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+---
+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