---
title: "22-performance-and-security"
aliases: 
tags: 
- info201
- lecture
---

# Performance requirements
- e.g., credit card system
	- functional reqs
		- sales authorised only for valid cards
		- generate monthly statements
		- performance requirements
			- cards are validated quickly
			- statements are accurate and generated on time
		- quickly, accurate, and on time need to be operationalised, measured, and tested.

WHy are they important