Best Practice for WCF Service Proxy lifetime?

Question

When working with WCF services, is it better to create a new instance of the service every time you use it? Or is it better to create one and re-use it? Why is either appr

Answer 1

One more point to consider is channel faults. By design WCF does not allow to use client proxy after unhandled exception happened.

IMyContract proxy = new MyContractClient( );
try
{
   proxy.MyMethod( );
}
catch
{}

//Throws CommunicationObjectFaultedException
proxy.MyMethod( );