More and more often, up-to-date applications cannot exist in a compartment mode; they constantly interact with the outer world. That is why mechanisms of interaction with other applications are becoming an important part of most of them. Recently interactions between applications are based on XML or other open standards. It gives an opportunity to integrate applications built on different platforms.

In this article one of the platforms to build service-oriented applications ADO.NET Data Services is considered. This platform allows building data access services based on REST methodology with a convenient way.