Scenario based analysis of COTS acquisition impacts (Feblowitz & Greenspan, 1998)

Johan Meppelink

The authorsFeblowitz & Greenspan

Worked at GTE (General Telephone & Electronics) , USA

Both researchers

Feblowitz (focus): Requirements Engineering and its link with business

Greenspan: consultant on Requirements and software Engineering

Method purpose & contextMany reasons to pick a Commercial Off The Shelf (COTS) product

- sellers reputation - product functionality - storage needs (back then)

- quality attributes (security) - etc.

Resulting in:

A > B, because A has more functions / is more secure

Impact on the enterprise

Method overview

Example scenario (highlighted elements!)

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PDD (write baseline scenarios)

PDD (complete)

PDD (complete)

PDD (complete)

PDD (complete)

PDD (complete)

Final remarks

Scenarios too elaborate

Use a hierarchical approach / iterateC

an

did

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Many candidates

Some promising candidates

Final candidate(s)

Ad

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QuestionsThank you for your attention (: