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A comment on Happy 50th Birthday, Ethernet. Parent comment

Re:Happy 50th Birthday, Ethernet by anonymousiam on Thursday June 29, 2023 @11:25AM (#36521697)
Many may not be aware of this, but signals through fiber optic cables actually propagate more slowly than through copper. Fiber carries bits at about 0.67 the speed of light in a vacuum.

https://www.commscope.com/globalassets/digizuite/2799-latenc...

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Re:Happy 50th Birthday, Ethernet by hardburn on Thursday June 29, 2023 @11:41AM (#36521958)
It doesn't go the speed of light in copper, either. In fact, that study has a nice table on page 5. Looks like other than thick coax, fiber is a bit faster than most copper options.
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Re:Happy 50th Birthday, Ethernet by _trampeltier on Thursday June 29, 2023 @05:53PM (#36527273)
.. and if you wanna be fast for HF trading, use microwave.

https://aviatnetworks.com/solutions/low-latency/

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