Building an effective disaster tolerant solution can often be a very complex and time consuming task. Furthermore, most disaster tolerant solutions are implemented at customer sites and fail to protect customers when failure occurs. Any disaster tolerant solution must be able to accommodate both planned and unplanned downtime. This white paper shows you how to do this by combining data replication with virtualization for a flexible, lower cost IT infrastructure that delivers high levels of availability and service. You will learn how to tailor replication groups to specific user environments and customize this technique for both campus-wide disaster tolerant implementations and metropolitan or geographically separated areas.