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Service-Oriented Architecture (SOA) and Web Services: The Road to Enterprise Application Integration (EAI)

• Tags:
• description,
• enterprise information systems,
• cost effective,
• implemented

Overview Most enterprises have made extensive investments in system resources over the course of many years. Such enterprises have an enormous amount of data stored in legacy Enterprise Information Systems (EIS), so it's not practical to discard existing systems. It's more cost-effective to evolve and enhance EIS. But how can this be done? Service Oriented Architecture (SOA) provides a cost-effective solution. Web services have taken the concept of services introduced by Jini technology and implemented it as services delivered over the web using technologies such as XML, Web Services Description Language (WSDL), Simple Object Access Protocol (SOAP), and Universal Description, Discovery, and Integration(UDDI). SOA and web services are two different things, but web services are the preferred standards-based way to realize SOA.

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