Web Services


A WebService is an application designed to allow remote invocation of its functionality over the internet. They most commonly use XML/SOAP messages transmitted over HTTP.

Advantages

  • Low coupling of application components, allowing reuse
  • Very good interoperability
  • Easily accessed due to the ubiquity of HTTP

Disadvantages

  • The XML representation of data can add overhead
  • The specification schema (WSDL) can be complex

Components

  • Endpoint
  • Service
  • Interface
  • Data types

Development tools

  • Microsoft Visual Studio (VB.NET or C#)
  • Netbeans, Eclipse (Java, PHP)

Versions

  • WSDL 1.1
  • WSDL 2.0



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