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SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization by Jim Doherty

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9. Multitenancy and the Problems of Communal Living

Multitenancy is an important concept in virtualization, and getting customers comfortable with the concept of “communal living” requires a shift in how enterprises view data security. The “book” definition of multitenancy is a computing or networking model where several clients use the same resources on a shared infrastructure. In the cloud, multitenancy is used in both software as a service (SaaS) and infrastructure as a service (IaaS) environments. In fact, multitenancy is pretty much the norm for both of these, and it’s one of the things that makes the business model work. This chapter looks at an example of each model and explains how multitenancy works in different types of virtualized ...

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