HeyJaredPING
PING is a podcast for people who want to look behind the scenes into the workings of the Internet. Each fortnight we will chat with people who have built and are improving the health of the Internet.The views expressed by the featured speakers are their own and do not…
- Indexed episodes, last 90 days
- 6
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- Sep 16, 2026
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- Jul 8, 2026
Latest episodes
"Just say no" isn't as simple as you think (opens the original)
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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 seen, and we therefore have multiple queries about multiple things. Geoff has been exploring two facets of the DNS. Firstly, Exploring the effects how you answer "NO" has on the amount of queries you see,
Measuring the impact of locally served root zone (opens the original)
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In this episode of PING, we talk with Willem Toorop from NLNet Labs and Ilyas Rahimi who recently completed a masters in Security and Network Engineering at the University of Amsterdam (UvA). They’ve been looking at the effects of local root serving. Ilyas was on a masters programme called “OS3” at UvA (from the triplet of Open Standards, Open Software and Open Security). NLNet labs is on the campus of UvA and Willem has been working with the masters programme for some time, pursuing research in
DNS Cold Start (opens the original)
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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-92 Meeting held in Edinburgh, in the DNS working group. Cache, is the things you hold on to, from prior work done. It’s a fundamental technique in computer science to avoid the massive disparity in spee
Canonical Cache Representation (opens the original)
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In this episode of PING, we talk with Job Snijders about secure Internet routing again, focusing on an approach to preserving the state of RPKI as a longterm historical record for research and analysis. Job was last on PING to discuss the “Erik” protocol. Job has been running an archive of RPKI state for some time, as a volunteer activity but an exercise which was feasible when BGP speakers producing ROA objects was measured in the hundreds to low thousands is significantly more expensive when t
DNS Query Duplication (opens the original)
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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 labels on a given day, The Labs system is collecting 270 million incoming DNS queries. Thats a lot of duplication. What's going on? The advertising data collection depends on issuing unique DNS queries, whi
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