1. Johan Eltes Callista Enterprise AB [email_address] http://www.callista.se/enterprise The Reference Architecture - a foundation for successful projects
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6. Outcome of using RA at AZ How much time did we gain, in terms of reduced architectural and technical re-factoring (%)? How much time did we gain, by reducing the time spent discussing J2EE design issues (%)? How much time did we gain, by cutting development time (%)?
8. Outcome of using RA at AZ 5 times the investment in a RA was harvested within a single project.
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10. What is it - Rational? “ A Reference Architecture is, in essence, a predefined architectural pattern, or set of patterns, possibly partially or completely instantiated, designed and proven for use in particular business and technical contexts, together with supporting artifacts to enable their use. Often, these artifacts are harvested from previous projects”
11. What is it - OMG? “ The principles and the means to most effectively achieve a design vision”