The elusive hunt to protect against internal ip blackouts

You found the elusive problem was somehow Parallels H-Sphere lost its network bindings; and so you run /hsphere/shared/scripts/setup-ips.pl to re-establish the network IP address bindings following by restarting mysql and other various key services. While you breathe a sigh of relief, and update all of your clients... you might be thinking about how the problem could have been prevented... what if...