System Design
Scaling & Load Distribution
One server is never enough. Learn to distribute load across thousands of machines.
Networking Foundations
Internet Stack for System Design
TCP vs UDP: Reliability, Latency & Throughput
DNS Resolution Lifecycle
Load Balancing Fundamentals
Load Balancing Algorithms
L4 vs L7 Load Balancing
Health Checks & Failure Detection
Horizontal Scaling Patterns
Stateless vs Stateful Services
Session Management & Sticky Sessions
Auto-scaling Strategies & Metrics
Global Traffic Management
DNS Load Balancing & GeoDNS
Anycast & BGP Routing
Multi-Region Active-Active Architecture
Rate Limiting & Traffic Control
Rate Limiting Algorithms
Distributed Rate Limiting
Backpressure & Graceful Degradation