Design decisions can be influenced by many factors. In order to make matters more predictable, many architects look for clear-cut borderlines. How complex does my screen navigation have to be in order to justify a Front Controller as opposed to a Page Controller? How complex does my integration problem have to be to justify use of an EAI suite instead of hand wiring the solution? Invariably, the answer is "it depends". Let's have a closer look at why that is so.
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