Regardless many research reports on SOA, the truth are that Service-Oriented Architecture (SOA) remains always the best obtainable option for the integration of system and to control the legacy systems. The technologies to implement SOA will certainly go forward to address emerging needs, but its concepts will remain the same. To address those needs and concerns that SOA is potentially being stretched beyond its limits, a significant and coordinated research program is needed. IT organizations across many industries have adopted or in the process of adopting towards a service-oriented IT architecture SOA with WCF services.