Load Balancing and Scaling Roadmap

Note: Not all questions may match a certain category on the roadmap.

Load Balancing Fundamentals
Concepts
What is load balancing?
Why is it needed?
Different types of load balancers (Layer 4, Layer 7, DNS)
Load Balancing Techniques
Concepts
Session persistence
SSL termination
Geographic load balancing
Scaling Strategies
Concepts
Horizontal scaling
Vertical scaling
Autoscaling
Resource optimization
Scalability Patterns (reactive scaling, predictive scaling)
Challenges in scaling (database scaling, cache invalidation)
Load Balancing Algorithms
Concepts
Round robin
Least connections
Weighted round robin
Dynamic algorithms
IP Hash
URL Hash
Application-aware load balancing
Security Considerations
Concepts
DDoS protection
WAF (Web Application Firewall) integration
TLS/SSL offloading
Monitoring and Metrics
Concepts
Server health checks
Performance metrics (CPU, memory, network)
Alerting systems
Capacity planning
Log aggregation and analysis tools
Synthetic monitoring
Real user monitoring