SQL Service Broker External Activator

Microsoft SQL Server Community Samples: Service Broker http://sqlsrvsrvcbrkr.codeplex.com/ 

SQL Server 2008 Service Broker http://blogs.technet.com/b/josebda/archive/2009/03/31/sql-server-2008-service-broker.aspx

Get Started With Using External Activator http://blogs.msdn.com/b/sql_service_broker/archive/2009/05/18/get-started-with-using-external-activator.aspx

Updating AppFabric Cache via SQL Service Broker External Activator http://blogs.msdn.com/b/appfabriccat/archive/2010/10/27/updating-appfabric-cache-via-sql-service-broker-external-activator.aspx