Technology

Multi-tenant Architecture: Why it Matters for CBT

E
Emeka Okonkwo
Mar 28, 20268 min read

Running exams for 200 institutions on a single platform sounds risky. Done right, multi-tenancy is actually safer and more reliable than isolated deployments.

Shared Infrastructure, Isolated Data

Each tenant's data lives in its own schema with row-level security. No cross-tenant queries are possible at the database layer — enforced by policy, not just convention.

Exam Isolation

Exam sessions are containerised per tenant. A surge in traffic from University A does not degrade response times for University B. Auto-scaling pools are allocated independently.

Custom Domains & Branding

Tenants can map their own domain (e.g., exams.youruniversity.edu) while sharing the underlying platform. SSL certificates provisioned automatically via Let's Encrypt.

Why This Beats Self-Hosting

Institutions that self-host spend engineering hours on infrastructure instead of educational outcomes. Multi-tenant SaaS puts that burden on the vendor, where it belongs.

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