f

1
fábrica de software conceitos, idéias e ilusões

• silvio_at_cin.ufpe.br
• joa_at_ufrpe.br

2
Conceitos

• Operação profissional
• Processo de desenvolvimento transparente
• Retorno rápido ao cliente
• Alta produtividade
• Ferramentas padronizadas
• Alta qualidade
• Dados históricos
• Reusabilidade de código
• 1968 GE, R. W. Berner
• 2003 IEEE Computer Vol.36 Num.3, B. Boehm

3
Idéias

• Fábrica de Software
• Kanbam
• Just In Time
• SIGMA
• CMM
• Fábrica de Software... de novo?

4
Ilusões

• fábrica de software ?produção em massa
• padronização, formalização, especialização,
  controle ? produção de software em massa
• o que fazer?

5
Conceitos

• The factory is an organization inhabited by
  people engaged in a common effort, work is
  organized one way or the other, standardization
  is used for coordination and formalization, and
  systematization is important, but there will be
  several options for the design of a particular
  software factory
• Aaen, Botcher, Mathiassen, Software Factories,
  1997

6
Conceitos

• Much of our knowledge of how to accomplish our
  purposes is not articulate but tacit
• The whole field of software development
  methodology remains in ferment, with new
  methodologies growing up amid high hopes, and
  then fading in disappointment
• Capital goods are, in their essence, embodied
  knowledge
• Howard Baetjer, jr. Software as Capital, 1998

7
4 idéias contribuições e ...

• Japonesa (1981,1987)
• SWB Software Work Bench
• Européia (1991,1992)
• ISDE Integrated Software Development
  Environment
• Norte-Americana experiência produção
  (1989,1993)
• Norte-Americana níveis de maturidade (1990,1993)

8
...Análise Comparativa...

• Context
• In which setting was the approach developed?
• Objective
• Which goals are pursued and which specific
  problems are sought to be solved?
• Strategy
• How should these goals be achieved?
• Organization
• What is the proposed design of the software
  factory?
• Implementation of improvement
• How should the improvement efforts be implemented?

9
...conclusões...

• The four approaches are important contributions
  towards this goal. At the same time the
  approaches individually may lead to unfortunate
  illusions. Learning from the relative strengths
  and weaknesses between the approaches may help us
  avoid becoming victims of these illusions

10
... Ilusões... ?...?

• Zezinho?
• Patinho Feio?
• Software?
• Standish Group Chaos Report
• Failed 40 (1996) ? 23 (2000)