Chapter 9. Security and Reliability
Security and reliability are two sides of the same coin. In the context of networking, they are the two qualities that determine the overall trustworthiness of a system to not stray outside of expected operational parameters, such as performance, stability, accuracy, and privacy. A system’s security concerns its resistance to intentional harm, and reliability concerns a system’s resistance to unintentional harm.
As an example of how security and reliability are intertwined, consider an authentication, authorization, and accounting (AAA) process on a server or router. This is primarily considered a security process, regulating who can log in to the machine, what tasks an authorized user can perform on it, and ...
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