You are responsible for the design of a communications switch that has to provide 24/7 availability but that is not safety-critical. Giving reasons for your answer, suggest an architectural style that...

You are responsible for the design of a communications switch that has to provide 24/7 availability but that is not safety-critical. Giving reasons for your answer, suggest an architectural style that might be used for this system. It has been suggested that the control software for a radiation therapy machine, used to treat patients with cancer, should be implemented using N-version programming. Comment on whether or not you think this is a good suggestion.