Store-and-forward wire time

  • Estimate
  • Metal 09
  • Rack

Difficulty 3 of 5

Host A sends two frames to host B over 25 Gbit/s links and two store-and-forward switches. On the wire the small frame is 84 bytes and the full frame is 1,538 bytes. Each frame finds an idle path. How many µs longer does the full frame take?

Play level

The question

Answer with one number in µs.

Two power feedsTap to cut feed A. Arrow keys change the power per server.

Goals and limits

p99 latency
under 10 µs
Monthly cost
under 1,000 USD/mo

Concepts

How players did

Player results load from the server.

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