Embattled Optus chief Kelly Bayer Rosmarin who oversaw two network outages in the last year has resigned after admitting her company had no disaster management plan.
The Optus chief will face some tough questions about the company’s poor handling of last week’s catastrophic network outage when she appears before a Senate inquiry.
Optus says the unprecedented outage last week was caused by a ‘routine software upgrade’. An expert explains why this points to more serious problems with the network.
As communications networks grow, they become incredibly complex. The concept of “three-layer architecture” helps to make sense of it all - and understand what can go wrong.