Web Services
- Web services are application components
- Web services communicate using open protocols
- Web services are self-contained and self-describing
- Web services can be used by other applications
- HTTP and XML is the basis for Web services
- Web Services can be created regardless of programming language
This tutorial introduces WSDL, SOAP, UDDI, and RDF.
Background of Web Services
WSDL
- WSDL stands for Web Services Description Language
- WSDL is an XML-based language for describing Web services.
- WSDL is a W3C recommendation
SOAP
- SOAP stands for Simple Object Access Protocol
- SOAP is an XML based protocol for accessing Web Services.
- SOAP is based on XML
- SOAP is a W3C recommendation
UDDI
- UDDI stands for Universal Description, Discovery and Integration
- UDDI is a directory service where companies can search for Web services.
- UDDI is described in WSDL
- UDDI communicates via SOAP
RDF
- RDF stands for Resource Description Framework
- RDF is a framework for describing resources on the web
- RDF is written in XML
- RDF is a W3C Recommendation
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