The ADO.NET Data Services Framework is a design specification that includes client and server libraries used to deploy data services on the Web or an intranet. Data is conveyed in the style of representational state transfer (REST) resources addressable by URIs. Data is structured as entities and relationships according to the specifications of the Entity Data Model (EDM).

ADO.NET Data Services use uniform patterns of data representation and transport, such as JSON and AtomPub. Multiple formats are supported so that client applications can select a representation that integrates best with their platform. The JSON format is particularly useful with AJAX application environments.

Applications interact with ADO.NET Data Services by using HTTP verbs such as GET, PUT, POST, or DELETE. The .NET Client Library (ADO.NET Data Services Framework) supports use of ADO.NET Data Services from platforms such as the .NET Framework and Silverlight.

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