IPv4 Scar Tissue

I recently read a few articles from around the the Internet regarding the debate surrounding the use of /64 or /126 prefixes on P2P links. Here is a response I left on another site: “The idea of using /126′s is little more than scar tissue from our experience with IPv4. It is the application of…

A Life Without NAT

Network Address Translation – A Black Mark on IPv4’s Name Why do people use Network Address Translation? Because they always have, that’s why. “That’s the way we’ve always done it” is one of the dumbest reasons we do things. It precludes continued thought and absolves us the responsibility to think about why we are doing…

In the World I See…

I wrote this post several years ago.  By writing it I was trying to get people to begin to think about how the size of the IPv6 address space, when combined with RFID technologies, was going to change everything about how they manage their lives.  I wrote this way before NetFlix began streaming content, before…

On the Practical Feasibility of Ping Sweeping IPv6 Networks

The IPv6 address space is huge.  On paper each IPv6 subnet (/64) supports more than 18.4 quintillion hosts (millions, billions, trillions, quadrillions and then quintillions).  It’s an amazingly large number.  By every conceivable measure today we can’t contemplate a situation where anything but the tiniest portion of that address space will actually be utilized.  Assuming…