SOA Management, Integration, Consulting for Business | Dallas TX | Miami FL | Chicago IL
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SOA Management, Integration, Consulting for Business?
SOA
Service oriented architecture is approach to have software resources in an enterprise
available and discoverable on network as well defined services. Each service would achieve
a predefined business objective and perform discrete units of work. The services are
independent and do not depend on the context or state of the other services. They work
within distributed systems architecture. Earlier SOA used COM or ORB based on CORBA specifications and recent SOA stress on web services using standard description (WSDL), discovery (UDDI) and messaging (SOAP).
Service oriented architecture may or may not use web services but yes web services provide
a simple way towards service oriented architecture albeit with the age old security and
reliability limitations.
EAI
Enterprise application integration is a business need to make diverse applications in an
enterprise including partner systems to communicate to each other to achieve a business
objective in a seamless reliable fashion irrespective of platform and geographical location of
these applications. It is a business need and business never dies it only evolves. I have seen
people saying that EAI is a thing of past now SOA is here, it is just like saying
“transportation is a thing of past now road is here”.
EAI comprises of message acceptance, transformation, translation, routing, message
delivery and business process management. Usually messages transportation is
asynchronous but for a business need it can be synchronous as well. There are two basic
architectures to achieve this, bus and hub/spoke architecture. Both of these can be used to
develop services and then it also becomes service orientated architecture.
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