Advantages:
Disadvantages:
AMSP,
When a vendor is contracted to provide a solution (or to work in developing a solution), there are usually specific products and services that the vendor is required to deliver under the terms of their contract. So acceptance and evalution critieria for the product(s) delivered by that vendor cannot go beyond what is required in their contract. For example, if the vendor is contracted to build a solution and implement it, but not to test it or configure it (not saying this should happen! just using as an example), then evaluation and acceptance of that product could not include criteria for ensuring that the product was properly configured, and would not include criteria for successful test completion(which is normally pretty standard for acceptance of a product).
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