AWS Lambda Tenant Isolation Mode: Enterprise Multi-Tenant SaaS Security Without Complexity

Lambda Tenant Isolation Mode delivers dedicated Firecracker MicroVM isolation per tenant from a single Lambda function deployment. A complete guide covering implementation, tiered SaaS architecture, cold start management, per-tenant KMS keys, and HIPAA/PCI-DSS/SOC 2 compliance mapping.

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Amazon Aurora DSQL in Production: What 15 Months Teaches Enterprise Architects

Aurora DSQL promised active-active multi-region SQL with no conflict resolution code. Fifteen months after the re:Invent 2024 announcement, this is the honest production assessment: what OCC delivers, where the feature gaps still bite, the migration blockers to audit before committing, and the cost model that makes it genuinely compelling for multi-tenant SaaS architectures.

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