Load Balancer
Azure Load Balancer distributes incoming traffic across backend targets to improve availability, reliability, and scalability of applications.
What it does
Traffic distribution service.
When to use
Use Load Balancer when you need to distribute traffic across multiple instances or services.
Key Concepts
Load balancing improves uptime and resilience.
Backend pools define the target resources receiving traffic.
Health probes determine whether backends are healthy enough to receive requests.
It is commonly used in front of scalable application workloads.
Common Use Cases
Distributing traffic across virtual machines.
Improving application availability.
Scaling services horizontally behind one entry point.
Interview Questions
What is Azure Load Balancer?
Why are health probes important?
How does load balancing improve reliability?