The latency floor
Difficulty 2 of 5
Sydney is 17,000 km from London. The board has a perfect fiber pair on the great circle: no detours, no routers, no queues. Light in glass has a group index of 1.468. How many ms does one 64-byte round trip take? No protocol can beat this time.
The question
Answer with one number in ms.
Goals and limits
- p99 latency
- under 200 ms
- Monthly cost
- under 100,000 USD/mo
Concepts
How players did
Player results load from the server.