Web Services - What Are Web Services Web services are...

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What Are Web Services? Web services are client and server applications that communicate over the World Wide Web's (WWW) HyperText Transfer Protocol (HTTP). As described by the World Wide Web Consortium (W3C), web services provide a standard means of interoperating between software applications running on a variety of platforms and frameworks. Web services are characterized by their great interoperability and extensibility, as well as their machine-processable descriptions, thanks to the use of XML. Web services can be combined in a loosely coupled way to achieve complex operations. Programs providing simple services can interact with each other to deliver sophisticated added- value services. (from The Java EE 6 Tutorial by Oracle) The Programming Model o Web Services are web-based enterprise applications that execute
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Unformatted text preview: in a distributed environment. o Inter-operability is achieved through Operating Sytem, Language and Data independence which in turn is provided by adherence to open, XML-based Standards and transport protocols to exchange data with clients . o Developers must have a sound basic understanding of networking and WWW concepts. o The Programming model commonly extends the Client/Server model of programming to a Multi-tiered one. o The Java™ Platform Enterprise Edition (Java EE) Client-tier components running on the Client machine Web-tier components running on the Server Business-tier components running on the Server Enterprise Information System (EIS) software running on the Database server Schematic From Sun's JavaEE Tutorial: Similarly for Microsoft .NET...
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  • One '14
  • World Wide Web, Web server, Web Services

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