Telstra outage: The night a network decided the year was 2006

TMWNN 37 points 13 comments September 18, 2026
www.netnod.se · View on Hacker News

Discussion Highlights (8 comments)

RockRobotRock

Shout out to the Jeff Geerling video about this

cube00

Author needs to decide which end of the stratum stack they want as the top. > This design from 2010 had at the top stratum 1 sources at Australia's National Measurement Institute (NMI) > Among otherwise comparable candidates, the lower stratum carries more weight.

rcaught

> Each decision solved the problem in front of it. Nobody was asked to look at the sum of all actions. This is the perfect description of Telstra as a company.

scriptsmith

Lots of bloviating AI-prose. Here's the original report: https://www.telstra.com.au/exchange/what-we-ve-learned-from-... https://www.telstra.com.au/content/dam/tcom/dynamic-media-pr...

_kb

Direct link to the analysis report: https://www.telstra.com.au/content/dam/tcom/dynamic-media-pr...

ipython

All I could think of while reading this was “has no one heard of ntptrace?”

rmunn

It's funny, but I had the same thing happen to me once. One day, overnight, my computer decided it was 2006. It happened twenty years ago... ;-)

vesinisa

Is it really so that Time Division Multiplex timing in cellular networks is based on NTP time? I stopped reading after the article implied this - it doesn't sound plausible at all.

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