VMware vSphere HA and DRS Technical Deepdive zooms in on two key proprietary VMware technologies and consist of toughly 220 pages. The primary audience for the book is anyone interested in VMware High Availability and DRS.
There is no prerequisite knowledge needed to read this book however this book is by no means a "how to" guide, instead this book explains the concepts and mechanics behind HA and DRS like Primary Nodes, Admission Control Policies, Host Affinity Rules and Resource Pools. On top of that, this book includes design principles to support the decisions that will need to be made when configuring HA and DRS.