Negative Caching of DNS Resolution Failures

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Negative Caching of DNS Resolution Failures

FromPING

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Length:

33 minutes

Released:

Nov 8, 2023

Format:

Podcast episode

Description

TBD

Released:

Nov 8, 2023

Format:

Podcast episode

Titles in the series (45)

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.

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Leave your preconceptions at the door: Challenges and opportunities for the Internet routing system by PING
1 min listen
Making the Internet QUICer: In this episode, APNIC’s Chief Scientist, Geoff Huston joins us to discuss a new measurement project that he and his APNIC Labs colleague Joao Damas have established to measure the use and performance of the QUIC protocol (RFC 9000). by PING
48 min listen
QUIC and not so complex: We’re continuing the theme of our last episode and learning more about the intricacies and perceived complexities of the QUIC protocol from one of its contributors and proponents Robin Marx, a web protocol postdoc researcher at KULeuven in Belgium and ... by PING
43 min listen
How will the saga of IPv6 end?: In this episode, APNIC’s Chief Scientist, Geoff Huston, joins us to discuss IPv6 — a topic he has investigated exhaustively over the last 30 years.Specifically, we’re talking about the seemingly never-ending transition to IPv6, by PING
1 min listen
Do government networks have a role to play in deploying RPKI?: In our fourteenth episode, we're taking a closer look at Resource Public Key Infrastructure (RPKI) in Australia and New Zealand with Terry Sweetser.Terry recently worked on an Internet Society project to measure RPKI adoption in Australia and New Zeala... by PING
23 min listen
Why a resolverless DNS makes sense: Geoff Huston joins us again for his monthly chat, this time to consider the contradictory theory of a resolverless DNS. Contradictory because the DNS is by its nature reliant on resolvers.We'll discuss the historical process of how DNS names are resolv... by PING
51 min listen
DNS spoofing is a non-issue if we all do DNSSEC: APNIC's Chief Scientist, Geoff Huston joins us again on the show, this time to discuss three related presentations by Google, ISC and Mozilla that caught his attention during the recent IETF 114 and DNS-OARC 38 meetings on securing the DNS against spoo... by PING
39 min listen
Is my Internet Down?: In this episode of PING, Ege Cem Kirci from ETH Zurich discusses his IMC paper on users perceptions of internet outages, measured using Google Trends. This was presented at the IMC conference held in NIce, France in October 2022. by PING
43 min listen
Measuring Centrality in the DNS: In this episode of PING, APNIC's Chief Scientist Geoff Huston explores how APNIC Labs has been able to look inside behaviour in the DNS, to see signs of the "centrality" problem: How much concentration of delivery of service is there, by PING
77 min listen
Taking a systems approach to developing new protocols: In this episode, we’re returning to a topic that we last discussed in Episode 20, with Robin Marx, and unpacking the intricacies and perceived complexities of the QUIC and other similar new protocols.To help, we’ve invited Larry Peterson and Bruce Davie, by PING
46 min listen
How APNIC Labs measures the world using adverts by PING
65 min listen
Taking a clean slate to designing the Internet of the future: Today’s Internet is a Frankenstein’s monster of parts that have been bolted together. If it was a house, it would be a knock-down job — far easier to start from scratch.This is easier said than done or so many thought as we’ll come to learn in this epi... by PING
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Rethinking how we measure video performance: In this episode, we chat with Anant Shah, Principal Architect at Edgecast, about the challenges with measuring video streaming quality of experience. We'll discuss the fundamentals of video streaming, including the protocols, by PING
39 min listen
Journeying into XDP: Cardinality and Keys: In this episode of PING, Luuk Hendricks and Willem Toorop from NLNet talk about their work to embed telemetry in the linux kernel using eXpress Data Path (XDP)Read more about XDP in a series of articles published in the APNIC blog:Journeying into XDP: ... by PING
45 min listen
Can technology curb centralization in the Internet?: APNIC's Chief Scientist, Geoff Huston, joins PING for his month chat, to share his thoughts on discussions at the recent meeting of the Decentralized Internet Infrastructure Research Group (DINRG) at IETF 114. by PING
49 min listen
How much buffer is enough?: In this episode of PING, APNIC's Chief Scientist Geoff Huston discusses the question of buffers, flow control and 'efficient' use of a network link.How do we maximise the use of a given network path, without knowing everything about its size along the ... by PING
65 min listen
But wait - there's more: The rise (and possible fall) of LEO: In this episode of PING, APNIC's Chief Scientist Geoff Huston discusses Low Earth Orbit (LEO) satellite communications and the amazing effects they are having on internet reach worldwide.Read more about the issues in LEO and satellite communications on... by PING
1 min listen
A brief dip into DNS OARC 39: In this episode of PING, APNIC's Chief Scientist Geoff Huston talks through some of the presentations he saw (and gave) at the recent DNS OARC 39 meeting held in Belgrade.Read more about DNS OARC and the presentations mentioned:DNS OARCCasey Deccio's p... by PING
60 min listen
Measuring User Experience on the Web at APNIC: In this episode of PING, Andre Geldeblom from APNIC product development discusses how APNIC is measuring user experience, satisfaction and engagement with the "Orbit" system we deployed to provide web services integrated with email. by PING
35 min listen
Network Dependency measurement at IIJ: In this episode of PING, Dr Romain Fontugne, the deputy director of research at IIJ Labs in Tokyo discusses the IIJ "Internet Health Report" and AS Hegemony (or network centrality) in particular.This is a data model they have been working on for some t... by PING
50 min listen
A Look Back at Notable Root Zone Changes: In this episode of PING, Verisign Fellow Duane Wessels discusses notable changes in the DNS root zone over the last 13 years.Duane joined Verisign in the early stages of DNSSEC deployment and has conducted measurements of DNS for many years, by PING
44 min listen
What's happening with growth in BGP?: In this episode of PING, APNIC's Chief Scientist Geoff Huston discusses the current situation in BGP across IPv4 and IPv6. Historically. we've met the "running out of memory" problem with incremental upgrades but things have now come to a place where "... by PING
46 min listen
DASH sees a large route leak in Singapore: In june of this year, the Dashboard for AS Health or DASH, a service operated by APNIC saw a leak of approximately 260,000 BGP routes from a vantage point in Singapore, and sent alerts to around 90 subscribers to our routing mis-alignment notification ... by PING
30 min listen
Reverse Traceroute: It's just traceroute, but the other direction by PING
39 min listen
DNSSEC: The case for and against: In this episode of PING, APNIC's Chief Scientist Geoff Huston discusses DNSSEC and presents a case "for" and "against" deployment, in the context of complexity, fragility, and impact on the DNS process at large. by PING
64 min listen
Measuring Ourselves: How the IETF performs at producing documents: In this episode of PING, Christian Huitema discusses how looking into the IETF data tracker allowed him to assess "how well we are doing" at document production.As the IETF has grown, and as the process of developing standards has got more complex its ... by PING
55 min listen
What really happened — 30 years of APNIC: In this episode of PING, instead of a conversation with APNIC’s Chief Scientist Geoff Huston we’ve got a panel session from APNIC56 he facilitated, where Geoff and six guests got to discuss the 30 year history of APNIC. by PING
80 min listen
Here comes the Sun(spots): What's the real risks in solar storms?: In this episode of PING Jaap Akkerhuis (NLNet Labs), Ulrich Spiedel (University of Auckland) and Russ White (Juniper) discuss the issues behind Sunspots, ionisation in the athmosphere and it's effects on satellite communications and terrestrial infrast... by PING
45 min listen
Failed Expectations: 40 years of network history: In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses the major themes from his recent blog on “Failed Expectations”In a trip down memory lane, the podcast ranges over the 40 year plus history of how we came to have the current Intern... by PING
72 min listen
Global Cyber Alliance Measurements: In this episode of PING, Leslie Daigle from the Global Cyber Alliance (GCA) discusses their honeynet project, measuring bad traffic internet-wide. This was originally focussed on IoT devices with the AIDE project but is clearly more generally informati... by PING
38 min listen

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Using Fibre Optics to measure vehicle traffic: 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. by PING
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Digital sovereignty and standards: 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 ... by PING
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DNS OARC's many faces: 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, by PING
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DELEG - a proposed new way to manage DNS Delegation in-band: In this episode of PING, APNICs Chief Scientist Geoff Huston discusses a new proposed DNS resource record called DELEG. The record is being designed to aid in managing where a DNS zone is delegated.Delegation is the primary mechanism used in the DNS to... by PING
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Taking the PULSE of the Internet: This time on PING we have Amreesh Phokeer from the Internet Society (ISOC) talking about a system they operate called Pulse, available at https://pulse.internetsociety.org/. Pulse’s purpose is to assess the “resiliency” of the Internet in a given local... by PING
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DNS is the new BGP: In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses the role of DNS in directing where your applications connect to, and where content comes from. Although this more “steering” traffic than it “routing” in the strict sense of IP pac... by PING
54 min listen
Global Cyber Alliance Measurements: In this episode of PING, Leslie Daigle from the Global Cyber Alliance (GCA) discusses their honeynet project, measuring bad traffic internet-wide. This was originally focussed on IoT devices with the AIDE project but is clearly more generally informati... by PING
38 min listen
IPv6 Fragmentation and the DNS: In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses the change in IP packet fragmentation behaviour adopted by IPv6, and the implications of a change in IETF “Normative Language” regarding use of IPv6 in the DNS. by PING
56 min listen
The ICANN DNS stats collector system: In this episode of PING, Sara Dickinson from Sinodun Internet Technologies and Terry Manderson, VP, Information Security and Network Engineering at ICANN discuss the ICANN DNS stats collector system which ICANN commissioned, and Sinodun wrote for them. by PING
30 min listen
Low Earth Orbit and the TCP congestion control problem: In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses the rise of Low Earth Orbiting (LEO) Satellite based Internet, and the consequences for end-to-end congestion control in TCP and related protocols. by PING
77 min listen
What really happened — 30 years of APNIC: In this episode of PING, instead of a conversation with APNIC’s Chief Scientist Geoff Huston we’ve got a panel session from APNIC56 he facilitated, where Geoff and six guests got to discuss the 30 year history of APNIC. by PING
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Where in the world is Carmen Santiego's Data Centre?: In this episode of PING, Stephen Song discusses his work mapping the Internet. This is a long-term project, which he carries out alongside and supported by the Network Startup Resource Centre (NSRC), the Association for Progressive Communications (APC), by PING
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How APNIC Labs measures the world using adverts by PING
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DASH sees a large route leak in Singapore: In june of this year, the Dashboard for AS Health or DASH, a service operated by APNIC saw a leak of approximately 260,000 BGP routes from a vantage point in Singapore, and sent alerts to around 90 subscribers to our routing mis-alignment notification ... by PING
30 min listen
The Chips are down: Moore's Law coming to an end.: In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses the coming future of VLSI with Moores law coming to an end. This was motivated by a key presentation made at the most recent ANRW session at IETF117, San Francisco. by PING
57 min listen
Here comes the Sun(spots): What's the real risks in solar storms?: In this episode of PING Jaap Akkerhuis (NLNet Labs), Ulrich Spiedel (University of Auckland) and Russ White (Juniper) discuss the issues behind Sunspots, ionisation in the athmosphere and it's effects on satellite communications and terrestrial infrast... by PING
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About Time: The Swedish national secure time distribution initiative: In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses how Sweden built a national time distribution system and the nature of time in the modern Internet.At the RIPE86 Meeting held in Rotterdam in May of this year, Karin Ahl, by PING
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Measuring Ourselves: How the IETF performs at producing documents: In this episode of PING, Christian Huitema discusses how looking into the IETF data tracker allowed him to assess "how well we are doing" at document production.As the IETF has grown, and as the process of developing standards has got more complex its ... by PING
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Failed Expectations: 40 years of network history: In this episode of PING, APNIC’s Chief Scientist Geoff Huston discusses the major themes from his recent blog on “Failed Expectations”In a trip down memory lane, the podcast ranges over the 40 year plus history of how we came to have the current Intern... by PING
72 min listen
A Look Back at Notable Root Zone Changes: In this episode of PING, Verisign Fellow Duane Wessels discusses notable changes in the DNS root zone over the last 13 years.Duane joined Verisign in the early stages of DNSSEC deployment and has conducted measurements of DNS for many years, by PING
44 min listen
How much buffer is enough?: In this episode of PING, APNIC's Chief Scientist Geoff Huston discusses the question of buffers, flow control and 'efficient' use of a network link.How do we maximise the use of a given network path, without knowing everything about its size along the ... by PING
65 min listen
Network Dependency measurement at IIJ: In this episode of PING, Dr Romain Fontugne, the deputy director of research at IIJ Labs in Tokyo discusses the IIJ "Internet Health Report" and AS Hegemony (or network centrality) in particular.This is a data model they have been working on for some t... by PING
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But wait - there's more: The rise (and possible fall) of LEO: In this episode of PING, APNIC's Chief Scientist Geoff Huston discusses Low Earth Orbit (LEO) satellite communications and the amazing effects they are having on internet reach worldwide.Read more about the issues in LEO and satellite communications on... by PING
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DNSSEC: The case for and against: In this episode of PING, APNIC's Chief Scientist Geoff Huston discusses DNSSEC and presents a case "for" and "against" deployment, in the context of complexity, fragility, and impact on the DNS process at large. by PING
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Measuring User Experience on the Web at APNIC: In this episode of PING, Andre Geldeblom from APNIC product development discusses how APNIC is measuring user experience, satisfaction and engagement with the "Orbit" system we deployed to provide web services integrated with email. by PING
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Negative Caching of DNS Resolution Failures

Negative Caching of DNS Resolution Failures

Description

Titles in the series (45)

More Episodes from PING