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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...