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PeterJune 10, 2026

Understanding Multi-Tenant Architecture

Deep dive into how multi-tenant isolation works and why it matters for SaaS platforms.

architecture multi-tenant saas

Multi-Tenant Architecture

Multi-tenancy is the cornerstone of modern SaaS platforms. Each tenant gets isolated data, custom domains, and independent configurations.

Data Isolation

Every tenant's data is logically separated at the application layer using tenant IDs on all records.

Domain Routing

Incoming requests are routed to the correct tenant based on the request domain, resolved through the domain → site → app → tenant chain.