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.

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 ...

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 ...

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 ...

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 ...

How to support transitional routing of IPv6 through IPv4 Configuring 6to4 and Teredo Configuring IP-HTTPS and Microsoft DirectAccess Understanding Tunnel Brokers This is the fifth technical blog post ...

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 ...

The first thing you need to know is … don’t panic. The transition from IPv4 to IPv6 will be nothing like the prospect of Y2K in 1998-1999. However, it is a migration issue that you need to keep up to ...

Twenty years ago, the fastest Internet backbone links were 1.5Mbps. Today we argue whether that’s a fast enough minimum to connect home users. In 1993, 1.3 million machines were connected to the ...