非功能需求和国际软件基准组织知识库：评估者的新挑战.pdf

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1、 2023 DXC Technology Company.All rights reserved.IT Confidence Conference 2023Nov 10,2023(online)Non-Functional Requirements and ISBSG Repositories:A New Challenge for Estimators Nov 10,20232 2023 DXC Technology Company.All rights reserved.Goals for the presentation G1.Recap how a generic User Requi

2、rement(UR)can be classified and defined(FUR,NFR,PRJ)using the ABC Schema G2.Present the NFR evolution through the most known quality models till theISO 25000(SQuARe)family of standards G3.Discuss why NFRs are so relevant in creating(or solving)the TechnicalDebt issue G4.Present the ISBSG NFR-based r

3、epositories and their value for improvingestimates,also for Zero FPs projectsOctober 10,20233 2022 DXC Technology Company.All rights reserved.Luigi BuglioneMeasurement&Process Improvement Specialist(DXC Technology,EMEA SL Applications-Italy)Ph.D.,CFPS,CSS,CCFL,ITIL4 MP,Email:LLinkedin:https:/ Workpl

4、ace(SPIMQ):https:/ Associations(Software Measurement domain)IFPUG Board memberISBSG Vice-PresidentGUFPI-ISMA President The ABC ModelWho I amNov 10,20234 2023 DXC Technology Company.All rights reserved.NFRs and ISBSG repositoriesThe Iceberg of Requirements,Relative Error(RE)and Cone of UncertaintyIs

5、TD there?Q:Why estimations(often)fail creating a“Technical Debt”(TD)?Nov 10,20235 2023 DXC Technology Company.All rights reserved.NFRs and ISBSG repositoriesProject Lifecycle phases Size/Effort growing moving towards the Release phaseInitial Budget from HLRsActual values cannotdiffer more than a x%f

6、rom the initial estimationthus the higher the gap,the worst the way to manage URs from the beginning of a projectNov 10,20236 2023 DXC Technology Company.All rights reserved.NFRs and ISBSG repositoriesUser Stories in Agile projects and Requirement Types CouldTD be there?NFR/PRJ are(often)notwritten