Online outages are serious. Vendors lose money for every minute their users can’t reach their web services, and business productivity tanks when employees can’t access the web applications they rely on to get their jobs done. People can be convinced to forgive the occasional blip, but full-blown outages reinforce the impression that nothing truly critical should be entrusted to the internet.
A look at some of the outages over the past year reveals a disturbing pattern. While the move to cloud-based architecture and applications has reduced complexity in IT infrastructure, that has come at the cost of resiliency. IT has to regularly balance redundancy — which improves resiliency — with complexity, and recent outages show that redundancy keeps getting left behind. Taking the time to assess potential “what if” scenarios and plan for the worst-case scenario could have, if not prevented, at least minimized the effects of these outages.
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