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Cloud Computing Intermediate

What is Serverless Computing?

A cloud execution model where the provider manages servers and dynamically allocates resources, charging only for actual usage.

Serverless does not mean "no servers" — it means developers do not manage them. Code runs in stateless functions triggered by events (HTTP requests, file uploads, database changes). The cloud provider handles scaling, patching, and availability.

Services include AWS Lambda, Azure Functions, Google Cloud Functions, and Cloudflare Workers. Benefits include zero server management, automatic scaling, and pay-per-invocation pricing. Limitations include cold starts, execution time limits, and vendor lock-in.

Related Terms

Region and Availability Zone
Geographic locations where cloud providers operate data centers, with zones providing redundancy within a region.
Cloud Function
A serverless compute service that runs code in response to events without requiring server management or infrastructure provisioning.
Virtual Machine (VM)
A software-based emulation of a physical computer that runs its own operating system and applications.
Cloud Load Balancer
A managed service that distributes incoming network traffic across multiple servers to ensure high availability and optimal resource utilization.
Spot Instance
Discounted cloud compute instances that use spare capacity at significantly lower prices but can be interrupted with short notice.
IAM (Identity and Access Management)
A framework for managing digital identities and controlling who can access which cloud resources and services.
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