WSDL 1.1

Web Services Description Language (WSDL) 1.1

WCF uses Web Services Description Language (WSDL) to describe services.

XML Schema

XML Schema Part 2: Datatypes Second Edition and XML Schema Part 1: Structures Second Edition

WCF uses the XML Schema to describe data types used in messages.

WS Policy

Web Services Policy 1.2 - Framework (WS-Policy)

Web Services Policy 1.5 - Framework

WCF uses the WS-Policy 1.2 or 1.5 specifications with domain-specific assertions to describe service requirements and capabilities.

WS Policy Attachments

Web Services Policy 1.2 - Attachment (WS-PolicyAttachment)

WCF implements WS-Policy Attachments to attach policy expressions at various scopes in WSDL.

WS Metadata Exchange

Web Services Metadata Exchange (WS-MetadataExchange) version 1.1

WCF implements WS-MetadataExchange to retrieve XML Schema, WSDL, and WS-Policy.

WS Addressing Binding for WSDL

Web Services Addressing 1.0 - WSDL Binding

WCF implements WS-Addressing Binding for WSDL to attach addressing information in WSDL.