Multi-tenancy is a software architecture that allows multiple customers or tenants to share a single instance of an application while keeping their data and configurations separate. This means each tenant has a separate isolated environment within the application, but they all run on the same infrastructure.
We can use the analogy of a condominium to illustrate the concepts of SaaS multi-tenancy. In a condominium, the building (the code and infrastructure) is shared by all the apartments or tenants (individual unit owners). However, each unit is unique and decorated (configured) per the owner's taste and preferences.
Multi-tenancy relies on several techniques, such as database schema separation and containerization, to achieve this flexibility, ensuring that each tenant's data is secure, confidential and only accessible to authorized users within the tenant's organization. This computing approach enables software providers to deliver scalable and cost-effective solutions to multiple customers while delivering the latest technological innovations.
Multi-tenancy vs. Single-Tenancy: Which SaaS Architecture is Right for You?
In contrast to single-tenant SaaS, where each customer has a separate instance of the application and dedicated computing infrastructure, multi-tenancy enables software vendors to serve many customers with the same infrastructure, which results in lower costs and better resource utilization. In addition, multi-tenancy enables software providers to release new features and updates more quickly since they only need to deploy changes to a single application instance.
Another benefit of multi-tenancy is its scalability. As demands on shared resources increase, multi-tenant application providers can dynamically increase the underlying infrastructure to accommodate the increased demand. This computing elasticity is more efficient than traditional IT infrastructure and ensures resources are readily available to customers when needed.
As a software architectural pattern, SaaS multi-tenancy is an increasingly important approach to delivering value to customers. Its ability to offer cost savings, scalability, flexibility, and improved security and data privacy is unmatched.
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