Software engineering - What are the challenges in dealing with requirements?
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This document discusses the challenges of software requirements engineering. It defines software requirements as descriptions of a system's features and functions based on user expectations. The main challenges are: (1) requirements often change as the world changes; (2) stakeholders have different perspectives that can conflict; and (3) effective communication between engineers and clients is difficult due to lack of time or information. Requirements engineering is inherently difficult due to these issues.
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- 1. RHESHWAN RAJ A/L RAVICHANDRAN (B031810166) AIN SHAZRYNA BINTI ABDUL RAHIM (B031810157) NUR NABILAH BINTI AZMAN (B031810131) Software Engineering DR. HAFEIZAH Prepared by
- 2. Context What is Software Requirements? What are the challenges in dealing with requirements? Requirement Changes Different Perspective Lack of Communication Summary
- 3. What is Software Requirements? The software requirements are description of features and functionalities of the target system. Requirements convey the expectations of users from the software product. The requirements can be obvious or hidden, known or unknown, expected or unexpected from client’s point of view.
- 4. Fundamental reasons why establishing requirements for complex systems will always be a difficult technical and organizational problem What are the challenges in dealing with requirements?
- 5. Changing Requirements Differing Perspective Lack of or Over Communication
- 6. Requirement Changes System requirement reflect the world outside the system. As this constantly changing then the requirement will inevitably also change. It is often difficult to understand the implications of change for the requirements as a whole.
- 7. Technology changes Organizational changes Market changes Economic changes
- 8. Different Perspective Different perspective are not consistent and different stakeholders will want different things from a system. It is inevitable that some requirements will be conflicting so that it is impossible to satisfy all stakeholder requirements without compromise.
- 10. Lack of Communication Stakeholders are too busy Unable to get more information Not able to update client
- 11. Summary Requirement engineering is an inherently difficult process Issues that contribute to this difficulty are - Changing requirement - Differing views of system stakeholders - Lack of communication between engineer and client