The Telstra outage is a stark reminder of the widespread effects of single system failures

According to The Guardian, a national Telstra mobile outage this week left much of Australia scrambling, and served as a stark reminder of how much the country now leans on a single network. The disruption lasted nearly five hours, halting train lines, disrupting traffic lights, freezing Eftpos card payments, and even stopping some people from charging their electric vehicles. Telstra's chief financial officer, Michael Ackland, said the cause was time-keeping servers that feed up-to-date information to the rest of the network. The episode has renewed questions about the resilience of everyday services when so much depends on one point of failure.

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