Prevent Malicious Requests - DOS Attacks

Question

I\'m developing an asp.net MVC web application and the client has request that we try our best to make it as resilient as possible to Denial of Service attacks. They are worried

Answer 1

You could implement the solution in the cloud and scale servers if you absolutely had to stay up, but it could get expensive...

Another idea would be to log the ip addresses of registered users. In the event of a DOS restrict all traffic to requests from 'good' users.