Web services allow for platform and language independent access to business logic through standard protocols like HTTP. Core technologies include XML, SOAP, WSDL, and UDDI. WSDL defines services using messages, port types, bindings and ports. SOAP is an XML-based protocol for exchanging structured data with envelopes containing headers and bodies. RESTful web services use standard HTTP methods to operate on resources identified by URIs in a stateless manner.
21. For clients to be able to interact with your resources, they should implement the default application protocol (HTTP) correctly, i.e. make use of the standard methods GET, PUT, POST, DELETE. And should return HTTP status code like 200, 404, 500 etc.
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Notas del editor
A binding defines message format and protocol details for operations and messages defined by a particular portType. There may be any number of bindings for a given portType.
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