The whole idea of the internet (and even some of our infra, like suburbs or highways/rail) is that there's no one single point of failure. Like designed-to-survive-nuclear-war redundant.
Definitely incorporate the most advanced tech you can for when things are going smoothly to get that efficency gain, but there's a reason all branches of the military (that I'm aware of) still train and test their aptitude using paper maps and trig instead of relying 100% on GPS and electronic devices.