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Requirements for Resource Priority Mechanisms for the Session Initiation Protocol (SIP) (RFC3487)

IP.com Disclosure Number: IPCOM000011539D
Original Publication Date: 2003-Feb-01
Included in the Prior Art Database: 2003-Feb-28
Document File: 18 page(s) / 40K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

H. Schulzrinne: AUTHOR

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).

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 7% of the total text.

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                      [Page 1]

RFC 3487                IEPREP SIP Requirements            February 2003

1.  Introduction

   During emergencies, communications resources including telephone

   circuits, IP bandwidth and gateways between the circuit-switched and

   IP networks may become congested.  Congestion can occur due to heavy

   usage, loss of resources caused by the natural or man-made disaster

   and attacks on the network d...