“DNS is down and nothing is working!” is not something anyone ever wants to hear at 3am. Virtually every service on a modern network depends on DNS to function. When DNS goes down, you can't send mail ...

One of the more surprising features of IPv6 was the inclusion of an entirely new communication model, anycast, to join the existing unicast and multicast models. Where unicast communication permits ...

After months of issues, they have finally restored my access to my blog! After such a hiatus, it is my pleasure to bring this particular post. I’m certain many will find it at the very least cool in ...

What is BGP anycast? Can it be used like BGP hijacking for malicious purposes, such as distributed denial-of-service attacks? Anycast addressing uses a one-to-nearest association. Packets are routed ...