A global container shipping company has a new application that they are going to deploy on a p5-570 at their corporate data center.  The Chief Information Officer indicates that， if the application is down for more than 36 hours， the cost of downtime is very high.  For the initial 36 hours of downtime， the company has a manual process they can execute without significant additional cost. Which of the following products best mitigates the major business risk to the company？（）