How to throttle WCF service per client

Question

I\'m developing a service that will be exposed on the internet to only a few select clients. However I don\'t want one client to be able to call the service so often that th

Answer 1

You could alter your configuration like this:

 ConcurrencyMode:=ConcurrencyMode.Single
 InstanceContextMode:=InstanceContextMode.Single

Then, in code, set up two service-level variables:

• one string variable to hold the ID of the last requestor
• one integer variable for the number of visits.

With each request where the ID of the inbound user == to last saved user, increment +1 your integer variable. After request 10, return a denial to the user. If the user's different, reset the variables and process the request.

It's not a configuration solution - it's configuration and code, but it would work.