RFC 7315 Updates
draft-holmberg-dispatch-rfc7315-updates-01

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Last updated 2015-12-08
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Network Working Group                                        C. Holmberg
Internet-Draft                                                N. Biondic
Updates: 7315 (if approved)                                     Ericsson
Intended status: Informational                              G. Salgueiro
Expires: June 10, 2016                                             Cisco
                                                        December 8, 2015

                            RFC 7315 Updates
               draft-holmberg-dispatch-rfc7315-updates-01

Abstract

   The 3rd-Generation Partnership Project 3GPP has identified cases
   where different SIP private header extensions referred to as P-
   header fields, defined in RFC 7315, need to be included in SIP
   requests and responses currently not allowed according to RFC 7315.
   This document updates RFC 7315, in order to allow inclusion of the
   affected P- header fields in such requests and responses.

   In order to get a complete picture, this document also contains a set
   of errata that are to be filed against RFC 7315, in order to fix
   misalignments that occurred when RFC 3455 was updated and obsoleted
   by RFC 7315.

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 10, 2016.

Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Internet-Draft                7315 Updates                 December 2015

   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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Errata to RFC 7315  . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  General . . . . . . . . . . . . . . . . . . . . . . . . .   3
     3.2.  Correction to section 5.7 of RFC 7315 . . . . . . . . . .   3
   4.  Update to RFC 7315  . . . . . . . . . . . . . . . . . . . . .   4
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   6
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   6
   7.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .   6
   8.  Change Log  . . . . . . . . . . . . . . . . . . . . . . . . .   6
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   6
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .   6
     9.2.  Informative References  . . . . . . . . . . . . . . . . .   7
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   7

1.  Introduction

   The 3rd-Generation Partnership Project (3GPP) has identified cases
   where different Session Initiation Protocol (SIP) [RFC3261] private
   header extensions referred to as P- header fields, defined in RFC
   7315 [RFC7315], need to be included in SIP requests and responses
   currently not allowed according to RFC 7315.  This document updates
   RFC 7315, in order to allow inclusion of the affected P- header
   fields in such requests and responses.

   In order to get a complete picture, this document also contains a set
   of errata that are to be filed against RFC 7315, in order to fix
   misalignments that occurred when RFC 3455 [RFC3455] was updated and
   obsoleted by RFC 7315.

   This document updates RFC 7315 [RFC7315], by allowing the insertion
   of the P-Access-Network-Info header field in SIP ACK requests.

   As the P- header fields are mainly used in (and in most cases, only
   defined for) networks defined by the 3rd-Generation Partnership
   Project (3GPP), where the updates defined in this document are

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