In this chapter we discuss the capabilities and prerequisites of the GDPS/PPRC offering. GDPS/PPRC supports both planned and unplanned situations, helping to maximize application availability and provide business continuity. In particular, a GDPS/PPRC solution can deliver the following capabilities:
•Near-continuous availability solution
•Disaster recovery (DR) solution across metropolitan distances
•Recovery Time Objective (RTO) less than an hour
•Recovery Point Objective (RPO) of zero
The functions provided by GDPS/PPRC fall into two ...