I will explain how Google Cloud’s global infrastructure (regions, zones, and networks) supports reliability, scalability, and high availability.
“If your favorite game or app suddenly lagged for everyone worldwide, what part of the cloud might have failed?”
Topic: Global Infrastructure & Reliability
Key ideas:
| Concept | Definition | Example |
|---|---|---|
| Region | Group of data centers in a geographic area | us-central1 (Iowa) |
| Zone | Individual deployment area within a region | us-central1-a |
| Load Balancer | Distributes traffic across servers | Keeps YouTube stable |
| SLA (Service Level Agreement) | Guaranteed uptime % | 99.95 % typical |