Network Design

Designing for Failure

Tacoma Narrows

June’s British Airways IT outage, apparently caused by a power system failure, caused a stir among air travelers and the IT industry alike. Interestingly, the highly publicized August 2016 data center outage at Delta Airlines was also power system related. Why did a failure in a power system component bring down an entire data center? And why did they not have a functioning disaster recovery plan to fail over to a backup data center?