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Agile, Lean, and Service-Oriented Development, Continuum, or Chasm
Abstract
A fad, hype, and a paradigm shift are often the words that are used about the agile, lean, and now also about service-oriented development. What starts as a step in evolution, grows into a mass movement in Internet and social media, and results in an avalanche of books, training, and consultancy services. Each proponent tries to differentiate from others with extreme statements of own superiority and blames of others’ shortcomings. Only a next fad, hype, or paradigm shift seems to be able to override the previous. This chapter looks through the fad, hype, or paradigm shift statements and describes the principles of the agile and lean approaches to the software development. Then it introduces the service orientation that is expected to be the next major shift. If it will overshadow the agile and lean excitement in the software industry, is discussed at the end of the chapter. In addition, this chapter looks into the past in order to find a continuum between these topics till today and to the future. Further some chasms in this continuum are identified, where a new idea has made a major shift and consequently has become a major force in the field. The service orientation in the software development is in the early phase of its lifecycle. The question is: will it still go through some chasm until it settles for large use, or is it already through all of adaptations and ready to be the next wave of evolution, or the next fad, hype and paradigm shift in software industry? The last part of this chapter proposes one more adaptation that creates continuum from the agile and lean approaches but brings up also the revitalization of architecting and design methodologies.
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