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About Time (WHY2025)
Manage episode 499808674 series 2475293
Content provided by CCC media team. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by CCC media team or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
A shared understanding of what time it is and the rate at which time progresses is essential in many areas of technology from industrial control to broadcast. There are two main ways of synchronizing time between multiple computers, Network Time Protocol (NTP) and Precision Time Protocol (PTP). NTP is sufficient for certificate validation, but when timing is crucial we need PTP. In this talk we will take a deep dive into PTP: what it is, how it works, and various ways to abuse it. In my previous talks about Audio over IP and AV technologies the Precision Time Protocol has come up repeatedly as something that deserves its own talk. PTP has a wider use case which makes it interesting as a target for shenanigans. The talk aims to consolidate several years of experience and research into a concise understanding of this fundamental technology. No prior knowledge about PTP or network time will be assumed. Some familiarity with networking basics will be helpful, but not essential. Warning may contain hacker humor. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://program.why2025.org/why2025/talk/LJ9879/
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2021 episodes
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Manage episode 499808674 series 2475293
Content provided by CCC media team. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by CCC media team or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
A shared understanding of what time it is and the rate at which time progresses is essential in many areas of technology from industrial control to broadcast. There are two main ways of synchronizing time between multiple computers, Network Time Protocol (NTP) and Precision Time Protocol (PTP). NTP is sufficient for certificate validation, but when timing is crucial we need PTP. In this talk we will take a deep dive into PTP: what it is, how it works, and various ways to abuse it. In my previous talks about Audio over IP and AV technologies the Precision Time Protocol has come up repeatedly as something that deserves its own talk. PTP has a wider use case which makes it interesting as a target for shenanigans. The talk aims to consolidate several years of experience and research into a concise understanding of this fundamental technology. No prior knowledge about PTP or network time will be assumed. Some familiarity with networking basics will be helpful, but not essential. Warning may contain hacker humor. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://program.why2025.org/why2025/talk/LJ9879/
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Similar to Chaos Computer Club - recent events feed (high quality)
Africa-focused technology, digital and innovation ecosystem insight and commentary.
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continue reading
Show notes are at https://stevelitchfield.com/sshow/chat.html
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continue reading
The director’s commentary track for Daring Fireball. Long digressions on Apple, technology, design, movies, and more.
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continue reading
Download This Show is your weekly guide to the world of media, culture, and technology. From social media to gadgets, streaming services to privacy issues. Each week Rae Johnston and guests take a fun, deep dive into how technology is reshaping our lives.
…
continue reading
WSJ’s Bold Names brings you conversations with the leaders of the bold-named companies featured in the pages of The Wall Street Journal. Hosts Tim Higgins and Christopher Mims speak to CEOs and business leaders in interviews that challenge conventional wisdom and take you inside the decisions being made in the C-suite and beyond.
…
continue reading
The power of Data is undeniable. And unharnessed - it’s nothing but chaos. Making data your ally. Using it to lead with confidence and clarity. Host Jess Carter is solving problems in real-time to reveal what’s possible. Helping communities and people thrive. This is Data Driven Leadership, a show brought to you by Resultant.
…
continue reading
Android Backstage, a podcast by and for Android developers. Hosted by developers from the Android engineering team, this show covers topics of interest to Android programmers, with in-depth discussions and interviews with engineers on the Android team at Google. Subscribe to Android Developers YouTube → https://goo.gle/AndroidDevs
…
continue reading
This is the audio podcast version of Troy Hunt's weekly update video published here: https://www.troyhunt.com/tag/weekly-update/
…
continue reading
We help founders make something people want.
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continue reading
Three nerds discussing tech, Apple, programming, and loosely related matters.
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Go offline with the Player FM app!
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