Geoff Huston

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IP addresses through 2024

Jan 12, 2025 | blog.apnic.net | Geoff Huston

Time for another annual roundup from the world of IP addresses. Let’s see what has changed in the past 12 months in addressing the Internet and look at how IP address allocation information can inform us of the changing nature of the network itself. Around 1992, the IETF gazed into its crystal ball and tried to understand how the Internet would evolve and what demands it would place on the addressing system as part of the ‘IP Next Generation’ study.
BGP updates in 2024

Jan 6, 2025 | blog.apnic.net | Geoff Huston

The first part of this annual report on BGP for 2024 looked at the routing table size and some projections of table growth for IPv4 and IPv6. However, the scalability of BGP as the Internet’s routing protocol is not just dependent on the number of prefixes carried in the routing table. BGP protocol behaviour in the form of dynamic routing updates is also part of this story.
BGP in 2024 | APNIC Blog

Jan 5, 2025 | blog.apnic.net | Geoff Huston

At the start of each year, it’s been my habit to report on the behaviour of the Internet’s inter-domain routing system during the previous 12 months, looking in some detail at some metrics from the routing system that can show the essential shape and behaviour of the underlying interconnection fabric of the Internet. The strong growth numbers that were a constant feature of the past thirty years of the Internet’s story are simply not present in recent data.
DNS nameservers | APNIC Blog

Dec 19, 2024 | blog.apnic.net | Geoff Huston

By L.G. Liao - http://www.airliners.net/photo/Air-China/Airbus-A321-213/2740681, CC BY-SA 3.0, Link Common folklore in the Domain Name System (DNS) is that a delegated domain name must be served by two or more nameservers. The logic for this is based on a desire for service resilience. If one server is unreachable, then hopefully, the other is not.
Post-Quantum Cryptography

Nov 28, 2024 | blog.apnic.net | Geoff Huston

It may be useful to start this article by defining what I am talking about. No, ‘Post-Quantum Cryptography’ is not about using the next generation of computer processors that may come after quantum computing, whatever that may be, to perform cryptography. It’s not even about ‘Quantum Cryptography’, which is all about devising cryptographic algorithms based on quantum mechanics.
RIPE 89 talking points, from internet security to IPv6 adoption

Nov 20, 2024 | btw.media | Tanee Shao |Geoff Huston

In the Opening Plenary, Huston questioned the resistance to adopting key security measures like DNSSEC and RPKI. During the IPv6 Working Group, he analysed barriers slowing IPv6 adoption. RIPE 89 hosted 642 onsite and 120+ online participants for five days of collaborative sessions, addressing critical Internet infrastructure challenges.
Notes from DNS OARC 43

Nov 19, 2024 | blog.apnic.net | Geoff Huston

The DNS Operations, Analysis, and Research Center (DNS-OARC) brings together DNS service operators, DNS software implementors, and researchers together to share concerns and information and learn about the operation and evolution of the DNS. They meet between two to three times a year in a workshop format. The most recent workshop was held in Prague, in October 2024. Here are my thoughts on some of the material presented and discussed at this workshop.
The Missing Data: Measuring ISP User Populations

Nov 11, 2024 | circleid.com | Geoff Huston

In our physical world, census information is used to inform the planning processes behind the provision of infrastructure, such as schools, hospitals, housing, and similar. It can be used to assess the impact of natural disasters or to understand a society’s needs in terms of food and energy security. Demographic data is also used to inform investment and business decisions. You’d think that the Internet itself would be awash with similar information.
The IPv6 transition

Oct 21, 2024 | blog.apnic.net | Geoff Huston

I wrote an article in May 2022, asking ‘Are we there yet?’ about the transition to IPv6. At the time, I concluded the article on an optimistic note, observing that we may not be ending the transition just yet, but we are closing in. I thought at the time that we wouldn’t reach the end of this transition to IPv6 with a bang but with a whimper. A couple of years later, I’d like to revise these conclusions with some different thoughts about where we are heading and why.
The size of the packet

Oct 8, 2024 | blog.apnic.net | Geoff Huston

Generated with AI. We’ve now been running packet-switched networks for many decades, and these days, packets not virtual circuits lie behind most of the world’s digital communications services. But some very fundamental questions remain unanswered in this packet-switched world.