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Requirements Development

Supportive

SG 1 Deve SP 1.1 SP 1.2

SG 2 Deve SP 2.1

SP 2.2 SP 2.3

lop Customer Requirements Elicit Needs Develop the Customer Requireme

lop Product Requirements

Establish Product and Product-Co Requirements

Allocate Product-Component Req Identify Interface Requirements

Enabling

“Fuzzy set” at “SW system” level Prioritize at iteration level (e.g. by technical challenge, importance to customer, functional precedence) Validate only those accepted into iterations (inspect

Enabling

Enabling

Enabling

Enabling

Enabling

SG 3 Analyze and Validate Requirements

SP 3.1

Establish Operational Concepts a

Supportive

tests)

  • Much less functional

analysis needed

g

SP 3.2 SP 3.3 SP 3.4 SP 3.5

Establish a Definition of Required Functionality What is don

Supportive

a much higher level of abstraction Analyze Requirements g Analyze Requirements to Achieve Balance Validate Requirements with Comprehensive Methods ng Enabling

81

©2005 Jacobs Sverdrup and the Systems and Software Consortium, Inc.

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