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Compare OpenTelemetry and Application Insights instrumentation

Compares vendor-neutral OpenTelemetry concepts with Application Insights usage for .NET production services.

Hard

~10 min

Uses resource state, structured logs, traces, metrics, health, and configuration evidence to isolate a cross-service failure.

.NET.NET AspireOpenTelemetry

Practice drill

Explains correlation IDs across request logs, dependency calls, queues, workers, and support investigations.

Tests that an unexpected failure returns a safe correlation identifier and records the same value in structured logs.

Captures test activities to prove one incoming request and its outgoing HTTP dependency share trace context.