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1 Introduction

1.1 Web Service

1.2 Notational Conventions

1.3 WSDL Terminology

2 Component Model

2.1 Definitions

2.1.1 The Definitions Component

2.1.2 XML Representation of Definitions Component

2.1.3 Mapping Definitions' XML Representation to Component Properties

2.2 Interface

2.2.1 The Interface Component

2.2.2 XML Representation of Interface Component

2.2.3 Mapping Interface's XML Representation to Component Properties

2.3 Interface Fault

2.3.1 The Interface Fault Component

2.3.2 XML Representation of Interface Fault Component

2.3.3 Mapping Interface Fault's XML Representation to Component Properties

2.4 Interface Operation

2.4.1 The Interface Operation Component

2.4.2 RPC Style

2.4.3 XML Representation of Interface Operation Component

2.4.4 Mapping Interface Operation's XML Representation to Component Properties

2.5 Message Reference

2.5.1 The Message Reference Component

2.5.2 XML Representation of Message Reference Component

2.5.3 Mapping Message Reference's XML Representation to Component Properties

2.6 Fault Reference

2.6.1 The Fault Reference Component

2.6.2 XML Representation of Fault Reference Component

2.6.3 Mapping Fault Reference's XML Representation to Component Properties

2.7 Feature

2.7.1 The Feature Component

2.7.2 XML Representation of Feature Component

2.7.3 Mapping Feature's XML Representation to Component Properties

2.8 Property

2.8.1 The Property Component

2.8.2 XML Representation of Property Component

2.8.3 Mapping Property's XML Representation to Component Properties

2.9 Binding

2.9.1 The Binding Component

2.9.2 XML Representation of Binding Component

2.9.3 Mapping Binding's XML Representation to Component Properties

2.10 Binding Fault

2.10.1 The Binding Fault Component

2.10.2 XML Representation of Binding Fault Component

2.10.3 Mapping Binding Fault's XML Representation to Component Properties

2.11 Binding Operation

2.11.1 The Binding Operation Component

2.11.2 XML Representation of Binding Operation Component

2.11.3 Mapping Binding Operation's XML Representation to Component Properties

2.12 Binding Message Reference

2.12.1 The Binding Message Reference Component

2.12.2 XML Representation of Binding Message Reference Component

2.12.3 Mapping Binding Message Reference's XML Representation to Component Properties

2.13 Service

2.13.1 The Service Component

2.13.2 XML Representation of Service Component

2.13.3 Mapping Service's XML Representation to Component Properties

2.14 Endpoint

2.14.1 The Endpoint Component

2.14.2 XML Representation of Endpoint Component

2.14.3 Mapping Endpoint's XML Representation to Component Properties

2.15 Definition of the Simple Types Used in the Component Model

2.15.1 string Type

2.15.2 Token Type

2.15.3 NCName Type

2.15.4 anyURI Type

2.15.5 QName Type

2.15.6 boolean Type

2.15.7 int Type

2.16 Equivalence of Components

2.17 Symbol Spaces

2.18 QName resolution

2.19 Comparing URIs

3 Types

3.1 Using W3C XML Schema Description Language

3.1.1 Importing XML Schema

3.1.2 Embedding XML Schema

3.1.3 References to Element Declarations and Type Definitions

3.2 Using Other Schema Languages

4 Modularizing WSDL descriptions

4.1 Including Descriptions

4.1.1 location attribute information item with include [owner]

4.2 Importing Descriptions

4.2.1 namespace attribute information item

4.2.2 location attribute information item with import [owner]

5 Documentation

6 Language Extensibility

6.1 Element based Extensibility

6.1.1 Mandatory extensions

6.1.2 required attribute information item

6.2 Attribute-based Extensibility

6.3 Extensibility Semantics

7 Locating WSDL Documents

7.1 wsdli:wsdlLocation attribute information item

8 Conformance

8.1 Document Conformance

8.2 XML Information Set Conformance

8.3 Processor Conformance

9 XML Syntax Summary (Non-Normative)

10 References

10.1 Normative References

10.2 Informative References

Appendices

A The application/wsdl+xml Media Type

A.1 Registration

A.2 Security considerations

B Acknowledgements

C URI References for WSDL constructs

C.1 WSDL URIs

C.2 Fragment Identifiers

C.3 Extension Elements

C.4 Example

D Migrating from WSDL 1.1 to WSDL 2.0

D.1 Operation Overloading

D.2 PortTypes

D.3 Ports

E Examples of Specifications of Extension Elements for Alternative Schema Language Support.

E.1 DTD

E.1.1 namespace attribute information item

E.1.2 location attribute information item

E.1.3 References to Element Definitions

E.2 RELAX NG

E.2.1 Importing RELAX NG

E.2.2 Embedding RELAX NG

E.2.3 References to Element Declarations

F Part 1 Change Log

F.1 WSDL Specification Changes

10.2 Informative References

Informative References Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies, N. Freed, N. Borenstein, Authors. Internet Engineering Task Force, November 1996. Available at http://www.ietf.org/rfc/rfc2045.txt. Hypertext Transfer Protocol -- HTTP/1.1, R. Fielding, J. Gettys, J. Mogul, H. Frystyk, L. Masinter, P. Leach, T. Berners-Lee, Authors. Internet Engineering Task Force, June 1999. Available at http://www.ietf.org/rfc/rfc2616.txt. Simple Object Access Protocol (SOAP) 1.1, D. Box, D. Ehnebuske, G. Kakivaya, A. Layman, N. Mendelsohn, H. Frystyk Nielsen, S. Thatte, D. Winer, Editors. World Wide Web Consortium, 8 May 2000. This version of the Simple Object Access Protocol 1.1 Note is http://www.w3.org/TR/2000/NOTE-SOAP-20000508. SOAP Version 1.2 Part 1: Messaging Framework, M. Gudgin, M. Hadley, N. Mendelsohn, J-J. Moreau, H. Frystyk Nielsen, Editors. World Wide Web Consortium, 24 June 2003. This version of the "SOAP Version 1.2 Part 1: Messaging Framework" Recommendation is http://www.w3.org/TR/2003/REC-soap12-part1-20030624/. The latest version of "SOAP Version 1.2 Part 1: Messaging Framework" is available at http://www.w3.org/TR/soap12-part1/. XML Linking Language (XLink) Version 1.0, S. DeRose, E. Maler, D. Orchard, Editors. World Wide Web Consortium, 27 June 2001. This version of the XML Linking Language 1.0 Recommendation is http://www.w3.org/TR/2001/REC-xlink-20010627. The latest version of XML Linking Language 1.0 is available at http://www.w3.org/TR/xlink. Web Services Description Language (WSDL) 1.1, E. Christensen, F. Curbera, G. Meredith, and S. Weerawarana, Authors. World Wide Web Consortium, 15 March 2002. This version of the Web Services Description Language 1.1 Note is http://www.w3.org/TR/2001/NOTE-wsdl-20010315. The latest version of Web Services Description Language 1.1 is available at http://www.w3.org/TR/wsdl. Web Services Description (WSDL) Version 2.0: Primer, K. Sankar, K. Liu, D. Booth, Editors. World Wide Web Consortium, 3 August 2004. The editors' version of the Web Services Description Version 2.0: Primer document is available from http://www.w3.org/2002/ws/desc/. Web Services Description Requirements, J. Schlimmer, Editor. World Wide Web Consortium, 28 October 2002. This version of the Web Services Description Requirements document is http://www.w3.org/TR/2002/WD-ws-desc-reqs-20021028. The latest version of Web Services Description Requirements is available at http://www.w3.org/TR/ws-desc-reqs. XPointer Framework,Paul Grosso, Eve Maler, Jonathan Marsh, Norman Walsh, Editors. World Wide Web Consortium, 22 November 2002. This version of the XPointer Framework Proposed Recommendation is http://www.w3.org/TR/2003/REC-xptr-framework-20030325/ The latest version of XPointer Framework is available at http://www.w3.org/TR/xptr-framework/. Extensible Markup Language (XML) 1.1 , T. Bray, J. Paoli, C. M. Sperberg-McQueen, E. Maler, Francois Yergau, and John Cowan, Editors. World Wide Web Consortium, 04 February 2004, edited in place 15 April 2004. This version of the XML 1.1 Recommendation is http://www.w3.org/TR/2004/REC-xml-20040204. The latest version of XML 1.1 is available at http://www.w3.org/TR/xml11.

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Appendices

10.2 Informative References