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A comment on Google opens Falcon, a reliable low-latency hardware transport, to the ecosystem. Parent comment

Re:Google opens Falcon, a reliable low-latency hardware tran... by xorcist on Wednesday October 18, 2023 @07:15AM (#37927130)
There's also Audio-over-Ethernet, which is still used for professional audio where latency must be held low.

I believe there are other broadcast protocols that runs on Ethernet for the same reason.

Fibre Channel-over-Ethernet used to be a thing too, but I haven't seen it for a while. Perhaps latency wasn't as much of an issue as people thought and it lost to iSCSI.

I don't think it necessarily is bad idea to run protocols directly on the data link layer. The fewer parts the better. It's just that somewhere someone probably wants to route it, and the more general usage tends to win. So it's always going to be a niche market where latency is really important.

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Re:Google opens Falcon, a reliable low-latency hardware tran... by dezgeg on Wednesday October 18, 2023 @03:28PM (#37933555)
eCPRI, or essentially radio signal over ethernet (ie. from base station indoors to radio module at top of the tower/roof) is another interesting use case (with even stricter latency requirements than audio).
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