PING

PING

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 necessarily reflect the views of APNIC.

Episodes

The Erik protocol: improving RPKI data fetch

June 10, 2026 • 38 mins
In this episode of PING we’re hearing about secure Internet Routing and its data distribution problem from Job Snijders who has been on PING before talking about his measurements in BGP and RPKI. We caught up at IETF125 in Shenzhen where Job presented to the SIDROPS working group on a new protocol he’s been designing, called Erik. The Erik protocol was named in honour of Erik Bais who died in May 2024. Erik was a sta...
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About Time

May 27, 2026 • 36 mins
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 synchronising the emerging ARPAnet and the Internet, with the pre-existing worldwide collaborative framework which regulates our sense of t...
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The socialised cost of online abuse

May 13, 2026 • 45 mins
This time on PING I'm talking to Alban Kwan from the Trusted Notifier Network (TNN). I caught up with Alban at the APRICOT/APNIC61 meeting held recently in Jakarta, where Alban was attending the policy and governance sessions with a particular interest in the problem of online abuse mitigation. Alban is interested in bridging the gap between the business and technical communities in this problem space. When it comes to crafting ...
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CIDR inside

April 29, 2026 • 49 mins
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 were actually class-D and class-E but for now we can ignore them) -the "Classless" part means no longer obeying the fixed bit...
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IP Networking in Deep Space

April 15, 2026 • 49 mins
This episode of PING is an interview with Marc Blanchet from Viagenie in Quebec, Canada. Marc has been active in Internet Procotols and the IETF for decades, most recently focussed on Internet Protocol communications in deep space. Marc presented at the recent APRICOT/APNIC61 meeting held in Jakarta. We've got used to the idea of IP working in Low Earth Orbit, with the rise of Starlink as a high speed service which in many cases...
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What does “BCP” really mean?

April 1, 2026 • 27 mins
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 on its performance characteristics. Towards the end of the discussion, we turned to how the Internet Engineering Task Force ...
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bgproutes.io: A next-generation BGP data collection platform

March 18, 2026 • 27 mins
This episode of PING features Thomas Alfroy and Thomas Holterbach from the University of Strasbourg, talking about bgproutes.io - A new approach to BGP data collection and analysis. We've featured bgproutes.io on PING before, when we discussed GILL and DFOH with Professor Cristal Pelsser from Louvain University. At that stage, the project was in an early stage and we focussed on the machine learning and approaches to selecting t...
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Measuring the use of DNS over IPv6

March 4, 2026 • 52 mins
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 coordinated exchange over IP protocols to answer DNS questions. The specifics of how these queries are encoded and transmitted become co...
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Internet measurement in Thailand

February 18, 2026 • 21 mins
This episode of PING features two members of the Thai academic and research community and was recorded last year at IETF 122 in Bangkok. With a population of more than 70 million, Thailand has around 80 publicly funded universities and a further 70 or more private institutions, and undertakes substantial research in telecommunications and computing. A leading example is the Asian Institute of Technology (AIT), which has run the AIN...
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BGP in review for 2025

February 4, 2026 • 57 mins
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. His 2025 analysis has been published in two parts on the APNIC Blog. Border Gateway Protocol (BGP) is the mechanism by which network ...
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NITK Students at IETF: Fresh Minds for standards development

January 21, 2026 • 30 mins
Welcome back to PING for 2026 and season 6. This time on PING, we have a pair of interviews with students from the National Institute of Technology Karnataka, Surathkal (NITK), recorded last year at IETF 122. This is the second time we've heard from students from NITK. We previously heard from Vanessa Fernandes and Kavya Bhat when they attended IETF 119 in 2024. NITK is a large, technically focused university located on India...
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Going Dark: measurement when the Internet hides the detail

December 10, 2025 • 54 mins
In the final podcast for 2025, APNIC Chief Scientist Geoff Huston discusses the problem of independent measurement in an Internet which is increasingly “going dark”. Communications has always included a risk of snooping, and a matching component of work to enhance privacy, from the simplest ciphers used in ancient times, techniques of hiding and discovering messages, attempts to prevent and detect intrusion of the ma...
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Adjusting for data source bias in Internet Measurements

November 26, 2025 • 38 mins
This time PING features Emile Aben from the RIPE NCC R&D Department. Emile is a Senior Research Engineer, and for over a decade and a half has been looking at Internet Measurement at RIPE in the Atlas system, and in the RIPE RIS BGP data collection. Emile and a collaborator Romain Fontugne from IIJ Labs in Tokyo have been exploring a model of the influence and effect on global connectivity in BGP for different AS, based on t...
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the Realpolitik of undersea cables

November 12, 2025 • 52 mins
In this episode of PING, APNIC Chief Scientist Geoff Huston explores the complex landscape of undersea cables. They have always had a component of strategic interest, communications and snooping on communications has been a constant since writing was invented, and the act of connecting two independent nation states by a telegraph wire invokes questions of ownership and jurisdiction right from the start. After the initial physics...
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Greasing the wheels

October 29, 2025 • 36 mins
In this episode of PING, Shumon Huque from Salesforce discusses how protocols with extensible flag fields can benefit from regular testing of the values possible in the packet structure. This technique is known as "greasing" and has a strong metaphorical meaning of "greasing the wheels" to ensure future uses aren't blocked by mistaken beliefs about the possible values. Intermediate systems (so-called "middleboxes") have to try a...
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Geolocation and Starlink

October 15, 2025 • 50 mins
In this episode of PING, APNIC Chief Scientist Geoff Huston discusses a problem which cropped up recently with the location tagging of IP addresses seen in the APNIC Labs measurement system. For compiling national/economic and regional statistics, and to understand the experimental distribution into each market segment, Labs relies on the freely available geolocation databases from maxmind.com, and IPinfo.io -which in turn are cons...
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Measuring RSSAC047 Conformance

October 1, 2025 • 31 mins
RSSAC047 - a document from the Root Server System Advisory Committee proposed a set of metrics to measure DNS root servers, and the DNS root server system as a whole. the document was approved in 2020, and ICANN worked on an implementation of the metrics as code, and a deployment into 20 points of measurement distributed worldwide. ISC and Verisign, two of the root server operators proposed a review of this measurement and retai...
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Faster Network design with simpler hardware: TCP Flow control and ECN.

September 17, 2025 • 52 mins
In this episode of PING, APNIC Chief Scientist Geoff Huston shares a story from the recent AusNOG in Melbourne and connects it to measurement work at APNIC Labs, exploring how modern IP flow control manages ‘fair shares’ of the network. At AusNOG 2025, Geoff attended a talk by Lincoln Dale of Amazon AWS titled “No Packet Left Behind: AWS’s Approach to Building and Operating Reliable Networks”. The p...
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Whats going on in bad traffic in 2025

September 3, 2025 • 27 mins
In this episode of PING, Adli Wahid, APNIC's Security Specialist discusses the APNIC honeypot network, an investment in over 400 collectors distributed throughout the Asia Pacific, collecting data on who is trying to break into systems online and use them for malware, destributed denial of service, and command-and-control systems in the bad traffic economy. Adli discusses how APNIC Members can get access to the results of honeyn...
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The Inevitability of Centrality

August 20, 2025 • 60 mins
In this episode of PING, APNIC’s Chief Scientist, Geoff Huston, discusses the economic inevitability of centrality, in the modern Internet. Despite our best intentions, and a lot of long standing belief amongst the IETF technologists, no amount of open standards and end-to-end protocol design prevents large players at all levels of the network (from the physical infrastructure right up to the applications and the data centres...
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