Host is an operating system instance, almost always networked.
A precise definition of “host” versus “machine” is critical. Note that this book does not use the term “Server,” as it is ambiguous due to virtualization.
The operating system instance is a critical management point. It is very crisp; either there is a general-purpose operating system running and able to manage processes – or there isn’t.
A Host is a special case of a Software System.
Improvement Opportunity
A potential for increased or corrected performance, assessed for feasibility and benefit, and tracked for its completion/execution.
Tracking Improvement Opportunities formally is a sign of IT maturity. There are many dimensions ...
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