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 approach better? Is it the same for asynchronous proxies?
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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 approach better? Is it the same for asynchronous proxies?
in addition to the things Guy Starbuck mentioned a key factor would be the security model you’re using (in conjunction with the session requirements) – if you don’t re-use your proxy, you can’t re-use a security sessions.
This means that the client would have to authenticate itself with each call which is wasteful.
If, however, you decide this is what you wish to do, make sure to configure the client to not establish a security context (as you will never use it), this will save you a couple of roundtrips to the server 🙂