Closing the Loop on Testing Network Changes

“..the best way to guard against error is to design systems with layered and overlapping defenses…like slices of Swiss cheese being layered on top of one another until there were no holes you could see through” — from The Premonition, Michael Lewis

This story is written by Dinesh Dutt and Ratul Mahajan

Network changes, such as adding a rack, adding a VLAN or a BGP peer or upgrading the OS, can easily cause an outage and materially impact your business. Rigorous testing is key to minimizing the chances of change-induced outages. A…