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Enterprise Architecture on Trial


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Unicom EA Forum March 2013
Chairman's Keynote Slides

Enterprise Architecture on Trial

  1. 1. RICHARD VERYARDUnicom EA Forum March 2013EnterpriseArchitectureon Trial
  2. 2. Explaining and Judging PracticeWhat is a Practice?Four Causes (Aristotle)Three Prong Method (MoZi)Four Prong Method (Veryard)Explaining Judging
  3. 3. What is a Practice?Community There are individuals and organizationswho are associated with the practice. (Medicine is associated with doctors andclinics.)Instrumental (Functional) It should perform some function. (Medicine is associated with keepingpeople healthy and fighting disease.)Conceptual (Discursive) It should offer a language for reasoningand talking about things. (Doctors can communicate with oneanother, and with other practitioners suchas pharmacists.)Knowledge-based There is some body of knowledge that isavailable to practitioners. (In the case of medicine, this includesanatomy, physiology and biochemistry.)Service There is a way in which practitionersengage with the subject. (There are established ways for patientsto visit doctors, and for doctors to bepaid.)What is EA? When people talk about EnterpriseArchitecture, they may mean any or all ofthe above.
  4. 4. Which Practice? An individual or team customizes aframework for a specific project ororganization. The project or organization deviates fromthe official framework in various ways. Adding and subtracting activities Simpler or more complicated pathways Links to other frameworks Use of available tools A project may be retrospectively massagedto comply with an official framework. The participants may be more or lessaware of any deviations and theirconsequences.Official• What thebook saysEmergent• What thecommunitydoesEspoused• What theteam thinksit is doingIn-Use• What theteamactuallydoes
  5. 5. Four Causes (Aristotle)Final Cause Whats the purpose, forwhom? Outcomes.Material Cause What is the stuff that isbeing worked on? What things are beingattended to?Efficient Cause Who does it, and how?Process.Formal Cause Whats the conceptualframework?Methodological Emphasis? Over-emphasis on the Formal Cause inbooks and training materials?
  6. 6. Three Prong Method (MoZi)Origin “the sage kings of antiquity”Validity reference to the evidence "the eyes and ears of thepeople”Applicability whether it brings benefit tothe enterprise and the people
  7. 7. Who are the sage kings?(How many can you recognize?)
  8. 8. Four Prong Method (Veryard)Effective There is some evidence that it worksand delivers value.Grounded There is some explanation why itworks. The explanation is oftenexpressed as some form of theory.Coherent Not just random collections of ideasand tools, but having a meaningfulidentityProgressive Capable of learning systematicallyfrom experience, and adapting itselfto new situations. Don’t take results at face value Don’t take participants’theories at face value2x Caution
  9. 9. Avoid Magical Thinking Birds have feathers. Birds fly We want arrow to fly. Arrowmust have feathers to be likebird. Ironically, putting featherson arrows actually works,but not for the reason thatour ancestors thought.
  10. 10. More …eBooks from LeanPub from Unicom