Chapter 21. Centralization and Decentralization

This chapter seeks to help an SA decide how much centralization is appropriate, for a particular site or service, and how to transition between more and less centralization.

Centralization means having one focus of control. One might have two DNS servers in every department of a company, but they all might be controlled by a single entity. Alternatively, decentralized systems distribute control to many parts. In our DNS example, each of those departments might maintain and control its own DNS server, being responsible for maintaining the skill set to stay on top of the technology as it changes, to architect the systems as it sees fit, and to monitor the service. Centralization refers to nontechnical ...

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