If you’ve ever lived in an apartment complex, you’re familiar with multi-tenant housing: a single building containing many residents or families who live in their own separate apartments. And while you’ve probably enjoyed the cost and maintenance benefits of sharing the building with your neighbors, you probably also value the apartment walls that give you privacy and prevent you from hearing their late night parties.
You can think of multi-tenant software as a service (or identity as a service) solutions in much the same way: a single shared resource that contains multiple components, or tenants. In this case, tenants can be applications, environments, organizations or other components, and the shared resource in which they all live is the cloud. Just as with your apartment complex, you can enjoy the benefits of lower costs and easier upkeep with just one cloud resource to manage, but you also get the ability to keep things separate when they need to be.
When it comes to identity and access management, multitenancy can help you structure identities into smaller groups nested within one larger group. Instead of apartments, you have groups of identities, and instead of the apartment complex, you have a container for all your groups of identities.