation Protocol (SIP) P-Private-Network-Indication
                       Private-Header (P-Header)
            draft-vanelburg-dispatch-private-network-ind-02

Abstract

   This document specifies the SIP P-Private-Network-Indication P-header
   used by the 3rd-Generation Partnership Project (3GPP).  The use of
   this private network indication extension is only applicable inside
   an administrative domain with previously agreed-upon policies for
   generation, transport and usage of such information.  A private
   network indication allows nodes in such a domain to treat private
   network traffic according to a different set of rules than the set
   applicable to public network traffic.  The indication also
   distinguishes traffic from one private network from another private
   network.

Status of this Memo

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Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the

van Elburg, et al.      Expires January 13, 2014                [Page 1]
Internet-Draft         private network indication              July 2013

   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1.  Overview . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.2.  Applicability  . . . . . . . . . . . . . . . . . . . . . .  4
     1.3.  Backgrounds  . . . . . . . . . . . . . . . . . . . . . . .  4
     1.4.  Business communication . . . . . . . . . . . . . . . . . .  4
     1.5.  Indication types . . . . . . . . . . . . . . . . . . . . .  5
   2.  Conventions  . . . . . . . . . . . . . . . . . . . . . . . . .  6
   3.  Definitions  . . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.1.  Traffic  . . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.2.  Public network traffic . . . . . . . . . . . . . . . . . .  7
     3.3.  Private network traffic  . . . . . . . . . . . . . . . . .  7
     3.4.  Trust domain . . . . . . . . . . . . . . . . . . . . . . .  7
   4.  Application of terminology . . . . . . . . . . . . . . . . . .  7
   5.  Requirements . . . . . . . . . . . . . . . . . . . . . . . . . 10
   6.  Overview of solution . . . . . . . . . . . . . . . . . . . . . 11
   7.  Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
     7.1.  Proxy behavior . . . . . . . . . . . . . . . . . . . . . . 12
       7.1.1.  P-Private-Network-Indication generation  . . . . . . . 12
       7.1.2.  Private-Network-Indication consumption . . . . . . . . 12
       7.1.3.  P-Private-Network-Indication removal . . . . . . . . . 12
   8.  P-Private-Network-Indication header field definition . . . . . 12
   9.  Security considerations  . . . . . . . . . . . . . . . . . . . 13
   10. IANA considerations  . . . . . . . . . . . . . . . . . . . . . 14
   11. Acknowledgments  . . . . . . . . . . . . . . . . . . . . . . . 14
   12. References . . . . . . . . . . . . . . . . . . . . . . . . . . 14
     12.1. Normative references . . . . . . . . . . . . . . . . . . . 14
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