l-03 framework for the requirement engineering (Requirement artifacts…
l-03 framework for the requirement engineering
Requirement engineering context
3 facets of the system context
Additional requirements engineering context
Goal of elicitation activity is to:-
identify relevant requirements sources.
elicit exsting requirements from the identified sources.
Develop new and innovative requirements .
Goal of the negotiation activity is to:-
the cause of each conflict.
the conflicts by means of appropriate strategies.
conflict resolution and their rationale.
Goal of the Documentation activity is to:-
Document requirement information.
choose documentation formats fit with stakeholder needs.
consistency between different documentation formats.
Characteristic of goal
refines the system vision
high level objective about a property of the system to be developed or the development project.
Characteristic of a scenario
example of system usage
sequence of interaction steps
requirement into their context
comprehensibility of goals.
concrete example of satisfying of failing to satisfy a goal
Solution oriented Requirements
3 types of solution oriented requirements(1)
3 types of solution- oriented requirements(2)
-Specify requirement at a level of details sufficient for supporting later development activities such as design and test.
conceptual/ logical solution
agreed by all stakeholders
Types of requirement
solution- oriented requirements
3 Validation Goals
3 management goals
throughout the system lifecycle
efficient and effective overall RE process
plan and control
alignment of the process to the current project situation
identifying change in the context relevant for the system.