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CMMi 4 techstaff


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CMMi 4 techstaff

  1. 1. 1Intel ConfidentialSoftware Development ProcessSoftware Development Processin LVTin LVTCMMICMMI Action planAction plan
  2. 2. 2Intel ConfidentialPresentation goalsPresentation goals Present suggested action plan for better developmentPresent suggested action plan for better developmentprocessprocess Get feedback from technical staff beforeGet feedback from technical staff beforeimplementationimplementation
  3. 3. 3Intel ConfidentialAgendaAgenda Current process findings (general)Current process findings (general) Suggested action plan:Suggested action plan:– GeneralGeneral– RequirementRequirement– Analysis and designAnalysis and design– Verification/validationVerification/validation Possible price and success indicatorsPossible price and success indicators
  4. 4. 4Intel ConfidentialCurrent Process finding –Current Process finding –Summary:Summary:Most of the needed activities are done, BUT:Most of the needed activities are done, BUT: Not all of themNot all of them Not in all the groupsNot in all the groups Not consistentlyNot consistently The design process seems to be the most important.The design process seems to be the most important.
  5. 5. 5Intel ConfidentialWhat’s next ???What’s next ??? Process enhancements recommendations:Process enhancements recommendations:– Action plan per development activity (crisp but flexible)Action plan per development activity (crisp but flexible)– CASE tool support (+ reverse engineering) EA/RRCASE tool support (+ reverse engineering) EA/RR– Use existing formats (EPS/IPS) with UML enrichmentsUse existing formats (EPS/IPS) with UML enrichments– Supporting training (UML/UP), consultingSupporting training (UML/UP), consulting We need your commitmentWe need your commitment
  6. 6. 6Intel ConfidentialRequirements:Requirements:
  7. 7. 7Intel ConfidentialRequirements:Requirements:GOAL: Understand, document and model what theGOAL: Understand, document and model what thecustomer really needscustomer really needs Use lite-UML (CASE driven) formatUse lite-UML (CASE driven) format for requirements:for requirements:– Functional requirements:Functional requirements: Use case format (Diagrams and description) for main requirementsUse case format (Diagrams and description) for main requirements– Non-Functional:Non-Functional: Usability (UI/GUI, Help)Usability (UI/GUI, Help) Reliability (Robustness, recoverability)Reliability (Robustness, recoverability) Performance (throughput, response time)Performance (throughput, response time) Supportability (scalability, testability, flexibility)Supportability (scalability, testability, flexibility)– Constraints related:Constraints related: Design (legacy code,Design (legacy code, Implementation (language, standards, limited resources)Implementation (language, standards, limited resources) Physical (HW architecture, Size…)Physical (HW architecture, Size…) Interfaces (API’s, protocols, formats…)Interfaces (API’s, protocols, formats…)
  8. 8. 8Intel ConfidentialDesign:Design:GOAL: Reflect requirements in system detailedGOAL: Reflect requirements in system detaileddescription.description. Design phases:Design phases:– Architecture design:Architecture design: Partition the system into manageable tasksPartition the system into manageable tasks Definition of system wide strategiesDefinition of system wide strategies– Logical designLogical design Solve all open issues, algorithmsSolve all open issues, algorithms Model the user interface (GUI ?)Model the user interface (GUI ?) Work on reusability (correct classes)Work on reusability (correct classes)– Physical DesignPhysical Design Reflection of NFRs, constraintsReflection of NFRs, constraints Implementation (language, standards, limited resources)Implementation (language, standards, limited resources) Modeling all interfaces.Modeling all interfaces.
  9. 9. 9Intel ConfidentialProposedProposed Design process:Design process: Design products:Design products:– Write design document:Write design document: Use IPS + UML formatUse IPS + UML format Use UML diagrams (sequence diagram, class diagram)Use UML diagrams (sequence diagram, class diagram)when appropriate.when appropriate. Algorithms and forecasted performance analysis whenAlgorithms and forecasted performance analysis whenappropriate.appropriate.– Run design reviewRun design review for each new product/featurefor each new product/feature Discretionary forum.Discretionary forum.
  10. 10. 10Intel ConfidentialProposed Verification process:Proposed Verification process:GOAL: Verify requirements answered, enhanceGOAL: Verify requirements answered, enhanceproduct quality.product quality. Write a test planWrite a test plan for each new product / large featurefor each new product / large featuredeveloped:developed:– FunctionalFunctional Cover all use casesCover all use cases Unit testing and system testing / full flow testingUnit testing and system testing / full flow testing– Non-functionalNon-functional Robustness, performance…Robustness, performance…– Regression:Regression: Add to regression test baseAdd to regression test base Analyze expected results changeAnalyze expected results change Review test planReview test plan within group.within group. Run code reviewsRun code reviews (1:1s) for risky/complex code segments.(1:1s) for risky/complex code segments.
  11. 11. 11Intel ConfidentialPrice and indicators:Price and indicators: Price we have to pay;Price we have to pay;– UML courses for most peopleUML courses for most people– Learning curve (first half year only)Learning curve (first half year only) Improvement Indicators:Improvement Indicators:– Satisfaction/improvement surveySatisfaction/improvement survey– Better WDCBetter WDC– Better internal/external bug ratioBetter internal/external bug ratio– Less effort ? (hard to measure)Less effort ? (hard to measure)
  12. 12. 12Intel ConfidentialBackupBackup
  13. 13. 13Intel ConfidentialMotivationMotivation
  14. 14. 14Intel ConfidentialMotivationMotivation
  15. 15. 15Intel ConfidentialTesting MotivationTesting Motivation
  16. 16. 16Intel Confidential