RFC 3487 (rfc3487) - Page 1 of 17
Requirements for Resource Priority Mechanisms for the Session Initiation Protocol (SIP)
Alternative Format: Original Text Document
Network Working Group H. Schulzrinne
Request for Comments: 3487 Columbia University
Category: Informational February 2003
Requirements for Resource Priority Mechanisms for the
Session Initiation Protocol (SIP)
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2003). All Rights Reserved.
Abstract
This document summarizes requirements for prioritizing access to
circuit-switched network, end system and proxy resources for
emergency preparedness communications using the Session Initiation
Protocol (SIP).
Table of Contents
1. Introduction ................................................ 2
2. Terminology ................................................. 3
3. Resources ................................................... 4
4. Network Topologies .......................................... 5
5. Network Models .............................................. 6
6. Relationship to Emergency Call Services ..................... 7
7. SIP Call Routing ............................................ 8
8. Policy and Mechanism ........................................ 8
9. Requirements ................................................ 9
10. Security Requirements ....................................... 12
10.1 Authentication and Authorization ....................... 12
10.2 Confidentiality and Integrity .......................... 13
10.3 Anonymity .............................................. 14
10.4 Denial-of-Service Attacks .............................. 14
11. Security Considerations ..................................... 15
12. Acknowledgements ............................................ 15
13. Normative References ........................................ 15
14. Informative References ...................................... 15
15. Author's Address ............................................ 16
16. Full Copyright Statement .................................... 17
Schulzrinne Informational



