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 ...

Some time last year, a weird thing happened in the hackerspace where this is being written. The Internet was up, and was blisteringly fast as always, but only a few websites worked. What was up?

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 February, the news broke that the Internet Assigned Numbers Authority had allocated the final blocks of IPv4 addresses to the five Regional Internet Registries to be distributed to parties within ...

If you’ve ever been configuring a router or other network device and noticed that you can set up IPv4 and IPv6, you might have wondered what happened to IPv5. Well, thanks to [Navek], you don’t have ...

In this post, I will explain some of the basics that are easy to understand. Before we discuss the differences between IPv4 and IPv6, we need to know some of the basics of IPv4. Finally, I will ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

IPv4 addresses are set to finally run out in about a month’s time, leaving IPv6 deployment as the only viable solution for Internet growth over the long term. In October, the RIPE NCC – as the ...

It’s no news that the Internet, which currently runs on internet protocol version 4 (IPv4), has a limited number of IP addresses available, and has already fallen short to suffice the needs of ...