The first thing that will come up if you talk about Service Oriented Architecture (SOA) is services. Services are building blocks of SOA and gain more momentum on the Web, which is an excellent platform for services. It is not just the Web, also within enterprise more and more services are being created to satisfy business needs and opening systems/applications to enable them to exchange information with each other.
BizTalk has evolved over the years and has capabilities on board to simplify exposing systems or processes and consuming services. The BizTalk WCF Services Publishing Wizard is offered by BizTalk out of the box. It offers two options—Publish orchestrations or schemas as WCF services, enabling a developer to expose schemas or orchestrations as services to be consumed by the outside world or other systems. The ability to expose existing IT investments to a broader set of consumers was one of the concepts in the SOA reference model which Microsoft set up a few years...