This section requires knowing the following concepts and it is recommended that the readers review the following related information.
WCF Data Services
In this case, an ASP.NET application hosted on the Windows Azure site would provide access to data on an on-site SQL Server database. It is further assumed that the database is set for Windows authentication. As there are firewalls protecting Windows Azure as well as the computer accessing the ASP.NET hosted site, there are natural impediments to data communication. This is overcome by using a relay service provided by the Windows Azure AppFabric component, the Service Bus. We are not using the other component of AppFabric, namely the Access Control Service. ...