THE MOSCOW RULES FOR CATEGORISING REQUIREMENTS
This way of categorising requirements is associated with the Dynamic Systems Development Method (DSDM), used in prototyping and accelerated development approaches. It sets up a disciplined way of categorising requirements, for two reasons:
- so that the priorities are considered carefully;
- so that, during development, decisions about timing can be made in the framework of priorities set when the requirements were defined.
Every requirement is allocated a category:
- Must do: requirements that are essential to the system sought by the business. These must be completed during the project unless a formal change is agreed. In ISO, the terms used to describe these requirements are ‘shall’ ...