Analysis of information sources in references of the Wikipedia article "Multitenancy" in English language version.
In the cloud, multitenant services are standard: data services, DNS services, hardware for virtual machines, load balancers, identity management, and so forth.
Multi-tenancy. Sharing a single, pooled, operational instance of the entire top-to-bottom infrastructure is more than simply a vendor convenience; it's the only way to really achieve cloud scale.