© George Koelsch 2016

George Koelsch, Requirements Writing for System Engineering, 10.1007/978-1-4842-2099-3_5

5. Nonfunctional Requirements

George Koelsch

(1)Herndon, Virginia, USA

This chapter defines the nonfunctional requirements. For example, with the advent of cybersecurity in the last several years, security is a very important section of any system. This chapter will cover reliability, availability, maintainability, extensibility (scalability), and security. Security is not technically spelled with “ility,” yet it is lumped in here. It is justified if the term became securibility, to coin a term. However, in interest of shorter and more understandable works, the text will use security, and you know it belongs in this chapter.

The government ...

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