The Essence of Multi-Tenancy

The Essence of Multi-Tenancy is Share Resource:

• Share resource -> Share cost -> Low Cost per Tenant
• Car model -> Bus model

There are two forces impact multi-tenancy design: Standardization & Isolation. We must achieve a balance between these two forces based on our particular situation, and achieve a right level of multi-tenancy design.

There are several related issues to multi-tenancy design:

• Multi-Tenancy and Scale-Out
• Multi-Tenancy: many small tenants share one computing resource
• Scale-Out: one big tenants runs on a cluster of computing resources
• Multi-Tenancy + Scale-Out: many tenants share a pool of clustered computers
• Multi-Tenancy and Customization
• Multi-Tenancy: sharing everything, similarity
• Customization: flexibility, tailor to unique need
• Multi-Tenancy + Customization: Balance