# Geoff Huston

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BGP in review for 2025

· תמליל
In this episode of PING, APNIC Chief Scientist Geoff Huston returns with his annual review of BGP, reflecting on developments across 2025. Geoff has been publishing this year-in-review analysis of BGP dynamics for more than a decade, and this time he has uncovered some genuinely surprising shifts.‮…

Measuring the use of DNS over IPv6

In this episode of PING, APNIC Chief Scientist Geoff Huston discusses running advertising-based experiments and a problem of interest in the modern DNS. DNS fundamentally requires end users, their chosen resolver provider, and the authoritative servers for the names they query to cooperate in a c‮…

What does “BCP” really mean?

In this episode of PING, APNIC Chief Scientist Geoff Huston discusses an emerging concern about how the IETF interprets the concept of ‘Best Current Practice‘ (BCP). In his previous episode, Geoff explored emerging questions around DNS provisioning over IPv6, including experimental observations o‮…

CIDR inside

In this episode of PING, APNIC Chief Scientist Geoff Huston discusses the tortuous history of The CIDR report Classless Inter-Domain Routing or CIDR, is a mechanism defined in the 90s, to replace the former model of fixed sized networks defined in RFC791 called class-A class-B or class-C (there ‮…

About Time

In this episode of PING, APNIC Chief Scientist Geoff Huston and I discuss Network Time Protocol or NTP. NTP is one of the older systems we depend on, designed and implemented by Dave Mills who died in 2024. Dave had been working on time synchronisation from the mid 1970s, and cared deeply about sy‮…

What ‘name-based routing’ really means

In recent PING episodes, APNIC Chief Scientist Geoff Huston has asserted that Internet routing has shifted away from traditional IP packet forwarding. Instead, it is increasingly driven by processes that map names to addresses. It’s no longer just about your IP address or the specific endpoint you‮…

IPv6 Buzz 055: The Good, Bad, And Ugly Of IPv6 With Geoff Huston

We discuss the challenges and opportunities of IPv6 with Geoff Huston, APNIC's chief scientist and network analyst nonpareil. Topics include how dual-stack and Happy Eyeballs have papered over v6 deficiencies, why the address space may not be as vast as advertised, and why v6 is still the future.

DNS Query Duplication

In this episode of PING, APNIC Chief Scientist Geoff Huston and I discuss a traffic behaviour in the DNS which Geoff has noticed in the labs advertising based experimental data capture. Virtually every DNS query Geoff sees, he sees twice (or more). For a cohort of about 150 million unique DNS labe‮…

DNS Cold Start

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In this episode of PING, APNIC Chief Scientist Geoff Huston and I discuss the behaviour of the DNS system when you have to come up from nothing: the “cold start” where no data exists from prior queries in your “cache”. This stems from a talk given by Ondřej Surý, that Geoff saw at the recent RIPE-‮…

"Just say no" isn't as simple as you think

· תמליל
In this episode of PING, APNIC Chief Scientist Geoff Huston and I continue a discussion about the repeat queries Geoff sees on the APNIC Labs experiment. Across time this number has changed, as DNS protocol usage has changed. We now have DNS records which didn't exist when the problem was first se‮…