[ponker]

Not “no matter what,” but perhaps “running on a multitasking operating system.” With a hardware encoder and 1-frame buffer you could get down to 50ms.

[snvzz]

As anyone that ever used AmigaOS would tell you, multitasking is not an excuse for poor latency behavior.

seL4[0] will guarantee (with formal proof) a low maximum latency despite multitasking.

[0]: https://sel4.systems/About/seL4-whitepaper.pdf

[vertex-four]

Across the internet, at all times?

[ponker]

No, just exclusive of transport. So 50ms in-the-building and another 50ms for SF-NY and another 50ms for SF->Moscow or similar.