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.

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 ...

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 ...

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 ...

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 ...

The slow move to IPv6 has crept past another milestone, with the Internet Architecture Board (IAB) stating on Monday that the pool of unassigned IPv4 addresses have been allocated. "As a result, we ...

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 ...

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 ...