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Frameworks like Node.js, Tornado, and Twisted let developers create server-push applications that supports large number of concurrent hanging requests (10k+). From what I understand, they all achieve this by not creating threads to service each hanging request.
Can AsyncController be used to service large number of inactive concurrent requests?
If so, are there any reasonably large ASP.NET MVC websites using this approach to create long-poll applications?
I recently wrote a simple example of a Long Polling Chat Server using MVC 3 Async Controllers based on a great article by Clay Lenhart but I haven’t had the chance to really test it out with a bunch of connections.
You can use the example on a AppHarbor deployment I set up based on the source from the BitBucket project.
Also, more information available from my blog post explaining the project.