web services概述 Web services vs 什么是 Web service web service A modular, well-defined, encapsulated function Used for loosely coupled integration between applications or systems Based on XML, transported in two forms Synchronous(RPC): SOAP Asynchronous(messaging ): SOAP and ebXML Messaging Sometimes advertised and discovered in a service registry UDDI, ebXML Reg/Rep, and WSDL are popular standards Over Intranet and Internet ◆显Lnweb services概述 ◼ 什么是Web Service ◼ A modular, well-defined, encapsulated function ◼ Used for loosely coupled integration between applications or systems ◼ Based on XML, transported in two forms: ◼ Synchronous (RPC): SOAP ◼ Asynchronous (messaging): SOAP and ebXML Messaging ◼ Sometimes advertised and discovered in a service registry ◼ UDDI, ebXML Reg/Rep, and WSDL are popular standards ◼ Over Intranet and Internet Web services vs web service