SOAP, WSDL & UDDI
- Web services
- self-contained, self-describing, modular applications that can be published, located and invoked across the Web (IBM)
- Simple Object Access Protocol (SOAP)
- protocol for exchanging structured information, based on XML, HTTP
- basis for remote procedure call to structured network service
- body of request sent in XML
- procedure executes on server
- results returned in XML