But the IPv6 address space assigned to most networks ... I mentioned that a /40 prefix will give our simple (and admittedly simplistic) example design room to spare. I also said that you should ...

The biggest and most important difference between the two protocols is how IP addresses are written. The Internet Society provides a simple example of these differences, explaining, "The IPv6 ...

Many hackers have familiar sayings in their heads, such as “If it ain’t broke, don’t fix it” and KISS (Keep it simple ... transitioning from IPv4 to IPv6 addresses seems crazy.

While a CIO could buy IPv4 address space on gray market auctions, for example, it would be cheaper to buy more readily available IPv6 address space. The other main reason is to support end users.