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Migration to Service Oriented Architecture Using Web Services

Migration to Service Oriented Architecture Using Web Services

Abstract

This paper discusses the advantages of service-oriented architecture (SOA) and why organizations need to move to a SOA based model. It also discusses the role of Web Services in implementing SOA and advantages of a rich client architecture. 

Excerpts from the Paper

The  ideas  behind  SOA  –  modularization, platform independence, etc. – are not new. Prior technologies have promoted many of the same principles, but failed to achieve the status of SOA. So why has SOA gained so much traction? The answer is Web services. On  the one hand,Web services – which are simply services  that use specific XML-based protocols and interface descriptions to communicate – provide the standards upon which today’s SOAs are being built. Of these,the key standards are:
  • SOAP (Simple Object Access Protocol),which deals with how an application calls a Web service to    perform an operation and return an answer
  • WSDL (Web services Description Language), which  is the XML-based format used to define the interface to a web service
  • UDDI (Universal Description, Discovery and Integration), a  directory  for Web  services  that  lets applications  find  out  what  services  are  available  to them

 

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