Propose a process for evaluating the success of the new system and a procedure for implementing software fixes and enhancements.

You are the manager of a payroll system. Your company is going to replace the legacy payroll system with a more robust, Web-based version. Suggest two approaches that would minimize downtime and interruption to the payroll process. Provide specific examples to support your response.
Propose a process for evaluating the success of the new system and a procedure for implementing software fixes and enhancements. Provide specific examples to support your response.