200k devices

  • Build
  • Wire 26

Difficulty 4 of 5

Send one new state command to 200,000 devices. Five percent are offline until 0:10. Configure MQTT so all devices have the command after reconnect. No final command may be missing.

Play level

MQTTPartner apps1 req/sMQTT broker16 vCPU · 8 GB
MQTTPartner apps1 req/sMQTT broker16 vCPU · 8 GB
The board at the start of the level
Connections and streamsDrag or use arrow keys to change the protocol

HTTP/1.1 · connections: 6 · 30 files in 7 round trips, 630 ms

Goals and limits

Lost writes
none
Durability
at least 100%
Monthly cost
under 100 USD/mo
Parts you can add
MQTT broker
Part limit
16
Traffic
1 req/s

Concepts

How players did

Player results load from the server.