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C h a p t e r 6 : R R e q u i r e m e n t s E n g i n e e r i n g f o r P l a t f o r m s 179 179
r
o
Start NFR work
Define RE
Questionnaires Standard/
Know-how
Structured questionnaires
New Elicit Marketing
questions Stakeholder Inputs Requirements
The Inputs for Domain/SW
Most Stakeholders Architecture
Collected Knowledge
Review
comments Stakeholder
inputs
Review
comments
Normalize
Stakeholder Inputs Unify the Terms
Reconcile the
Stakeholder Inputs
Service-Level
Functional
Derive the NFRs Reconciled Derive the NFRs Requirements
for the Platform inputs for the Services
NFRs for NFRs for
platform Check for the services Platform
Consistencies Architecture
NFRs for both platform and services
Platform
Check for features and Platform
Testability deployment Features
conditions
Formal Review NFRs
by
Stakeholders
Platform
Complete the Adjust the NFRs (Prototype and
Constraints for the Feasibility Component)
Testing Results
NFRs
Constraints NFRs
Is One More
Formal Review NFRs Complete the
NFRs
Needed?
Stakeholder
approval and
NFR finished
FIGURE 6.1 The PND process