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ความถี่ในการอัพเดต:
biweekly
ความยาวเสียงโดยเฉลี่ย:
44 minutes
สัมภาษณ์แขก
ภาษาอังกฤษ
สหรัฐอเมริกา
122 ตอน
ตั้งแต่ 22 ตุลาคม 2021
episodic

ตอนล่าสุด 🔗

In this episode of PING we’re hearing from Duane Wessels, a fellow from Verisign who researches DNS and who we’ve had on PING before. This time Duane is discussing the history of changes of top level Key Signing Key (KSK) called “roll-over” of the KSK at the root of the DNS. This month on the 11th …

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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 see…
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” a…

DNS Cold Start

· ถอดเสียง
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-9…
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 st…

DNS Query Duplication

· ถอดเสียง
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 label…
In this episode of PING, we talk with Willem Toorop about a measurement of 6 choices for naming the root servers of the global DNS. This measurement was motivated by RSSAC 028, a 2017 technical analysis for ICANN of the naming scheme used by the root DNS servers. Root name servers are part of the …
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 …
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…

About Time

· ถอดเสียง
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 syn…
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