Design For Changes

Architecting for Changes with UML Emmanuel FUCHS C2 Architect

What, Why, How ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

B usiness/ D omain modeling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fred Brooks ,[object Object],[object Object],[object Object],[object Object]

Werewolves in V cycle Documentation And mock-up Phase

Werewolves in V cycle Documentation And mock-up Phase werewolves Silver Bullet

Well Known Silver Bullets ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Essential VS Accidental ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Essential And Accidental in V cycle Essential Accidental Design

Essential And Accidental Gain Ratio The costs spring from the design Potential Gain 90% Potential Gain 10% Essential: Design Accidental: Development

E=MC² Simple Unifying Principles. Creation of stars and planets, Michelangelo, Sistine Chapel

Human Creation ? No Simple Unifying Principles. Software is a human creation Software

Brook Suggestions and remarks ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mythical Man Month (MMM= 3M) t t Man T

Mythical Man Month (MMM= 3M) t t Man Man T T/3

Mythical Man Month (MMM= 3M) The Bearing of a child takes nine months, no matter how many women are assigned. =

Mythical Man Month (MMM= 3M) t t Man Man 9 months 3 months =

Division Case = ,[object Object],Division (A/B) Division (B = 0) Division (B <> 0)

Factory Create() = Division (A/B) Division (B = 0) Division (B <> 0) Factory

The design pattern seminal book Ralph, Erich, Richard, and John at OOPSLA 1994 The Gang of Four

Great Designers: Dual Ladder Senior member of the technical staff Managerial Ladder Technical Ladder

Thales People F irst Dual Ladder Senior member of the technical staff

Modeling method ,[object Object],[object Object],[object Object],[object Object]

Dual Track Process Management Process Technical Process CMMI DOD498 For example : RUP (Rational Unified Process) SSS ICD SSDD IRS SRS Business/Domain Model (UML) Sys-EM

Barry W. Boehm spiral Pair Review

Iterative and Incremental time

Iterative and Incremental Incremental Iterative

Iterative and Incremental Not This !

Use Case Prototyping Cycle Prototyping Refactoring Review Review Start Here Halfway break

Typical learning Increment Quick And Dirty Prototyping And Modelling Code and Model Refactoring Review Review Break

Typical Prototyping Increment Rapid Prototyping And Modelling Model Refactoring Objective: Use Case Basic Functions Secondary Functions Review Review Objective: Use Case Basic Functions Secondary Functions Break

Iterative and Incremental Learning Modelling/Prototyping Building

Iterative and Incremental time Specifications Redaction Common V Cycle Learning And prototyping

Iterative and Incremental CMMI Pair Review High Quality steady Level

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object]

Design For Changes

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