Global Infrastructure
💡 Definition
The AWS Global Infrastructure is the worldwide network of Data Centers, Regions, Availability Zones, and Edge Locations that AWS uses to host its services and deliver content to users with high availability, performance, and security.
🔑 Key Concepts
- Regions: Geographically separate areas, each containing multiple AZs.
- AZs (Availability Zones): Isolated locations within a Region, composed of one or more Data Centers.
- Edge Locations: Data centers designed to deliver services with the lowest possible latency to users, primarily for CloudFront and Route 53.
- Interconnectivity: High-speed, low-latency network links connect all parts of the Global Infrastructure.
⚙️ How it Works
AWS builds its services on this global network. When you select a Region for your resources, you are choosing a specific part of this infrastructure. Services like CloudFront leverage Edge Locations to bring content closer to end-users globally.
🎯 Use Cases
- Hosting Applications Globally: Deploying applications in multiple Regions to serve a global user base.
- Disaster Recovery: Creating resilient architectures by replicating data and services across Regions and AZs.
- Compliance: Meeting data residency requirements by storing data in specific geographic locations.
💰 Pricing Model
- The Global Infrastructure itself is a foundational element; costs are incurred through the specific services you consume within it. Data transfer costs often vary by proximity and destination within this infrastructure.
📝 Exam Tips (CLF-C02)
- Understand the hierarchy: Regions > AZs > Data Centers.
- Differentiate between Regions (isolation), AZs (high availability within a Region), and Edge Locations (low-latency content delivery).
- Key for High Availability, Disaster Recovery, and low latency.
See Also: * Region * AZ * Edge Location * Data Center * Jenis Lokasi Fisik AWS