?? rfc4481.doc
字號:
maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="from" type="xs:dateTime" use="required"/>
<xs:attribute name="until" type="xs:dateTime"/>
</xs:complexType>
</xs:schema>
Schulzrinne Standards Track [Page 5]
RFC 4481 Timed Presence July 2006
6. IANA Considerations
This document calls for IANA to register a new XML namespace URN and
schema per [2].
6.1. URN Sub-Namespace Registration for
'urn:ietf:params:xml:ns:pidf:timed-status'
URI: urn:ietf:params:xml:ns:pidf:timed-status
Description: This is the XML namespace for XML elements defined by
RFC 4481 to describe timed-status presence information extensions
for the status element in the PIDF presence document format in the
application/pidf+xml content type.
Registrant Contact: IETF, SIMPLE working group, simple@ietf.org;
Henning Schulzrinne, hgs@cs.columbia.edu
XML:
BEGIN
<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN"
"http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml
<head>
<meta http-equiv="content-type"
content="text/html;charset=iso-8859-1"/>
<title>Timed Presence Extensions to the Presence
Information Data Format (PIDF) to Indicate Status
Information for Past and Future Time Intervals</title>
</head>
<body>
<h1>Namespace for timed-status presence extension</h1>
<h2>urn:ietf:params:xml:ns:pidf:timed-status</h2>
<p>See <a href="http://www.rfc-editor.org/rfc/rfc4481.txt">
RFC4481</a>.</p>
</body>
</html>
END
Schulzrinne Standards Track [Page 6]
RFC 4481 Timed Presence July 2006
6.2. Schema Registration for Schema
'urn:ietf:params:xml:ns:pidf:timed-status'
URI: urn:ietf:params:xml:ns:pidf:timed-status
Registrant Contact: IESG
XML: See Section 5
7. Security Considerations
The security issues are similar to those for RPID [9].
8. References
8.1. Normative References
[1] Bradner, S., "Key words for use in RFCs to Indicate Requirement
Levels", BCP 14, RFC 2119, March 1997.
[2] Mealling, M., "The IETF XML Registry", BCP 81, RFC 3688, January
2004.
[3] Sugano, H., Fujimoto, S., Klyne, G., Bateman, A., Carr, W., and
J. Peterson, "Presence Information Data Format (PIDF)", RFC
3863, August 2004.
[4] Yergeau, F., Paoli, J., Sperberg-McQueen, C., Bray, T., and E.
Maler, "Extensible Markup Language (XML) 1.0 (Third Edition)",
W3C REC REC-xml-20040204, February 2004.
[5] Maloney, M., Beech, D., Thompson, H., and N. Mendelsohn, "XML
Schema Part 1: Structures Second Edition", W3C REC REC-
xmlschema-1-20041028, October 2004.
[6] Malhotra, A. and P. Biron, "XML Schema Part 2: Datatypes Second
Edition", W3C REC REC-xmlschema-2-20041028, October 2004.
8.2. Informative References
[7] Day, M., Rosenberg, J., and H. Sugano, "A Model for Presence and
Instant Messaging", RFC 2778, February 2000.
[8] Peterson, J., "A Presence-based GEOPRIV Location Object Format",
RFC 4119, December 2005.
Schulzrinne Standards Track [Page 7]
RFC 4481 Timed Presence July 2006
[9] Schulzrinne, H., Gurbani, V., Kyzivat, P., and J. Rosenberg,
"RPID: Rich Presence Extensions to the Presence Information Data
Format (PIDF)", RFC 4480, July 2006.
Contributor's Address
Jonathan Rosenberg
dynamicsoft
600 Lanidex Plaza
Parsippany, NJ 07054-2711
USA
EMail: jdrosen@dynamicsoft.com
Acknowledgements
This document is based on the discussions within the IETF SIMPLE
working group. Mary Barnes, Avri Doria, Miguel Garcia, Vijay
Gurbani, Hisham Khartabil, Paul Kyzivat, Mikko Lonnfors, Yannis
Pavlidis and Jon Peterson provided helpful comments.
Author's Address
Henning Schulzrinne
Columbia University
Department of Computer Science
450 Computer Science Building
New York, NY 10027
US
Phone: +1 212 939 7004
EMail: hgs+simple@cs.columbia.edu
URI: http://www.cs.columbia.edu
Schulzrinne Standards Track [Page 8]
RFC 4481 Timed Presence July 2006
Full Copyright Statement
Copyright (C) The Internet Society (2006).
This document is subject to the rights, licenses and restrictions
contained in BCP 78, and except as set forth therein, the authors
retain all their rights.
This document and the information contained herein are provided on an
"AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Intellectual Property
The IETF takes no position regarding the validity or scope of any
Intellectual Property Rights or other rights that might be claimed to
pertain to the implementation or use of the technology described in
this document or the extent to which any license under such rights
might or might not be available; nor does it represent that it has
made any independent effort to identify any such rights. Information
on the procedures with respect to rights in RFC documents can be
found in BCP 78 and BCP 79.
Copies of IPR disclosures made to the IETF Secretariat and any
assurances of licenses to be made available, or the result of an
attempt made to obtain a general license or permission for the use of
such proprietary rights by implementers or users of this
specification can be obtained from the IETF on-line IPR repository at
http://www.ietf.org/ipr.
The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary
rights that may cover technology that may be required to implement
this standard. Please address the information to the IETF at
ietf-ipr@ietf.org.
Acknowledgement
Funding for the RFC Editor function is provided by the IETF
Administrative Support Activity (IASA).
Schulzrinne Standards Track [Page 9]
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