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 and why is it needed?
Different types of load balancers (Layer 4, Layer 7, DNS)
Scaling Fundamentals
Concepts
What is Scalability?
Key Metrics for Scalability
Load Balancing Algorithms
Concepts
Load Balancing Algorithms Crash Course
Round robin
Weighted round robin
Sticky round robin
Least connections
IP Hash
URL Hash
Scaling Strategies
Concepts
Vertical scaling
Vertical scaling techniques
Horizontal scaling
Horizontal scaling architectures
Horizontal scaling techniques