Network Working Group J. Polk Request for Comments: 3523 Cisco Systems Category: Informational April 2003 Internet Emergency Preparedness (IEPREP) Telephony Topology Terminology 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 defines the topology naming conventions that are to be used in reference to Internet Emergency Preparedness (IEPREP) phone calls. These naming conventions should be used to focus the IEPREP Working Group during discussions and when writing requirements, gap analysis and other solutions documents. Table of Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1 Motivation. . . . . . . . . . . . . . . . . . . . . . . . 2 1.2 Terms and Definitions . . . . . . . . . . . . . . . . . . 2 2. IEPREP Topologies. . . . . . . . . . . . . . . . . . . . . . 2 2.1 Topology "IP Bridging" . . . . . . . . . . . . . . . . . 3 2.2 Topology "IP at the Start". . . . . . . . . . . . . . . . 3 2.3 Topology "IP at the End". . . . . . . . . . . . . . . . . 4 2.4 Topology "End-to-End IP". . . . . . . . . . . . . . . . . 4 3. Security Considerations . . . . . . . . . . . . . . . . . . . 5 4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 5 5. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 5 6. References . . . . . . . . . . . . . . . . . . . . . . . . . 5 7. Author's Address. . . . . . . . . . . . . . . . . . . . . . . 5 8. Full Copyright Statement. . . . . . . . . . . . . . . . . . . 6 Polk Informational