Network Working Group M. Riegel Request for Comments: 3017 Siemens AG Category: Standards Track G. Zorn Cisco Systems December 2000 XML DTD for Roaming Access Phone Book Status of this Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2000). All Rights Reserved. Abstract This document defines the syntax as well as the semantics of the information to be included in the phone book for roaming applications. It comprises the information necessary to select the most appropriate ISP and to configure the host to get access to the network of the provider. The specification consists of a small set of required information elements and a variety of possible extensions. All data is specified in XML [5] (Extensible Markup Language) syntax leading to a concise XML DTD (Document Type Declaration) for the phone book. Table of Contents 1. Introduction ............................................. 3 2. Rationale for XML Usage .................................. 4 3. Specification of Requirements ............................ 5 4. Value type notations for 'stronger' typing ............... 5 5. Container Element Definitions ............................ 5 5.1. PhoneBook ............................................ 5 5.1.1. phoneBook Attribute "name" ........................ 6 5.1.2. phoneBook Attribute "version" ..................... 6 5.2. POP .................................................. 7 5.2.1. pop Attribute "entryVersion" ...................... 8 5.3. Setup ................................................ 8 5.4. Support .............................................. 9 5.5. Provider ............................................. 9 Riegel & Zorn Standards Track