From the article: John Doyle, Professor of Control and Dynamical Systems at Caltech, has maintained for years that this analysis was not just wrong, but so “comically wrong” to anyone who knew anything at all about Internet architecture that “most engineers thought it was a hoax.” As Doyle explains, “The irony of the claim is that the Internet is incredibly robust to physical challenges—but it’s terribly fragile to more sophisticated, software attacks that leave the routers intact but send unwanted packets and malware to the users.”