What are the main types of cloud computing services?
Infrastructure as a Service (IaaS)
- Provides virtualized computing resources over the internet.
- Includes virtual servers, storage, and networking capabilities.
- Offers maximum control over operating systems and deployed applications.
- Allows businesses to scale infrastructure as needed.
- Common providers include AWS EC2, Microsoft Azure, and Google Compute Engine.
Platform as a Service (PaaS)
- Delivers a framework for developers to build and deploy applications.
- Includes tools, operating systems, and runtime environments.
- Eliminates the need to manage servers or storage.
- Speeds up the development lifecycle with built-in services.
- Examples include Google App Engine, Heroku, and Microsoft Azure App Services.
Software as a Service (SaaS)
- Offers fully functional software accessible via the internet.
- Requires no installation or maintenance by end users.
- Commonly used for email, CRM, collaboration, and accounting tools.
- Updates and security are handled by the provider.
- Examples include Google Workspace, Dropbox, and Salesforce.
Function as a Service (FaaS) / Serverless Computing
- Executes code in response to specific events without managing servers.
- Ideal for microservices and lightweight tasks.
- Automatically scales based on demand and usage.
- Costs are incurred only during code execution.
- Examples include AWS Lambda, Azure Functions, and Google Cloud Functions.
Backend as a Service (BaaS)
- Manages server-side components like databases, authentication, and hosting.
- Reduces development time for mobile and web apps.
- Offers pre-built APIs and SDKs to connect services.
- Handles push notifications, cloud storage, and social integration.
- Examples include Firebase, Backendless, and Parse.
