Silverlight 3 comes with very good PollingDuplex library allowing two-way communication between a server and a client but it lacks scalability features allowing it to work from behind a session-less load balancer such as one in Windows Azure. This limits...

Following up on my previous posts on this topic, this time I want to present really scalable solution to the problem of scaling client-server two-way communication in Silverlight 3 in the cloud. This solution is based on great implementation of HTTP polling...