Subsea cable cut

  • Survive
  • Light 11
  • Planet

Difficulty 4 of 5

Traders in London read quotes from New York over a subsea cable, 30 ms one way. In waves 2 and 3 the cable is cut for 20 s, and wave 3 brings 1.5 times the load. A laser relay through low orbit takes 27 ms one way. Keep 95 percent of the time inside the SLO.

Play level

HTTP/2HTTP/2Users2,000 req/sLoad balanc…1 vCPU · 1 GBAPI gateway1 vCPU · 1 GBAPI server2 vCPU · 2 GB × 2
HTTP/2HTTP/2HTTP/2Users2,000 req/sLoad balan…1 vCPU · 1 GBAPI gateway1 vCPU · 1 GBAPI server
The board at the start of the level
Light across a planetDrag or use arrow keys to pick a path

Lasers in orbit, New York to London · 7,151 km · 24 ms one way

Goals and limits

Time within SLO
at least 95%
p99 latency
under 160 ms
Error rate
under 2%
Monthly cost
under 24 USD/mo
Waves
3
Time within SLO
at least 95%
Parts you can add
API server
Part limit
2
Traffic
2,000 req/s

Concepts

How players did

Player results load from the server.