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Architecture AWS Cloud Computing Cloud Computing: From Zero to Production Module 2 — AWS Fundamentals

AWS Regions, AZs, and Edge Locations

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AI Summary
R Ram Pothuraju Reading…

What You Will Learn

Beginner

  • The difference between regions, AZs, and edge locations
  • How they affect latency and reliability
  • How CloudFront uses edge locations
LevelCountExamplePurpose
Region30+us-east-1 (Virginia)Geographic area
Availability Zone3-6 per regionus-east-1a, 1b, 1cIsolated data center
Edge Location400+CloudFront PoPCDN caching
Why this matters
Deploy across 2+ AZs for reliability. Use CloudFront (edge locations) to cache content close to users globally — reduces latency from 200ms to 20ms.

Practical Exercise

Go to AWS Console and list all regions
Switch between us-east-1 and ap-south-1
Notice services are region-specific
Search for "CloudFront" to learn about edge locations

Key Takeaways

  • Regions: 30+ geographic areas.
  • AZs: 2-6 isolated data centers per region.
  • Edge locations: 400+ CDN points of presence.
  • Deploy across 2+ AZs for high availability.
  • Use CloudFront to cache content at edge locations.
Previously: Lesson 14 covered VPC.
Today: You learned: AWS global infrastructure explained.
Next: Lesson 16 covers the free tier.
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