Requirement Validation

Requirement Validation

1. Objective

   • Complete and Consistent
   • Conformance to Standards
   • Requirement to Conflict
   • Technical errors

2. Analysis

   • Raw Requiremnts

3. Validation

   • Final Draft
   • Outputs
     • requirement document, organizational knowledge and standards
   • Inputs
     • list of Prob, agreed action

4. Requirements Reviews

   • Read
   • Analyse
   • look for prob
   • Discuss
   • take action
   • process
     • Plan Review, Distribute doc, Prepare For Review, Hold Review, Revise Doc

5. Problem actions

   • Requirements Clarification
   • Check Missing Info
   • Check Requirement Conflict
   • Unrealisitic Requirement

6. Preview Checking

   • one person check straight forward prob such as missing requirement
   • Requirement doc,Check doc structure, check doc completeness, check doc against standard, Run automate check, problem report

7. Review Team Membership

   • different Background,different skills & Knowledge
   • stake holder involvement, develop and understanding need of other stakeholders
   • Domain expert and end user

8. Review Checklist

   • understandibility
   • Redundancy
   • Completeness
   • Ambiguity
   • Consistency
   • Organization
   • Comformance to Standards
   • Tracebality

9. Requirement Problems

   • Incompleteness
   • Ambiguity

10. Protoyping

    • Choose Prototype, Develop Test Scenarios, Execute Scenarios, Document Prob
    • Choose Prototype Testers
      • Users
        • Fairly Experienced, Open Minded

11. User Manual Development

    • Forces detailed requirement
    • Functional and How Is implemented
    • Get out of the trouble

12. Model Validation

    • essential part
    • demonstrate self consistent

13. Data Flow Diagram Issues

    • check user, check item, issue item

14. Requirements testing

    • testable,check whether requirements has been met

15. Hard to test Requirement

    • System Requirments
    • Exclusive Requirements
    • Non-functional Requirments