Does the hosting option affects the amount of requests a WCF service can handle?
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Does the hosting option affects the amount of requests a WCF service can handle?
Hard to say – the main reason for self-hosting is probably having more control, e.g. being able to tweak the system as you need it.
IIS hosting is convenient and easy to set up, and it offers “on-demand” loading of the service, e.g. the service host is only loaded if a request actually comes in.
This constant loading (and unloading) of the service host will probably hurt performance a little bit – on the other hand, self-hosting a service host, you probably use more memory (since the ServiceHost is active and in memory at all times).
So again – it’s a memory-vs-speed trade-off – selfhosting uses more RAM but is probably a tiny bit faster.
Marc