RFC 3487 (rfc3487) - Page 1 of 17


Requirements for Resource Priority Mechanisms for the Session Initiation Protocol (SIP)



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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


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