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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...