Open Issues On Sqam

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Open Issues On Sqam

  1. 1. Macroscopic Focus on Issues with Software Quality Models and Metrics<br /> Anjan.K <br />III Sem M.Tech <br />CSE<br />M.S.R.I.T<br />15/Oct/2009<br />1<br />SEM : Open Issues in Software Quality Models<br />
  2. 2. Outline <br /><ul><li>Introduction
  3. 3. Software Quality Models
  4. 4. Missing Facts on quality
  5. 5. Open Issues
  6. 6. Possible Solutions
  7. 7. Summary
  8. 8. References</li></ul>15/Oct/2009<br />2<br />SEM : Open Issues in Software Quality Models<br />
  9. 9. Introduction (1/2)<br />Software Industry has different markets like open source and commerce. New markets <br />Stress on quality not only for very high expectation of customers but also delays its de commissioning.<br />Software metrics and quality models plays pivotal role in measurements of software quality.<br />Attempt to standardize Software quality by ISO and IEEE.<br />15/Oct/2009<br />3<br />SEM : Open Issues in Software Quality Models<br />
  10. 10. Introduction (2/2) <br />Software Metrics are tools to measure<br />Program Source Code<br />Architecture<br />Performance<br />Software Quality models are based on the quality assessment plan<br />Missing Facts on quality is the difference between observer and observation and the view of the human needs. <br />Important aspect of SE is to Conceptual ideas in to technical reality.<br />15/Oct/2009<br />4<br />SEM : Open Issues in Software Quality Models<br />
  11. 11. Open Issues - 1<br />Human Estimation<br />Person looks at code or end product to judge the quality<br />Problem<br />Different taste, Different Values <br />Assessment of quality by own is not practical <br />Solution<br />Birds of same feather flock together – categorize people who deal with different aspect of software.<br />15/Oct/2009<br />5<br />SEM : Open Issues in Software Quality Models<br />
  12. 12. Open Issues - II<br />Software Metrics<br />Problem<br />No standard measurement to judge attributes in objective manner.<br />Evaluation of software code in not enough<br />Acceptable value for metrics evaluation<br />Solution <br />Evaluate code by run time values. <br />15/Oct/2009<br />6<br />SEM : Open Issues in Software Quality Models<br />
  13. 13. Open Issues - III<br />Quality Model <br />Is a schema to better explain of our view of quality. <br />Quality Model evaluates on quality characteristics and also relates to its sub characteristics.<br />Problem<br />Are all sub-characteristics equal in affecting software characteristics – impact on sub characteristic is not equivalent to its characteristics<br />Main Concept of quality are missing because quality does not distribute in specific part.<br />Solutions<br />Coefficient <br />Extending the quality models to define super characteristics. <br />15/Oct/2009<br />7<br />SEM : Open Issues in Software Quality Models<br />
  14. 14. Figure 1: example of levels of quality characteristics<br />15/Oct/2009<br />8<br />SEM : Open Issues in Software Quality Models<br />
  15. 15. Summary<br />Brief introduction to Software quality models with issues.<br />Software qualtiy models supplementary layers of characteristics and defining them in clearly.<br />Aspects on assessment plan that encompasses quality model and metrics.<br />15/Oct/2009<br />9<br />SEM : Open Issues in Software Quality Models<br />
  16. 16. References<br />[1] KhashayarKhosravi et.al., “Issues with Software Quality Models”, GEODES <br />[2] An article at URL explaining about <br /> ISO 9126 SQA <br />http://www.sqa.net/iso9126.html<br />[3] Stephan Kan, “Metrics and Models in Software Quality Engineering”, 2nd edition,2003 reprint, Addison Wesley.<br />15/Oct/2009<br />10<br />SEM : Open Issues in Software Quality Models<br />

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