impacnalysis

1、Impact An alysis Checklist for Requireme nts Chan gesImp licati ons of the Propo sed ChangeIden tify any exist ing requireme nts in the baseli ne that con flict with the propo sed cha nge.Iden tify any other pending requireme nt cha nges that con flict with the propo sed cha nge.What are the con seq

2、ue nces of not mak ing the cha ngeWhat are possible adverse side effects or other risks of making the proposed changeWill the proposed change adversely affect performanee requirementsor otherquality attributesIs the propo sed cha nge feasible withi n known tech ni cal con stra ints and curre nt staf

3、f skillsWill the proposed change place unacceptable demandson any computer resources required for the devel opment, test, or host en vir onmentsMust any tools be acquired to impi eme nt and test the cha ngeHow will the propo sed cha nge affect the seque nee, dependen cies, effort, or scheduled durat

4、i on of any tasks curre ntly in the p roject planWill prototypingor other user input be required to verify the proposed changeHow much effort that has already bee n in vested in the p roject will be lost if this cha nge is acce ptedWill the propo sed cha nge cause an in crease in p roduct unit cost,

5、 such as by in creas ing third-p arty p roduct lice nsing feesWill the cha nge affect any marketi ng, manu facturi ng, tra ining, or customer supp ort plansSoftware Eleme nts Affected by the Prop osed ChangeIden tify any user in terface cha nges, additi ons, or deleti ons required.Identifyany change

6、s, additions, or deletions required in reports, databases,or data files.Iden tify the desig n components that must be created, modified, or deleted.Iden tify the source code files that must be created, modified, or deleted.Iden tify any cha nges required in build files.Iden tify existi ng un it, in

7、tegrati on, and system test cases that must be modified or deleted.Estimate the number of new unit,integration,and system test cases that willbe required.Iden tify any help scree ns, user manu als, training materials, or other docume ntati on that must be created or modified.Identify any other syste

8、ms, applications,libraries, or hardware componentsaffected by the cha nge.Iden tify any third party software that must be pu rchased.Iden tify any imp act the propo sed cha nge will have on the p roject ' s software p roject man ageme nt plan, software quality assura nee plan, softwarecon figura

9、ti on man ageme nt plan, or other plans.Iden tify work p roducts that must be reviewed after they are modified.Effort Estimati on for a Requireme nts ChangeEffortTask(Labor Hours)Procedure:1.2.3.Up date the SRS or requireme nts database with the new requireme nt Devel op and evaluate p rotot ypeCrea

10、te new desig n componentsModify exist ing desig n componentsDevel op new user in terface componentsModify exist ing user in terface componentsDevel op new user p ublicati ons and help scree nsModify existi ng user p ublicati ons and help scree nsDevel op new source codeModify existi ng source codePu

11、rchase and in tegrate third p arty softwareModify build filesDevel op new un it and in tegrati on testsModify exist ing unit and in tegrati on testsPerform un it and in tegrati on test ing after impi eme ntati onWrite new system test casesModify existi ng system test casesModify automated test drive

12、rsPerform regressi on test ing at un it, in tegrati on, and system levels Devel op new rep ortsModify existi ng rep ortsDevel op new database eleme ntsModify exist ing database eleme ntsDevel op new data filesModify exist ing data filesModify various p roject plansUp date other docume ntati onUp dat

13、e requireme nts traceability matrixReview work p roductsPerform rework followi ng reviews and test ingTOTAL ESTIMATED EFFORTIden tify the subset of the above tasks that will have to be done.Allocate resources to tasks.Estimate effort required for pertinent tasks listed above, based on assigned resou

14、rces.Total the effort estimates.4.' s critical path.5. Sequence tasks and identify predecessors.6. Determine whether change is on the project7. Estimate schedule and cost impact.Imp act An alysis Rep ort Temp lateChange Request ID:Title:Descri pti on:An alyst:Prioritizati on Estimates:Relative Ben efit:labor hours labor hours days dollarsDate Prep ared:Relative Pen alty:Relative Cost:Relative Risk:Calculated P riority:Estimated total effort:Estimated lost