C# - Redirect If Maximum Connections / Sessions Reached?

Mar 5, 2010

is there a way to redirect a user when there are n people/sessions on a site. I have a requirement to redirect to a 'sorry we are busy, please try later' page if there are too many people currently engaging the site (this is to stop flooding a live business service that is behind the webpages). The ideal is that only new users (users not already logged in) are shown this page. I was going to just count concurrent logins but wondered if there was a better way to count current activity rather than login status being that most users might stay logged in for a while.

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