Control Plane

Signals to
Decisions.

Why dashboards don't fix outages. Deconstructing the operational flow from detection to reasoned outcome.

Reliability Tier Control Loop
Mechanism Reasoned Fix
Read Time Strategic Analysis
Primary Tools Scout · Brain

The Data Overload Problem

In a modern cluster, we generate terabytes of telemetry every hour. Dashboards are useful for humans to *monitor* the system, but they are insufficient for *operating* the system. When an outage occurs, the sheer volume of "red" signals on a dashboard can lead to analysis paralysis.

The SRE-Space model shifts from "Watching Signals" to "Reasoning over Decisions." We use a structured pipeline to convert noise into actionable outcomes.

Analogy // Air Traffic Control 1. **Scout (The Radar)**: Filters out background noise to flag the one aircraft on a collision course.
2. **Brain (The Controller)**: Reasons over heading, speed, and fuel to issue a specific command.
3. **Fixer (The Autopilot)**: Executes the turn with precision to avoid disaster.
This loop, orchestrated via LangChain, converts raw noise into safe "landing decisions."

Phase 1: Scout (Signal Filtering)

**Scout** ignores the vast majority of "All Systems Nominal" data. It looks for deviations in Critical User Journeys. If latency on the "Payment Processed" event spikes, Scout doesn't just alert; it gathers the related traces and hands them to Brain.

Phase 2: Brain (Hypothesis Evaluation)

**Brain** doesn't just react. It creates hypotheses:
1. Is this a database lock issue?
2. Is this a network partition?
3. Is this a code bug in the latest deploy?
By querying **Memory** and correlating traces, Brain determines the highest-probability root cause.

Phase 3: Fixer & Memory (Execution & Closing the Loop)

Once a decision is reached, **Fixer** executes. But the job isn't done. The **Memory Agent** records the initial signals, the Reasoning path Brain took, and the final outcome of Fixer's action. This "Closed Loop" ensures the next time Scout sees this signal, Brain arrives at the decision in milliseconds.