---
title: "furps"
tags: 
- info201
---

The furps framwork defines a robust way of defining and categorising requirements and constraints. Requirements are split into the following five categories:

- F: featurs
- U: Usability
- R: Reliability
- P: Performance
- S: Supportability

There is an extended set  called furps + adds which adds:

- design
- implementation
- interface
- physical

For example:

![](https://i.imgur.com/SLMcUtd.png)