IIS Web Garden advantages / disadvantages [closed]

Question

When do you need IIS Web Garden feature. What's pro's and con's?

Answer 1

Complete answer from David Wang.
Pros:

• An interim solution for faulty applications.

Cons:

• Worse overall performance.
• Prevent the use of session state in the process. So in statefull application you have another performance penalty to serialize the state to an external store.