Architecting the Cloud: Design Decisions for Cloud Computing Service Models (SaaS, PaaS, and IaaS) (Wiley CIO) by Kavis Michael J

Architecting the Cloud: Design Decisions for Cloud Computing Service Models (SaaS, PaaS, and IaaS) (Wiley CIO) by Kavis Michael J

Author:Kavis, Michael J. [Kavis, Michael J.]
Language: eng
Format: epub
Publisher: Wiley
Published: 2014-01-27T16:00:00+00:00


Multitenant or Single Tenant

The tenancy of a system should be determined by the data characteristics just described. When referring to the data layer of an architecture, multitenancy means that multiple organizations or customers (tenants) share a group of servers. Most definitions would say a single server, but it typically requires multiple servers (i.e., master–slave) to support a tenant. Single tenant means that only one tenant is supported per each group of servers. Figures 8.1 and 8.2 show three multitenancy design strategies that each solve a unique set of requirements.

Figure 8.1 Total Isolation and Data Isolation



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