Coders Crushby Napplied AI
HARD

Cloudflare Global Load Balancing

Route traffic to optimal origin across multiple regions and providers.

Estimated Time: 120 minutes
#load-balancing#networking#scale

Solution Overview

Load balancers distribute traffic via round-robin (simple), least connections (state-aware), or consistent hashing (scalable). Health checks remove unhealthy backends. Session persistence maintains state via sticky sessions or shared storage.

Architecture Pattern

Request distributor with health checks and session persistence

Key Concepts

Round RobinLeast ConnectionsHealth ChecksConsistent HashingSession Persistence

Used By Companies

NginxHAProxyAWS ELB

Learn Implementation Details

Explore a complete guide for building this system from scratch with step-by-step tutorials:

Solution Overview

Load balancers distribute traffic via round-robin (simple), least connections (state-aware), or consistent hashing (scalable). Health checks remove unhealthy backends. Session persistence maintains state via sticky sessions or shared storage.

Companies
  • •Nginx
  • •HAProxy
  • •AWS ELB
Key Concepts
  • •Round Robin
  • •Least Connections
  • •Health Checks
  • •Consistent Hashing
  • •Session Persistence
Implementation Url

https://github.com/codecrafters-io/build-your-own-x#uncategorized

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