Introduction
The advantages of server virtualization in data centers are well established. From the beginning, VMware has led the charge with vSphere. Organizations migrating physical servers to virtual immediately see the benefits of lower operational costs, the ability to pool CPU and memory resources, server consolidation, and simplified management.
VMware had mastered compute virtualization and thought, “Why not do the same for the entire data center?” Routers, switches, load balancers, firewalls … essentially all key physical networking components, could be implemented in software, creating a Software-Defined Data Center (SDDC). That product, VMware NSX, is the subject of this book.
In 1962, Sir Arthur Clarke published an essay asserting ...
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