Problems / AI security and governance, medium

Guardrails too strict

Input guardrails block 3% of legitimate questions as policy violations.

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Your goals

Success ≥ 99%.

The traffic

30 requests a second for 30 seconds: 100% request (reads).

The system

What each component does in this design, and what calls it. The simulator mimics each one from these settings.

ComponentIts job hereSettings
GuardrailsGuardrailsTraffic enters here.Calls Load balancer.Guardrails check inputs and outputs for unsafe content, prompt injection or leaked data.100000 slots
Load balancerLoad balancerGuardrails forwards to it.Calls AI app.Layer 4 balancers route by IP and port; layer 7 balancers read HTTP and can route by path or header.–
AI appApp serviceLoad balancer forwards to it.Calls Model.Little's law: throughput ≈ concurrency ÷ latency. 200 slots at 50 ms serve about 4,000 req/s.3 replicas × 500 slots · timeout 30 s
ModelLLM endpointAI app calls it.Latency has two parts: time to the first token, then a steady stream of tokens per second.400 streams

Hints

Try it first. Open one hint at a time if you get stuck.

Hint 1

Look at blocked real users on the guardrails.

Hint 2

Look at what got through, or what was wrongly blocked: which filter is responsible for this kind of traffic?

One way to solve it

Tune the guardrails.

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