Multi-Cloud Rosetta Stone: AWS vs GCP vs Azure¶
Cross-Cloud Matrix Enterprise Parity
1. Executive Cross-Cloud Translation Ledger¶
This matrix establishes technical equivalents across the three major hyperscale cloud providers, enabling cross-functional engineering teams to maintain consistent governance, security architectures, and operational runbooks.
graph TD
subgraph "Hyperscaler Architecture Equivalence"
AzureNode["Microsoft Azure (Primary)"]
AWSNode["Amazon Web Services (AWS)"]
GCPNode["Google Cloud Platform (GCP)"]
end
AzureNode <--> AWSNode
AWSNode <--> GCPNode
GCPNode <--> AzureNode
2. Comprehensive Service Comparison Matrix¶
| Architectural Domain | Microsoft Azure (Primary) | Amazon Web Services (AWS) | Google Cloud Platform (GCP) | Enterprise Parity Notes |
|---|---|---|---|---|
| 1. Identity & Access (IAM) | Microsoft Entra ID (Azure AD) + PIM + Conditional Access | AWS IAM Identity Center (SSO) + IAM Roles + SCPs | Google Cloud Identity + IAM Workload Identity + BeyondCorp | Entra ID serves as the master identity provider; AWS/GCP federate via SAML 2.0 / OIDC. |
| 2. Hierarchy & Governance | Management Groups → Subscriptions → Resource Groups | AWS Organizations → OUs → AWS Accounts | GCP Organization → Folders → Projects | Azure Management Groups map directly to AWS OUs and GCP Folders for policy inheritance. |
| 3. Policy-as-Code | Azure Policy (JSON ARM Schema / Rego via Gatekeeper) | AWS Service Control Policies (SCPs) + AWS Config | GCP Organization Policy Service + Forseti Security | Azure Policy applies at MG root level with automated Deny and DeployIfNotExists. |
| 4. Global Transit Network | Azure Virtual WAN (Secured Hub with Routing Intent) | AWS Transit Gateway (TGW) + Cloud WAN | GCP Network Connectivity Center (NCC) + Cloud Router | vWAN Secured Hub provides unified automated routing table orchestration. |
| 5. Network Perimeter Firewall | Azure Firewall Premium (IDPS, TLS Inspection, FQDN) | AWS Network Firewall (Suricata IDPS Engine) | GCP Cloud Next Generation Firewall (NGFW) | IDPS signature rules synchronized to detect healthcare malware across all providers. |
| 6. Private Connectivity | Azure Private Link / Private Endpoints | AWS PrivateLink / VPC Interface Endpoints | GCP Private Service Connect (PSC) | Eliminates public IP transit for all managed PaaS databases and key vaults. |
| 7. Dedicated Hybrid Circuit | Azure ExpressRoute (10Gbps Direct + MACsec) | AWS Direct Connect (DX) (10Gbps + MACsec) | GCP Cloud Interconnect (Dedicated 10Gbps) | Dual redundant circuits deployed to meet 99.999% high-availability SLA. |
| 8. Key Management & Cryptography | Azure Key Vault Premium (FIPS 140-2 L3 HSM CMK) | AWS KMS / CloudHSM (Multi-Region CMK) | GCP Cloud KMS / Cloud HSM (EKM & Autokey) | RSA-4096 / AES-256 keys rotated automatically every 365 days. |
| 9. Object & Lakehouse Storage | Azure Data Lake Storage Gen2 (ADLS) + Unity Catalog | Amazon S3 + AWS Lake Formation + S3 Object Lock | Google Cloud Storage (GCS) + BigLake + Bucket Lock | WORM immutability policies enforced on all clinical archive buckets for 7 years. |
| 10. Container Orchestration | Azure Kubernetes Service (AKS) (Entra Workload ID) | Amazon Elastic Kubernetes Service (EKS) (IRSA) | Google Kubernetes Engine (GKE) (Workload Identity) | Standardized multi-stage OCI containers running hardened non-root distroless images. |
| 11. Distributed Event Streaming | Azure Event Hubs (Kafka API compatible) | Amazon Kinesis Data Streams / MSK | Google Cloud Pub/Sub | Ingests streaming HL7 v2 and FHIR telemetry at > 50,000 events/second. |
| 12. Relational & Document DB | Azure Cosmos DB + Azure Database for PostgreSQL Flexible | Amazon DynamoDB + Amazon Aurora PostgreSQL | Google Cloud Spanner + Cloud SQL PostgreSQL | Multi-region active-active replication with sub-10ms read latencies. |
| 13. SIEM & Threat Detection | Microsoft Sentinel + Microsoft Defender for Cloud | Amazon GuardDuty + AWS Security Hub + Security Lake | Google Chronicle SIEM + Security Command Center (SCC) | Sentinel ingests AWS CloudTrail and GCP Audit logs for single-pane SOC visibility. |
| 14. Infrastructure as Code (IaC) | Terraform (hashicorp/azurerm) / Azure Bicep |
Terraform (hashicorp/aws) / AWS CDK |
Terraform (hashicorp/google) / GCP Config Connector |
All infrastructure strictly declared in declarative Terraform HCL with CI/CD automation. |