Hollow-core fiber

  • Choose
  • Light 09
  • Planet

Difficulty 3 of 5

Two exchange datacenters are 50 km apart. A price feed sends bursts of 20 updates of 1,000 bytes, and every update must arrive within 220 µs. Light in standard fiber moves at 0.68 c, in hollow-core fiber at 0.997 c. The radio link runs at 1 Gbit/s. Pick the link.

Play level

Options

  • Standard fiber
  • Hollow-core fiber
  • 1 Gbit/s radio link
Light across a planetDrag or use arrow keys to pick a path

Goals and limits

p99 latency
under 0.2 ms
Monthly cost
under 100,000 USD/mo

Concepts

How players did

Player results load from the server.

All levels