# Cloud Services Comparison 2025

## Service Type Comparison Across Major Cloud Providers

| Service Type | Azure | AWS | GCP |
|-------------|-------|-----|-----|
| **Compute** |
| Virtual Machines | Azure Virtual Machines | Amazon EC2 | Compute Engine |
| Container Orchestration | Azure Kubernetes Service (AKS) | Amazon EKS | Google Kubernetes Engine (GKE) |
| Serverless | Azure Functions | AWS Lambda | Cloud Functions |
| Container Registry | Azure Container Registry | Amazon ECR | Artifact Registry |
| **Storage** |
| Object Storage | Azure Blob Storage | Amazon S3 | Cloud Storage |
| File Storage | Azure Files | Amazon EFS | Filestore |
| Block Storage | Azure Managed Disks | Amazon EBS | Persistent Disk |
| **Database** |
| Relational DB | Azure SQL Database | Amazon RDS | Cloud SQL |
| NoSQL | Azure Cosmos DB | Amazon DynamoDB | Firestore |
| Data Warehouse | Azure Synapse Analytics | Amazon Redshift | BigQuery |
| In-Memory Cache | Azure Cache for Redis | Amazon ElastiCache | Memorystore |
| **Networking** |
| Virtual Network | Azure Virtual Network | Amazon VPC | Virtual Private Cloud |
| Load Balancer | Azure Load Balancer | ELB | Cloud Load Balancing |
| CDN | Azure CDN | Amazon CloudFront | Cloud CDN |
| DNS | Azure DNS | Route 53 | Cloud DNS |
| **Security** |
| Identity Management | Azure Active Directory | AWS IAM | Cloud Identity |
| Key Management | Azure Key Vault | AWS KMS | Cloud KMS |
| DDoS Protection | Azure DDoS Protection | AWS Shield | Cloud Armor |
| **AI/ML** |
| Machine Learning | Azure Machine Learning | Amazon SageMaker | Vertex AI |
| Cognitive Services | Azure Cognitive Services | AWS AI Services | Cloud AI |
| GenAI/LLMs | Azure OpenAI Service | Amazon Bedrock | Vertex AI |
| **DevOps** |
| CI/CD | Azure DevOps | AWS CodePipeline | Cloud Build |
| Monitoring | Azure Monitor | Amazon CloudWatch | Cloud Monitoring |
| Log Analytics | Azure Log Analytics | CloudWatch Logs | Cloud Logging |
| **IoT** |
| IoT Platform | Azure IoT Hub | AWS IoT Core | Cloud IoT Core |
| Edge Computing | Azure IoT Edge | AWS Greengrass | Edge TPU |

## Key Considerations for Service Selection

1. **Compute Services**
   - VM pricing models and instance types
   - Container orchestration features
   - Serverless execution limits and pricing

2. **Storage Solutions**
   - Data residency requirements
   - Performance tiers
   - Replication options

3. **Database Options**
   - Scaling capabilities
   - Backup and DR features
   - Migration tools

4. **AI/ML Services**
   - Model training capabilities
   - Pre-trained models availability
   - Integration with existing tools

5. **Security & Compliance**
   - Certification standards
   - Identity management features
   - Encryption options

6. **Cost Management**
   - Pay-as-you-go vs reserved instances
   - Data transfer costs
   - Resource management tools

# Public Clouds

## Related Topics

- [Azure](azure/README.md) - Microsoft's cloud computing platform
- [AWS](aws/README.md) - Amazon Web Services platform
- [Google Cloud](gcp/README.md) - Google Cloud Platform
- [Private Cloud](../private-cloud.md) - On-premises implementations
- [Infrastructure as Code](../terraform/README.md) - Automating cloud resource provisioning
- [Cloud Compliance](../need-to-know/cloud-compliance/README.md) - Regulatory considerations
- [Security Frameworks](../need-to-know/public-cloud-security-frameworks/README.md) - Securing cloud environments
- [Azure Landing Zones](azure/azure-landing-zone/README.md) - Enterprise-scale Azure foundations