3. Data lifecycle (CRUD+) Operation logic, query, databinding, change tracking, unit of work Validation User: authn/authz/profile

4. RIA/JS Client DomainService OData Service Local Store Browsers Metro Style App Mobile Devices

11. Databases ADO.NET, ORMs (LTS, EF, nhibernate) Lists/Objects Repository (NHibernate, …) Services REST/SOAP/OData.NET Clients Silverlight, Phone Standards Client HTML5/ECMAScript Server Rendering HTML, SEO, printing Services SOAP, XML, JSON, OData DomainService (Unit of work, validation) HTTP WCF Mobile Devices JSON, OData, PLIST WCF WebAPI (REST, hypermedia) Metro Style App

12. Browsers Metro Style App RIA/JS Client DomainService MVC OData Service Other Services Storage SQL Table Cache Compute Web Worker Value Add Pub/Sub Mktplace Data Mobile Devices DomainService WebAPI Local Store