| ▲ | cwillu 2 hours ago | |
Audible alarms, failsafe heartbeats and scheduled networking are not new technologies. | ||
| ▲ | reaperducer 15 minutes ago | parent [-] | |
Audible alarms, failsafe heartbeats and scheduled networking are not new technologies. And yet, still not "guaranteed," which was the criteria specified by the OP. | ||