Enter your text SOA is an IT architecture strategy for business solution (and infrastructure solution) delivery based on the concept of service-orientation. It is a set of components which can be invoked, and whose interface descriptions can be published and discovered. It aims at building systems that are extensible, flexible and fit with legacy systems. It promotes the re-use of basic components called services.
Service is the important concept. Services can be published, discovered and used in a technology neutral, standard form by the set of protocols of the web services. Other than being just architecture, SOA is the policies, practices, and frameworks by which it is ensure the right services are provided and consumed. It becomes critical to implement processes that ensure that there are at least two different and separate processes— one for provider and the other for consumer, using SOA. The Business Service Bus is starting point for developers that guide them to a coherent set that has been assembled for their domain. This is better than leaving developers to discover individual services and put them into context
SOA can help businesses respond more quickly and economically to changing market conditions. Oracle SOA (Service-Oriented Architecture) can be considered an architectural evolution. It captures many of the best practices of previous software architectures. The goal of separating users from the service implementations is promoted by SOA. The goals like increased interoperability, increased federation and increased business & technology domain alignment can be achieved by SOA due to its architectural and design discipline. SOA is an architectural approach for constructing complex software-intensive systems from services. SOA realizes its business and IT benefits through utilizing an analysis and design methodology when creating services.
IT benefits of SOA are:
The ability to build composite applications is provided.Business services are offered across thvidedProvides truly real-time decision-making applications.Reliability is enhancedIt is not necessary that Services be at a particular system or networkThe approach is completely loosely coupledHardware acquisition costs are reducedAt every level there's Authentication and authorization supportExisting development skills are leveragedProvides a data bridge between incompatible technologiesThe search and connectivity to other services is dynamic
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