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Cloud Computing Intermediate

What is Region and Availability Zone?

Geographic locations where cloud providers operate data centers, with zones providing redundancy within a region.

Cloud regions are separate geographic areas (e.g., us-east-1, eu-west-1) with independent infrastructure. Availability Zones (AZs) are isolated data centers within a region, connected by low-latency links.

Deploying across multiple AZs provides high availability — if one zone fails, others continue operating. Deploying across regions provides disaster recovery and serves users closer to their location for lower latency.

Related Terms

AWS (Amazon Web Services)
The world's largest cloud computing platform, offering hundreds of services for compute, storage, networking, and more.
Elastic Load Balancing
An AWS service that automatically distributes incoming application traffic across multiple targets like EC2 instances and containers.
Kubernetes Pod
The smallest deployable unit in Kubernetes, consisting of one or more containers that share storage, network, and lifecycle.
Azure
Microsoft's cloud computing platform offering IaaS, PaaS, and SaaS services for building, deploying, and managing applications.
SaaS (Software as a Service)
A cloud delivery model where software applications are hosted and managed by a provider and accessed by users over the internet.
Multi-Cloud
A strategy of using services from multiple cloud providers to avoid vendor lock-in and leverage best-of-breed capabilities.
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