From capabilities to services modelling for business-it alignment v.2
Our industry seems to go through cycles of re-discovery of lost knowledge with every new generation of developers, which probably is not so odd considering the exponential growth of practitioners. Allegedly half of the programmers today are juniors, which means many of them have yet to encounter the challenges faced decades ago. For example, many run the risk of falling into the trap of modelling services around domain entities, risking ending up with a distributed monolith with its devastating coupling, fragility, and cognitive nightmare. Lucky for us, we have shoulders to stand on to get us out of the quagmire, or even better, prevent us from getting on that slippery slope in the first place. Being conscious of fallacies like those of distributed computing and anti-patterns like functional decomposition and entity services are all well and good, and necessary heuristics to good service design, but we often crave more concrete guidance. There are many great techniques to consider, like context mapping, user story mapping, event storming, and value chain analysis, but in this talk I will focus on the lost art of business capability modelling. My thesis is that a technique that was relevant in the pre-computing era might be just as useful and relevant when we split our monoliths into a mesh of autonomous (micro)services. Maybe they even could help us identify subdomains, contexts, and organisational structure; in effect the construction of sociotechnical systems?
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From capabilities to services modelling for business-it alignment v.2
- 1. From Capabilities to Services Modelling for Business-IT Alignment
- 4. Theodor Kittelsen. Soria Moria slott , 1900
- 5. @trondhjort
- 6. @trondhjort
- 7. @trondhjort
- 8. @trondhjort Source: Baruco 2012: Micro-Service Architecture, by Fred George
- 9. @trondhjort -Udi Dahan “A service is the technical authority for a specific business capability.” Photo: DDD Europe 2017
- 10. @trondhjort Source: InfoQ books 2006
- 11. Source: “From Capabilities to Services: Moving from a Business Architecture to an IT Implementation”, Homann & Tobey 2006@trondhjort
- 12. @trondhjort “A business capability represents the ability for a business to do something.” Source: The Open Group 2016 in G161, ‘Open Group Guide: Business Capabilities‘ “A business capability is a particular ability or capacity that a business may possess or exchange to achieve a specific purpose or outcome.”
- 13. @trondhjort
- 16. Source: Sam Homer, https://businessways.com/organization-need-businessit-alignment/@trondhjort
- 17. @trondhjort Source: "EDA: SOA through the looking glass", Udi Dahan 2009
- 18. Source: "EDA: SOA through the looking glass", Udi Dahan 2009@trondhjort
- 20. The What, not the How initially neither Who nor Why @trondhjort
- 23. A Capability is not… A department A business process A function A data entity An IT system @trondhjort
- 24. A Capability is defined by… People Process Information Tools @trondhjort
- 26. @trondhjort The Enterprise Level 1 Level 2 Level 3 4
- 27. Source: Example by Ulrich Kalex, The Open Group@trondhjort The Enterprise Corporate Management Market Dev. Oversight Product Dev. Support & Services Delivery
- 28. The Enterprise Source: Business Capability Management, Ulrich Kalex 2011@trondhjort Corporate Management Market Dev. Oversight Product Dev. Support & Services Market Development Contact Man. Revenue Analysis Regional Market Man. Order and Contract Man. Market Analysis Delivery Direct Marketing Channel Man. Sales Man.
- 29. Labour and Welfare @trondhjort Corporate Management Service development Assistive Employment assistance User management Portfolio management Employment assistance Social assistance Family assistance Statistics Pension assistance Benefits Unemployment assistance Employer support Sick leave assistance Employment service
- 30. Internet Service Provider @trondhjort Corporate Management Develop services Sell services Recommendations Build accesses Sell services Deliver services Insight Finance Outgoing sales Seller efficiency Incoming sales Planning
- 31. @trondhjort Name Service feasibility check Description The ability to check what type of technical access infrastructure is available at a given address. Components Roles User: Customer Business unit: Technical infrastructure Processes Feasibility search Service inventory Information Technical address, networks, access types, broadband speed, … Tools Kapaks, search component, address index.
- 32. Using the business capability model
- 33. @trondhjort Business consulting Business analysis Strategic planning Heat maps
- 34. @trondhjort Source: The Open Group 2016 in G161, ‘Open Group Guide: Business Capabilities‘
- 35. @trondhjort Business consulting Business analysis Strategic planning Heat maps Data Management Organisation Planning
- 36. @trondhjort “Products-mode works best when teams are organized to be simultaneously aligned with business relevant capabilities and with enterprise architecture boundaries.” Source: "Products Over Projects", Sriram Narayan 2018 “Without the former, they may lose alignment with business goals. Without the latter, they lose out on autonomy.” Product over projects
- 37. @trondhjort Source: Alignment at Scale, Henrik Kniberg 2016
- 38. @trondhjort Business consulting Business analysis Strategic planning Heat maps Data Management Technical design Organisation Planning
- 39. Divide and Rule
- 42. From Capabilities to Services Modelling for Business-IT Alignment @trondhjort