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47 points WorldPeas | 1 comments | 28 Aug 25 23:30 UTC | HN request time: 0.205s | source

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somat ◴[01 Sep 25 08:11 UTC] No.45090640[source]▶

Unrelated, but the title made me think of this video where AT&T failed over old switch frames to new ones by manually cutting all the cable bundles, very dramatic.

https://www.youtube.com/watch?v=saRir95iIWk (Speedy Cutover Service, SXS switching cutover to ESS filmed live at Glendale CA central office, 1984)

replies(3): >>45092304 #>>45093467 #>>45096335 #

1. jiehong ◴[01 Sep 25 20:27 UTC] No.45096335[source]▶

>>45090640 #

"Wait, there is a problem, fallback now!"

They must have built high confidence beforehand! Hats off!

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Mainframe upgrade done with wire cutters (2010)