Tenant portability: Move tenants across tiers in a SaaS application

This article discusses the importance of tenant portability in SaaS applications and provides a detailed walkthrough of how to implement it within the SaaS serverless reference architecture.

Specifically, the article covers:

• Why tenant portability is needed (flexibility and quality of service)
• High-level portability flow (identity store migration, tenant configuration update, resource management, data migration, and cutover)
• Key considerations for each step (identity migration, tenant metadata updates, tenant isolation, data migration strategies, and compliance requirements)
• How to extend the reference architecture to enable tenant portability (new services and updates to existing services)
• Conclusion highlighting the significance of portability for multi-tenant SaaS