4What is it? Service-Oriented Architecture (SOA) is an approach to software or systems architecture built around services - computing components that can be flexibly reused and recombined.
In an SOA, software components advertise themselves on the corporate network as offering a service that other applications can discover and use. An order management system might advertise a lookup service that would be useful to both a customer service application and a profitability analysis app, for example. The contrast is with point-to-point integration approaches, in which separate software interfaces would have to be developed between the two applications seeking data from the orders …
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