Ancestors

Written by Manawyrm | Sarah -> FOSDEM on 2025-01-09 at 20:20

TOSLINK is one of the very few consumer fiber optical standards. It transports digital, uncompressed PCM audio over plastic fibers.

Why not transport IP-over-Toslink instead?

It's a 1.536 Mbit/s data link after all...

https://www.youtube.com/watch?v=9uWi8iWym9c

New blogpost:

https://kittenlabs.de/ip-over-toslink/

/cc @n0emis @benjojo

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Written by elly (@FOSDEM) on 2025-01-09 at 20:38

@manawyrm @n0emis @benjojo You absolute madcats have done it again :Blobhaj_Heart:

I wonder how far it could be done using lasers btw, imagine shooting TX/RX using freakin lazers across two buildings

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Toot

Written by Manawyrm | Sarah -> FOSDEM on 2025-01-09 at 20:43

@elly @benjojo @n0emis This works very well in practice!

DIY Perks did it inside his living room:

https://www.youtube.com/watch?v=1H4FuNAByUs

The folks from Poland did it over about 800m:

https://www.youtube.com/watch?v=ErbLfZXlByo

If you're doing it properly, you could probably bounce the signal off a cloud and still get a proper signal!

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Descendants

Written by Mer-fOKxTOwl on 2025-01-13 at 11:29

@manawyrm @elly @benjojo @n0emis i know someone who had a company that moved into a new building across a street.

because their provider did not have the infrastructure for the bandwidth they needed at the new location they set up some laser thingy across the street (somewhere above the 2nd floor) and apparently it worked well, only on rainy days the transfer rate dropped a bit, but they set up some multivectoring with the crappy internet connection they had at the new location for backup.

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