Frequently I see the same question in many forms; "How do I design a web application architecture". The simple answer is that all application architectures are different, depending on the actual needs. Instinctively most programmers know what's required, or at least we think that we do. bq. The true skill is to realise that we are often wrong and that any architecture design needs to be validated. h2. Pragmatic approach to application architecture Pragmatism is one of those often misapplied terms that is often used interchangeable with "in my experience".