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Roadmap to SOA Governance of agile service oriented projects ©2005 Angeli/Grice logosworld.com Logosworld.com If all politicians mulled over god and the earth before they acted and not after they did, we would have a better state! Platon, On the State ©2005 Angeli/Grice logosworld.com Logosworld.com Logosworld.com Orchestration Replaces Orders SOA is designed to be built on convergence instead of linearity Linear models will imperatively fail SOA requires an implementation independent from sequence Wikis are best prove of concept! Societies work and depend on selforganizing strategies, only! ©2005 Angeli/Grice logosworld.com Logosworld.com Logosworld.com Project Management Concepts Waterfall Convergence Chaos (= holistic or self-organizing) Chaos models are variations of convergence models Understanding IT as a Service Governance is oriented on organisation of societies ©2005 Angeli/Grice logosworld.com Logosworld.com Logosworld.com SOA Management Team Organisations Teams are tailored to subject matters (“segregation of concerns”) • Business needs not organization shall drive team setup Every team is led by an IT and a business expert • Assures a balance between business and technical The leaders of a team can be from several teams • It is actually encouraged that the responsibles roam teams Every team has at least one member who is a subject expert in another team • This assures that knowledge is transportable and communicated Logosworld.com SOA Management Project Timing and Conduct SOA projects are non-linear Self-Containment • Ideally no single object‘s implementation or change should block other activities Interface Stability • Every system build interfaces first • Dummy responses can replace fully functionality Self-Test and Sample-Use • Every service needs to prove its full functionality in a self-test • Every set-up needs to be demonstrated by a sample service Logosworld.com SOA Management Team Management Team leaders recruit their members • Imagine it like „street-football“, captains are elected and then pick „their“ players Every team has fully responsibility for subject Every team knows the core tasks of other teams Teams can ask other teams for „services“ Management is the „Captain“ of the project Captain decides about course Captain is umpire between teams Logosworld.com Global Project Service Providers Project head understood as the „Captain“ of all teams Project coach as main mediator and arbitre Secretary for logistics Central service for hotel, travel, expenses, shopping... Professional language translator Developer or consultants MUST not do translations Management inspects for disorders The Captain controls the course and mediates contention and intervenes only when the team does not work in harmony ©2005 Angeli/Grice logosworld.com Logosworld.com Reporting Teams reports disorders ©2005 Angeli/Grice logosworld.com Logosworld.com Logosworld.com Example of project disorders Delays in delivery of service interfaces Quality deficiencies Illicit side-effects of implementations Violation of self-containment commandment Overuse of ressources Overloading from work Logosworld.com Project Timing Plan is built around sync-points (milestones) only Only deviations from target are reported to captain Teams agree sync-points themselves An arbitration commitee resolves contention SOA Governance is based on convergence Many activities run in parallel ©2005 Angeli/Grice logosworld.com Logosworld.com Logosworld.com Governance responsibilities Logosworld.com Organisation interaction in a SOA meta model Logosworld.com Sample governance organizational structure Logosworld.com Real Life Analogy of Social Development Pre-urban village Every farmer needed City to be allrounder Sophisticated tasks • smith, miller, baker are delegated to etc. specialists Every settlement • Miller, Baker, Smith needed to cater for etc. water, energy and Common and fortification efficient Superior inventions infrastructure in one village might Speedy evolution not be spread out • intensive reuse and be forgotten Cost efficiency eventually • Redundancy is Costs for automation Logosworld.com Why Wikis Work and Projects Don‘t Logosworld.com Loosing Money in Development Classical Isolated Tasks One developer programs end to end • • • • • • + one responsible - needs detail knowledge in all areas - all developers need detail knowhow - likelyhood of redundent work - very few reuse of components - risk of developer autism Team organisation Several developer (even on small tasks) • • • • - Project know how distributed + experts do expert works + high degree of reuse + communication and collaboration mandatory Societies produced different management strategies Imperative, devote, chaotic ©2005 Angeli/Grice logosworld.com Logosworld.com Logosworld.com What The Others Do? Imperative Military • Works with small teams and linear tasks • Suitable within a team but not to control collaboration Devote Abbey • Only suitable for ambitious, small and sworn in teams • Typically found in science and labs Chaotic Orchestra • The only choice starting from a certain team size • Used also for meta management • Most projects follow the orchestra principle Logosworld.com Areas of SOA Benefit Logosworld.com Meta Data Management metadata provides access to data objects and enables policy-based storage management. essential to information lifecycle management (ILM) Key factors that drive the design of a metadata management program metadata management will benefit your compliance strategy, externally facing and service applications, and internally shared applications.