The other day I was watching the ‘Deep Impact’ movie and realized that there is so much to learn for Enterprise Architects from it in the area of Business Continuity Planning (BCP) or Disaster Recovery (DR).
Just to mention here, BCP is a very broad term which influences both business and IT. While DR is mostly used by IT and refers to bringing the IT systems back after natural disaster or catastrophe failure.
The two most important lessons learnt are:
1. Diversity – For enterprise to run normal at some capacity, most important systems of every business function needs to be running.
2. Dependency – The interdependency amongst systems should be known and should be used while planning the recovery.
So while preparing your DR plan, it is important that you do not plan for ‘all systems need to be brought up as soon as possible’ kind of stuff. Instead in conjunction with business, have the priority of systems clearly identified so that you can sequence the recovery while keeping in mind the interdependencies of systems.
Also make sure you do not have circular dependencies amongst your systems.
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