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Service Oriented Architecture Introduction - Why ? What ? How? - (Part 3)BY: Arivuvel Ramu | Category: Others | Submitted: 2010-06-04 06:11:31
Types Of Integration Data Level Integration Moving data between applications like database, adapter, XML Application Level Integration On top of existing application - Using API, components can be build and exposed as a service in the ESB Business Process Integration On top of existing application - services are builded and orchestrated Presentation Integration Portal or User view integration with Middle tier or Business Process Web Services Web services are the latest distributed technology, component over the wire.They provide the technical foundation for achieving interoperability between applications using different software platforms, operating systems and programming languages,Enables any application to be accessed via XML-based calls,XML format is very flexible, allows consumers and providers to be loosely coupled SOA Application Attributes Application has a well defined and separated functionality layer Functional layer has well defined functional entry points (façade) Entry points are coarse-granined functions Well defined data interchanges (XML) Powerful and flexible business process modeling environment Pros and Cons of Service Oriented Architecture Benefits of SOA The Key benefits for implementing the Service Oriented architectures are Adaptable to changing business needs (Agile), Quickly develop or integration and deliver Faster time to market , Business and Process Driven leads to provide new business opportunities, Leverage existing IT assets and increase ROI. Disadvantage of SOA Service oriented architecture composed of services efficient to fit for large enterprises, distributed environment. It's not recommended to implement in small - medium sized or in non distributed environment. Article Source: http://www.saching.com/ About Author / Additional Info: Arivuvel Ramu Technical Architect (SOA) galaxE Solutions, Bangalore, India Comments on this article: (0 comments so far)
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