The Jabber-ID Header Field
draft-saintandre-jabberid-09

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Network Working Group                                     P. Saint-Andre
Internet-Draft                                       Cisco Systems, Inc.
Intended status: Informational                        September 20, 2013
Expires: March 24, 2014

                       The Jabber-ID Header Field
                      draft-saintandre-jabberid-09

Abstract

   This document defines a header field that enables the author of an
   email or netnews message to include a Jabber Identifier in the
   message header block for the purpose of associating the author with a
   particular Extensible Messaging and Presence Protocol (XMPP) address.

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 March 24, 2014.

Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 3
   2.  Syntax  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
   3.  Implementation Notes  . . . . . . . . . . . . . . . . . . . . . 4
     3.1.  Inclusion . . . . . . . . . . . . . . . . . . . . . . . . . 4
     3.2.  Generation  . . . . . . . . . . . . . . . . . . . . . . . . 4
     3.3.  Processing  . . . . . . . . . . . . . . . . . . . . . . . . 4
     3.4.  Disposition . . . . . . . . . . . . . . . . . . . . . . . . 5
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 5
   5.  Security Considerations . . . . . . . . . . . . . . . . . . . . 5
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 6
     6.1.  Normative References  . . . . . . . . . . . . . . . . . . . 6
     6.2.  Informative References  . . . . . . . . . . . . . . . . . . 6
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . . . 7

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1.  Introduction

   The Extensible Messaging and Presence Protocol (XMPP), documented in
   [RFC6120], is a streaming XML technology that enables any two
   entities on a network to exchange well-defined but extensible XML
   elements (called "XML stanzas") in close to real time.  Given XMPP's
   heritage in the Jabber open-source community, one of the primary uses
   for XMPP is instant messaging and presence as documented in
   [RFC6121], and XMPP addresses are still referred to as Jabber IDs.

   Because almost all human users of Jabber/XMPP instant messaging and
   presence systems also use email systems [RFC5322] and because many
   such users also use netnews systems [RFC5536], it can be helpful for
   such users to specify their Jabber IDs in the messages they author.
   The Jabber-ID header field provides a standard location for that
   information.  Members of the XMPP instant messaging and presence
   community have been experimenting with this usage for many years.  As
   a result, this document provides informational documentation
   regarding the syntax and implementation of the Jabber-ID header
   field, including the information necessary to register the Jabber-ID
   field in the Provisional Message Header Field Registry maintained by
   the IANA.

2.  Syntax

   The syntax of the Jabber-ID header field is defined below using
   Augmented Backus-Naur Form [RFC5234], where the "pathxmpp" rule is
   defined in the XMPP URI specification [RFC5122] and the remaining
   rules are defined in the Internet Message Format specification
   [RFC5322]:

      Jabber-ID = SP *WSP pathxmpp *WSP CRLF

   Although a native XMPP address can contain virtually any Unicode