Big 3 cloud provider. Service mapping, pricing, vendor lock-in.
Hampir semua company sekarang di cloud. Multicloud strategy populer untuk hindari lock-in. Top 3: AWS (33 persen), Azure (22 persen), GCP (10 persen). Sisanya regional dan niche.
EC2 (AWS), Compute Engine (GCP), Virtual Machines (Azure). Managed Kubernetes: EKS, GKE, AKS. Serverless: Lambda, Cloud Functions, Azure Functions.
Object: S3, GCS, Azure Blob. Block: EBS, Persistent Disk, Managed Disk. SQL: RDS, Cloud SQL, Azure SQL. NoSQL: DynamoDB, Firestore, Cosmos DB.
VPC standar di semua. Load balancer (ALB, GCLB). CDN (CloudFront, Cloud CDN, Azure CDN). DNS (Route 53, Cloud DNS, Azure DNS). VPN dan Direct Connect.
Pay as you go. Tapi mudah blow budget. Tools: AWS Cost Explorer, GCP Cost Management. Best practice: tagging, reserved instance, spot instance, auto-scaling, regular audit.