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Stephen Strowes

Location: Amsterdam — Main Language: en

Pages created by Stephen Strowes

Talking Traffic at TMA 2017
Talking Traffic at TMA 2017
Stephen Strowes — 30 Jun 2017

Last week, the Network Traffic, Measurement and Analysis Conference (TMA) took place in Maynooth, Ireland. A full week was scheduled, featuring a PhD school across Monday and Tuesday, the Mobile Network Measurements (MNM) workshop on Tuesday, and the main conference from Wednesday to Friday. We were there! Here's our summary of the week.… Read more

Preparing for the 2016 Leap Second
Preparing for the 2016 Leap Second
Stephen Strowes — 15 Dec 2016

On 31 December this year, we're scheduled for another leap second. There are many stories about what leap seconds can do to infrastructure and applications, and rituals are built up around them. Such rituals stem from reality: leap seconds trigger poorly-tested code paths and run contrary to assumptions that system time always runs in one direction. It's useful to be aware of how your infrastructure handles leap seconds and how NTP servers handle them, so you can plan around the event. Here, we look at some of the NTP measurements the RIPE Atlas platform took around the last leap second, and approaches for handling them.… Read more

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