Last Updated: November 21, 2025
Cloud Service Models
| Model | Description | Examples |
|---|---|---|
IaaS
|
Infrastructure as a Service - Virtual machines, storage | AWS EC2, Azure VMs, GCP Compute Engine |
PaaS
|
Platform as a Service - Managed platforms for apps | AWS Elastic Beanstalk, Azure App Service, GCP App Engine |
SaaS
|
Software as a Service - Ready-to-use applications | Gmail, Office 365, Salesforce |
AWS Core Services
| Service | Purpose |
|---|---|
EC2
|
Virtual servers in the cloud |
S3
|
Object storage service |
RDS
|
Managed relational databases |
Lambda
|
Serverless compute |
VPC
|
Virtual private cloud networking |
Azure Core Services
| Service | Purpose |
|---|---|
Virtual Machines
|
Compute instances |
Blob Storage
|
Object storage |
SQL Database
|
Managed SQL databases |
Functions
|
Serverless compute |
Virtual Network
|
Private networking |
GCP Core Services
| Service | Purpose |
|---|---|
Compute Engine
|
Virtual machines |
Cloud Storage
|
Object storage |
Cloud SQL
|
Managed databases |
Cloud Functions
|
Serverless compute |
VPC
|
Virtual private cloud |
💡 Pro Tip:
Start with free tiers to practice cloud skills without cost!