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Load Balancers

Route traffic only to capable targets and prove that failure detection and recovery behave as designed.

Topics

# Topic Practice outcome
01 Load Balancer vs Reverse Proxy Place each responsibility on the traffic path.
02 Load-Balancing Algorithms Select an algorithm from workload evidence.
03 Layer 4 Load Balancing Route connections without application inspection.
04 Layer 7 Load Balancing Route requests by application data.
05 Health Checks and Failover Detect failure without creating flapping or overload.
06 Horizontal Scaling Remove local state that prevents safe scale-out.
07 Global Server Load Balancing Route regions and define failover authority.

Practice loop

Predict which target receives a controlled request, make one target unhealthy, and verify removal, client behavior, and recovery timing.