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wcfiisappdomainsvc
Ghassan Karwchan
Ghassan Karwchan

Reputation: 3539

WCF service, Application Domain and web sites

I have many WCF services (SVC files), and I want to host them in IIS. I was wondering:

What is the difference?

I read that each service will have its own Application Domain? Is there any articles that describe the relation between a WCF service and an Application Domain?

Upvotes: 3

Views: 862

Answers (1)

henginy
henginy

Reputation: 2071

An application domain is used to isolate applications so that they do not affect each other. Having a separate website for each service therefore offers higher fault-tolerance, and enables you to update only the changing service without affecting the others. However deployment will require a little more work. Also probably more resources will be consumed and initialization will take a little longer (since more application domains will be created), but if it's not a time or performance-critical application those may not be of much concern to you.

I think if there's a good separation between your services, your services have a (subjectively) reasonable complexity and the resulting overhead is negligible for you, it would be better to go for separate websites, otherwise not. (Yeah, in summary, it depends.)

Note: You might also want to take a look at this article:
Hosting multiple WCF services as one single service

Upvotes: 3

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