RTO RPO DR

RPO - Recovery point objective- The acceptable time variance between the 
current time and the age of the data available to be restored

RTO - Recovery time objective - The acceptable amount of time from the 
start of the data recovery process until its completion

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Day:   1          2             3          4
Time: 8am        8am           8am        8am
 
      BU         Tapoff        BU         sitedisaster
 
RPO=36 hours

Backup 8pm, offsite 8am, disaster at 7:59am.

The only data available is the previous nights backup, which is already 
36 hours old at that point
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