Presence Information Data Format (PIDF)
RFC 3863
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RFC - Proposed Standard
(August 2004; Errata)
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Last updated |
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2020-01-21
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IETF
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plain text
html
pdf
htmlized
with errata
bibtex
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WG state
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(None)
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Document shepherd |
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No shepherd assigned
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IESG state |
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RFC 3863 (Proposed Standard)
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Consensus Boilerplate |
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Unknown
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Telechat date |
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Responsible AD |
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Ted Hardie
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Send notices to |
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(None)
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Network Working Group H. Sugano
Request for Comments: 3863 S. Fujimoto
Category: Standards Track Fujitsu
G. Klyne
Nine by Nine
A. Bateman
VisionTech
W. Carr
Intel
J. Peterson
NeuStar
August 2004
Presence Information Data Format (PIDF)
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2004).
Abstract
This memo specifies the Common Profile for Presence (CPP) Presence
Information Data Format (PIDF) as a common presence data format for
CPP-compliant Presence protocols, and also defines a new media type
"application/pidf+xml" to represent the XML MIME entity for PIDF.
Table of Content
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Terminology and Conventions. . . . . . . . . . . . . . . 3
2. Design Decisions . . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Minimal Model. . . . . . . . . . . . . . . . . . . . . . 3
2.2. Added Features . . . . . . . . . . . . . . . . . . . . . 4
2.3. XML Encoding Decision. . . . . . . . . . . . . . . . . . 5
3. Overview of Presence Information Data Format . . . . . . . . . 5
3.1. The 'application/pidf+xml' Content Type. . . . . . . . . 5
3.2. Presence Information Contents. . . . . . . . . . . . . . 5
4. XML-encoded Presence Data Format . . . . . . . . . . . . . . . 6
4.1. XML Format Definitions . . . . . . . . . . . . . . . . . 6
Sugano, et al. Standards Track [Page 1]
RFC 3863 Presence Information Data Format August 2004
4.1.1. The <presence> element. . . . . . . . . . . . . . 6
4.1.2. The <tuple> element . . . . . . . . . . . . . . . 7
4.1.3. The <status> element. . . . . . . . . . . . . . . 8
4.1.4. The <basic> element . . . . . . . . . . . . . . . 8
4.1.5. The <contact> element . . . . . . . . . . . . . . 8
4.1.6. The <note> element. . . . . . . . . . . . . . . . 9
4.1.7. The <timestamp> element . . . . . . . . . . . . . 9
4.2. Presence Information Extensibility . . . . . . . . . . . 10
4.2.1. XML Namespaces Background . . . . . . . . . . . . 10
4.2.2. XML Namespaces In Presence Information. . . . . . 11
4.2.3. Handling Of Unrecognized Element Names. . . . . . 12
4.2.4. Status Value Extensibility. . . . . . . . . . . . 12
4.2.5. Standardizing Status Extensions . . . . . . . . . 13
4.3. Examples . . . . . . . . . . . . . . . . . . . . . . . . 14
4.3.1. Default Namespace with Status Extensions. . . . . 14
4.3.2. Presence with Other Extension Elements. . . . . . 15
4.3.3. Example Mandatory To Understand Elements. . . . . 16
4.4. XML Schema Definitions . . . . . . . . . . . . . . . . . 16
5. IANA Considerations. . . . . . . . . . . . . . . . . . . . . . 18
5.1. Content-type registration for 'application/pidf+xml' . . 18
5.2. URN sub-namespace registration for
'urn:ietf:params:xml:ns:pidf'. . . . . . . . . . . . . . 19
5.3. URN sub-namespace registration for
'urn:ietf:params:xml:ns:pidf:status' . . . . . . . . . . 20
6. Security Considerations. . . . . . . . . . . . . . . . . . . . 21
7. Internationalization Considerations. . . . . . . . . . . . . . 22
8. References . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8.1. Normative References . . . . . . . . . . . . . . . . . . 22
8.2. Informative References . . . . . . . . . . . . . . . . . 23
Appendix A. Document Type Definitions. . . . . . . . . . . . . . . 25
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 26
Full Copyright Statement . . . . . . . . . . . . . . . . . . . . . 28
1. Introduction
The Common Profiles for Instant Messaging (CPIM) [CPIM] and Presence
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