Fetch anything

Lock 16
HTTP/2HTTP/2HTTP/2HTTP/2Users304 req/sAPI server2 vCPU · 2 GBNAT gateway1 vCPU · 1 GBAPI server8 vCPU · 8 GBAPI server1 vCPU · 1 GBAPI server1 vCPU · 1 GB
HTTP/2HTTP/2HTTP/2HTTP/1.1HTTP/2Users304 req/sAPI serverNAT gatewayAPI serverAPI serverAPI server

Fix the board. Turn every goal green.

Traffic
Fetch300 req/s · reads onlyAttack2 req/s · reads only1 more
Limit
API server answers about 3,300 req/s
Bill
  • API server8 USD/mo
  • NAT gateway4 USD/mo
  • API server32 USD/mo
  • API server × 28 USD/mo
52 of 100 USD/mo

Goals

Not tested yet

The share of requests that fail or get no answer.99 of 100 requests finish faster than this.What the servers and services cost each month.

Users paste an image URL and the fetcher downloads it, 300 fetches/s. Some URLs point at internal addresses, and the fetcher reads them too. No request may reach an internal service, and fetches must keep under 0.1 percent errors and p99 under 300 ms. 5 edits.

02:14. Cloud keys used from an unknown address. Logs show the image fetcher read the metadata service. Graph: requests to metadata.

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Separate reader · 0 of 100 attacks reach a tool

Parts you can add: API gateway, Load balancer (L7). At most 10 parts. Budget: 100 USD/mo.

Tap a part to add it, or drag it onto a trace.Click a part to add it, or drag it onto a trace.