Internet service providers (ISPs) are running out of public IPv4 addresses and want to move away from IPv4 in their internal network. Mapping of Address and Port with Encapsulation (MAP-E), an IPv6 ...

It would have been so easy if the early Internet and TCP/IP network designers had made IPv6 backward compatible with IPv4. They didn't. In 1981, IPv4's 32-bit 4.3 billion addresses look more than ...

In the early 1990s, internet engineers sounded the alarm: the pool of numeric addresses that identify every device online was not infinite. IPv4, the fourth version of the Internet Protocol, used ...

IPv4That IP address is still commonly used, but it is predicted that this allocated IP address will be depleted in the future due to the development of the Internet, since 1997 "IPv6Although I tried ...

We just saw that the mask determines where the boundary between the network and host portions of the IP address lies. This boundary is important: If it is set too far to the right, there are lots of ...

Today is the day IPv6 finally goes live. For as long as there has been an Internet IPv4 has been synonymous with IP and nobody really stopped to think about which version of the protocol it was. But ...

The switch to IPv6 – on 6 June – shows just how imminent the transition from IPv4 to IPv6 is. The 32-bit IPv4 address space can support 4.3 billion addresses and IPv4 addresses are running out. In ...

The PCI DSS was written with IPv4 in mind and it requires that NAT be used to protect servers containing cardholder information. IPv6 networks do not need NAT and, in fact, use of NAT is less than ...