ShahriarLabs Simulators · SimAWS
Small experiments. Clear explanations.
Change a control, predict an outcome and see the mechanism in your browser.
- Available now · browser-side
Network path debugger
Break and repair IPv4 routes, NAT paths and return traffic.
Explore - Available now · browser-side
IAM permission evaluator
See allows, explicit denies and boundary restrictions for one request.
Explore - Available now · browser-side
S3 anonymous access experiment
Test policy scope and public-read restrictions.
Explore - Available now · browser-side
Capacity and scaling model
Compare demand with per-instance capacity and a scaling ceiling.
Explore - Available now · browser-side
Failure domain experiment
Take one zone offline and inspect remaining capacity.
Explore - Available now · browser-side
Queue backlog model
Step incoming work and worker drain capacity over time.
Explore - Available now · browser-side
Replica lag experiment
Write a value and compare primary and delayed replica reads.
Explore - Available now · browser-side
Retry amplification calculator
Count worst-case downstream attempts across retrying layers.
Explore - Available now · browser-side
Cache economics calculator
Change hit rate, origin cost and fixed cache cost.
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