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Unpacking business-architecture
1. Unpacking Business Architecture Tom Graves , Tetradian Consulting TOGAF Stockholm, November 2010 info@tetradian.com / www.tetradian.com 3 Dec 2010 (c) Tom Graves / Tetradian 2010
5. Let’s just step back a bit... ...think about this in strict architectural terms
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7. Use the TOGAF maturity-model 3 Dec 2010 (c) Tom Graves / Tetradian 2010
8. TOGAF scope in maturity-model 3 Dec 2010 (c) Tom Graves / Tetradian 2010 TOGAF 8.1 TOGAF 9 (...everything else is just ‘detail stuff’) Main emphasis of TOGAF, for IT-architecture only ‘ Big-picture’ strategy Pain-points + wicked-problems But business most wants us to work on these...
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18. So where does TOGAF fit into this? ...or, how would we use TOGAF for this type of architecture?
19. We need a more balanced view... 3 Dec 2010 (c) Tom Graves / Tetradian 2010 “ everywhere and nowhere is ‘the centre’ of the enterprise-architecture”
20. ...current TOGAF is too parochial? 3 Dec 2010 (c) Tom Graves / Tetradian 2010 “ IT-infrastructure is the centre of the enterprise-architecture” (but there’s a whole world out there beyond IT...)
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24. Step 1: Context and patterns ...or, rethinking the real pattern behind TOGAF Phases B, C and D
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27. Scope of enterprise-architecture (complete EA includes many other intersecting ‘architectures’ – security, process, brand, organisation etc)
28. Step 2: Layering and cycles ...or, where Zachman really works with TOGAF
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30. Layers of abstraction (row-0 = ‘always’; rows 1-5 = far-future to near-future; row-6 = past)
31. Cycles of structural dependency (adapted from classic Group Dynamics project-lifecycle and VPEC-T framework)
33. The ‘quick-money’ failure-cycle (this was a key source of problems for the bank – too short-term focus, with the classic “last year +10%” used as a substitute for strategy)
34. Step 3: Consistency for models ...or, service-oriented architecture for the whole enterprise