#Fault Tolerance

Apr 02, 2026

Eliminating Single Points of Failure: Redundancy at Every Layer

Every component added to a distributed system creates a new potential single point of failure. The answer is redundancy at every layer, applied consistently across the load balancer, web server, and database tiers.

System Design #Fault Tolerance #Redundancy #High Availability #SPOF #CAP Theorem

Apr 01, 2026

Load Balancers: Distribute Traffic, Eliminate Bottlenecks

One web server is a single point of failure. Two web servers need a coordinator. The load balancer distributes incoming requests, detects failures, and removes failed servers from rotation automatically.

System Design #Scaling #Load Balancers #Fault Tolerance #Algorithms #Session Management