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GDPS Family An Introduction to Concepts and Facilities by Sim Schindel, David Clitherow, Frank Kyne

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GDPS/PPRC
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 ...

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