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
December 11, 2024 • 65 mins
In the last episode of PING for 2024, APNIC’s Chief Scientist Geoff Huston discusses the shift from existing public-private key cryptography using the RSA and ECC algorithms to the world of ‘Post Quantum Cryptography. These new algorithms are designed to withstand potential attacks from large-scale quantum computers and are capable of implementing Shor’s algorithm, a theoretical approach for using quantum computing to break the cry...
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November 27, 2024 • 36 mins
This time on PING, Peter Thomassen from SSE and DEsec.io discusses his analysis of the failure modes of CDS and CDNSKEY records between parent and child in the DNS. These records are used to provide in-band signalling of the DS record, fundamental to the maintenance of a secure path from the trust anchor to the delegation through all the intermediate parent and grandparent domains. Many people use out-of-band methods to update this...
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November 13, 2024 • 59 mins
In his regular monthly spot on PING, APNIC’s Chief Scientist Geoff Huston discusses the slowdown in worldwide IPv6 uptake. Although within the Asia-Pacific footprint we have some truly remarkable national statistics, such as India which is now over 80% IPv6 enabled by APNIC Labs measurements, And Vietnam which is not far behind on 70% the problem is that worldwide, adjusted for population and considering levels of internet penetra...
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October 30, 2024 • 27 mins
In this episode of PING, Vanessa Fernandez and Kavya Bhat, two students from the National Institute of Technology Karnataka (NITK) discuss the student led, multi-year project to deploy IPv6 at their campus. Kavya & Vanessa have just graduated, and are moving into their next stages of work and study in computer sciences and network engineering.
Across 2023 and 2024 they were able to attend IETF118 and IETF119 and present on t...
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October 16, 2024 • 69 mins
In his regular monthly spot on PING, APNIC’s Chief Scientist, Geoff Huston, discusses a large pool of IPv4 addresses left in the IANA registry, from the classful allocation days back in the mid 1980s. This block, from 240.0.0.0 to 255.255.255.255 encompasses 268 million hosts, which is a significant chunk of address space: it's equivalent to 16 class-A blocks, each of 16 million hosts. Seems a shame to waste it, how about we get th...
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October 2, 2024 • 34 mins
In this episode of PING, Nowmay Opalinski from the French Institute of Geopolitics at Paris 8 University discusses his work on resilience, or rather the lack of it, confronting the Internet in Pakistan.
As discussed in his blog post, Nowmay and his colleagues at the French Institute of Geopolitics (IFG), University Paris 8, and LUMS University Pakistan used a combination of technical measurement from sources such as RIPE Atlas, ...
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September 18, 2024 • 49 mins
In his regular monthly spot on PING, APNIC’s Chief Scientist, Geoff Huston, discusses another use of DNS Extensions: The EDNS0 Client Subnet option (RFC 7871). This feature, though flagged in its RFC as a security concern, can help route traffic based on the source of a DNS query. Without it, relying only on the IP address of the DNS resolver can lead to incorrect geolocation, especially when the resolver is outside your own ISP’s ...
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September 4, 2024 • 33 mins
In this episode of PING, Joao Damas from APNIC Labs explores the mechanics of the Labs measurement system. Commencing over a decade ago, with an "actionscript" (better known as flash) mechanism, backed by a static ISC Bind DNS configuration cycling through a namespace, the Labs advertising measurement system now samples over 15 million end users per day, using Javascript and a hand crafted DNS system which can synthesise DNS names ...
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August 21, 2024 • 54 mins
In his regular monthly spot on PING, APNIC’s Chief Scientist Geoff Huston re-visits the question of DNS Extensions, in particular the EDNS0 option signalling maximum UDP packet size accepted, and it’s effect in the modern DNS.
Through the APNIC Labs measurement system Geoff has visibility of the success rate for DNS events where EDNS0 signalling triggers DNS “truncation” and the consequent re-query in TCP as well as the impact o...
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August 7, 2024 • 30 mins
In this episode of PING, Caspar Schutijser and Ralph Koning from SIDN Labs in the Netherlands discuss their post-quantum testbed project. As mentioned in the previous PING episode about Post Quantum Cryptography (PQC) in DNSSEC with Peter Thomassen from SSE and Jason Goertzen from Sandbox AQ it's vital we understand how this technology shift will affect real-world DNS systems in deployment.
The SIDN Labs system has been designed...
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July 24, 2024 • 49 mins
In his regular monthly spot on PING, APNIC’s Chief Scientist Geoff Huston continues his examination of DNSSEC. In the first part of this two-part story, Geoff explored the problem space, with a review of the comparative failure of DNSSEC to be deployed by zone holders, and the lack of validation by the resolvers. This is visible to APNIC labs from carefully crafted DNS zones with validly and invalidly signed DNSSEC states, which a...
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July 10, 2024 • 35 mins
This time on PING, Peter Thomassen from deSEC and Jason Goertzen from Sandbox AQ discuss their research project on post quantum cryptography in DNSSEC, funded by NLNet Labs.
Post Quantum cryptography is a response to the risk that a future quantum computer will be able to implement Shor's Algorithm -a mechanism to uncover the private key in the RSA public-private key cryptographic mechanism, as well as Diffie-Hellman and Ellipti...
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June 26, 2024 • 54 mins
In his regular monthly spot on PING, APNIC’s Chief Scientist Geoff Huston discusses DNSSEC and it's apparent failure to deploy at scale in the market after 30 years: Both as the state of signed zone uptake (the supply side) and the low levels of verification seen by DNS client users (the consumption side) there is a strong signal DNSSEC isn't making way, compared to the uptake of TLS which is now ubiquitous in connecting to website...
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June 12, 2024 • 38 mins
This time on PING, Philip Paeps from the FreeBSD Cluster Administrators and Security teams discusses their approach to systems monitoring and measurement.
Its eMail.
“Short podcast” you say, but no, there’s a wealth of war-stories and “why” to explore in this episode.
We caught up at the APNIC57/APRICOT meeting held in Bangkok in February of 2024. Philip has a wealth of experience in systems management and security and a l...
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May 29, 2024 • 61 mins
In his regular monthly spot on PING, APNIC’s Chief Scientist Geoff Huston discusses the question of subnet structure, looking into the APNIC Labs measurement data which collects around 8 million discrete IPv6 addresses per day, worldwide.
Subnets are a concept which "came along for the ride" in the birth of Internet Protocol, and were baked into the address distribution model as the class-A, class-B and class-C subnet models (th...
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May 15, 2024 • 30 mins
This time on PING Doug Madory from Kentik discusses his recent measurements of the RPKI system worldwide, and it's visible impact on the stability and security of BGP.
Doug makes significant use of the Oregon RouteViews repository of BGP data, a collection maintained continuously at the University of Oregon for decades. It includes data from back to 1997, originally collected by the NLANR/MOAT project and has archives of BGP Rou...
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May 1, 2024 • 62 mins
In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses Starlink again, and the ability of modern TCP flow control algorithms to cope with the highly variant loss and delay seen over this satellite network. Geoff has been doing more measurements using starlink terminals in Australia and the USA, at different times of day exploring the system behaviour.
Starlink has broken new ground in Low Earth Orbit interne...
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April 17, 2024 • 27 mins
This time on PING, Dr Mona Jaber from Queen Mary University of London (QMUL), discusses her work exploring IoT, Digital Twins and Social Science led research in the field of networking and telecommunications.
Dr Jaber is a senior lecturer in QMUL and is the founder and director of the Digital Twins for Sustainable Development Goals (DT4SDG) at QMUL. She was one of the invited Keynote speakers at the recent APRICOT/APNIC57 me...
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April 3, 2024 • 65 mins
In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses the European Union's consideration of taking a role in the IETF, as itself. Network engineers, policy makers and scientists from all around the world have participated in IETF but this is the first time an entity like the EU has considered participation as itself in the process of standards development.
What's lead to this outcome? What is driving the c...
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March 20, 2024 • 40 mins
This time on PING we have Phil Regnauld from DNS Operations Analysis & Resource Center (DNS-OARC) talking about the three distinct faces OARC presents to the community.
Phil came to the OARC presidents role, replacing Keith Mitchell who was the founding president since 2008 through to this year. Phil previously has worked with the Network Startup Resource Centre (NSRC) and with AFNOG, and the Francophone Internet community at la...
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