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TIL optical telegraphs (at the turn of the 19th century) had many features now commonplace in modern networks, including control characters, routing, error control, flow control, message priority, and (en.wikipedia.org)

submitted 2 days ago by Coldmoon@sh.itjust.works to c/todayilearned@lemmy.ml

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[-] davidgro@lemmy.world 12 points 2 days ago

... And truncating messages that were too long?

[-] Coldmoon@sh.itjust.works 7 points 2 days ago

Ya got me lol

this post was submitted on 20 Feb 2025

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