In addition to IPv4 (often written as just IP), there is IP version 6 (IPv6). IPv6 was developed as IPng (“IP:The Next Generation” because the developers were supposedly fans of the TV show “Star Trek ...

A possible fix arrived in December 1995 in the form of RFC 1883, the first definition of IPv6, the planned successor to IPv4.

When it became clear that 32-bit IP addresses just wouldn’t cut it for a growing Internet, the Internet Engineering Task Force did what its name suggests and created a new version of IP. IPv6 has so ...

The shortage of IPv4 addresses has reached a critical stage, according to the registries that allocate internet numbers around the world. The Number Resource Organization (NRO), which represents the ...

When did you first hear concern expressed about the prospect of explosive growth of the internet resulting in exhaustion of the stock of available IP addresses? About twenty years ago perhaps? All ...

Many enterprises use OSPF version 2 for their internal IPv4 routing protocol. OSPF has gone through changes over the years and the protocol has been adapted to work with IPv6. As organizations start ...

As we reported back in July, the Internet Engineering Task Force has been thinking about ways to make the IPv4 world talk to the (future) IPv6 world. This way, we don't all have to upgrade at the same ...

If you are using Internet or almost any computer network you will likely using IPv4 packets. IPv4 uses 32-bit source and destination address fields. We are actually running out of addresses but have ...

The global transition from IPv4 to IPv6 has gained major traction, driven by the urgent need to accommodate a rapidly expanding number of internet-connected devices and the introduction of IPv6 ...

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 ...