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The Application Exchange (APEX) Presence Service (RFC3343)

IP.com Disclosure Number: IPCOM000012361D
Original Publication Date: 2003-Apr-01
Included in the Prior Art Database: 2003-May-01
Document File: 24 page(s) / 42K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Rose: AUTHOR [+3]

Abstract

This memo describes the Application Exchange (APEX) presence service, addressed as the well-known endpoint "apex=presence". The presence service is used to manage presence information for APEX endpoints.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 6% of the total text.

Network Working Group                                            M. Rose

Request for Comments: 3343                  Dover Beach Consulting, Inc.

Category: Experimental                                          G. Klyne

                                                            Nine by Nine

                                                              D. Crocker

                                             Brandenburg InternetWorking

                                                              April 2003

            The Application Exchange (APEX) Presence Service

Status of this Memo

   This memo defines an Experimental Protocol for the Internet

   community.  It does not specify an Internet standard of any kind.

   Discussion and suggestions for improvement are requested.

   Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

Abstract

   This memo describes the Application Exchange (APEX) presence service,

   addressed as the well-known endpoint "apex=presence".  The presence

   service is used to manage presence information for APEX endpoints.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2

   2.  Use and Management of Presence Information . . . . . . . . . .  3

   2.1 Update of Presence Information . . . . . . . . . . . . . . . .  3

   2.2 Distribution of Presence Information . . . . . . . . . . . . .  4

   2.3 Distribution of Watcher Information  . . . . . . . . . . . . .  7

   3.  Format of Presence Entries . . . . . . . . . . . . . . . . . . 10

   4.  The Presence Service . . . . . . . . . . . . . . . . . . . . . 11

   4.1 Use of XML and MIME  . . . . . . . . . . . . . . . . . . . . . 12

   4.2 The Subscribe Operation  . . . . . . . . . . . . . . . . . . . 13

   4.3 The Watch Operation  . . . . . . . . . . . . . . . . . . . . . 14

   4.4 The Publish Operation  . . . . . . . . . . . . . . . . . . . . 15

   4.5 The Terminate Operation  . . . . . . . . . . . . . . . . . . . 17

   4.6 The Notify Operation . . . . . . . . . . . . . . . . . . . . . 17

   4.7 The Reply Operation  . . . . . . . . . . . . . . . . . . . . . 18

   5.  Registration: The Presence Service . . . . . . . . . . . . . . 18

   6.  The Presence Service DTD . . . . . . . . . . . . . . . . . . . 18

   7.  Security Considerations  . . . . . . . . . . . . . . . . . . . 21

       References . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Rose, et al.                  Experimental                      [Page 1]

RFC 3343        The Application Exchange (APEX) Presen...