Software systems modernisation
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The document discusses the challenges of software systems modernization versus complete replacement, highlighting issues like poor digital support, technical debt, and changing requirements. It advocates for continuous modernization as a safer and more efficient option, emphasizing the importance of identifying friction points and adapting strategies accordingly. A case study of BNP Paribas illustrates the advantages of modernization over complete system replacement.
Software systems modernisation
- 1. Software systems modernisation - a better option to their replacement Michal Petřík, Head of Software Development November 4th, 2020
- 2. 2 Contents 1. The challenges 2. Choosing the right approach 3. Case study
- 3. 3 About Me Michal Petřík › Software Engineer › Fullstack Developer › Team Leader / Project / Delivery Manager › Head of Software Development at Profinit › 15+ Years Experience With Software Systems Modernisation Contact: mpetrik@profinit.eu www.linkedin.com/in/mpetrik-41442895 @Profinit_SW
- 4. Audience Q&A Session ⓘ Start presenting to display the audience questions on this slide.
- 8. What are typical business challenges today? ⓘ Start presenting to display the poll results on this slide.
- 9. 9 Typical Challenges Poor Digital Business Support − Systems lacking support for new business models or channels Changing Requirements − Systems not fit-for-purpose anymore, poor UX, … High Pace of Change − Systems being slow to change, risky and costly to change Compliance Risks − Aging technologies, unsupported platforms, skills shortage Maintenance Costs − Systems with huge technical debt, poor code quality
- 11. 11 How Has It Happened…? › Users are in 7 countries now | system has been designed for 1 › Business has grown | system has not › Requirements have shifted | system has not › Required development capacity was 10 FTEs | now it is 50 FTEs › Technical debt used to be acceptable | now imposes bussines risks
- 12. Which situation are you familiar with? ⓘ Start presenting to display the poll results on this slide.
- 13. Why Has It Happened…? … a lot of "harmless" decisions along the way…
- 14. Time to replace?
- 15. 15 Six Key Drivers Demand (Business) Supply (IT) Fit Value Agility Cost Complexity Risk Digital Business Support Changing Requirements Higher Pace of Change Technical Debt Aging Technology Time, Cost & Risk of Change Unsupported Platforms Skills Shortage
- 16. 16 The Root Cause Fit Value Agility Cost Complexity Risk Functionality Architecture Technology Demand (Business) Supply (IT)
- 17. 17 Continuous Systems Modernisation …why bother and not just replace? › Cost, Risk and Impact? Rip and replace whole systems: Too costly, risky, time-consuming; high impact to the business › Business Cannot Wait We cannot wait for everything to be transformed or modernized › No-one Can Predict Future It is hard to predict and design services upfront Continuous delivery requires continuous modernisation | even new systems
- 18. 18 Are We Talking About Monolithic Systems?
- 19. 19 Are We Talking About Monolithic Systems? Where does it end?
- 20. 20 Continuous Systems Modernisation The key is to identify friction points and modernize them
- 23. 23 New Systems Become Legacy Too ... simply said: that assumption is absolutely wrong new systems need to be continuously modernised too … unless you want to have the same problem every few years "We are going to have a new system, therefore no further investments." Fit, Value, Agility Cost, Complexity, Risk Year 3 Year 5
- 24. How old are your core systems? ⓘ Start presenting to display the poll results on this slide.
- 25. Use Case
- 26. 26 BNP Paribas Wings Core System › Core non-life insurance system for 3 countries › Hard to replace but also hard to maintain › Two approaches applied: – Profinit‘s Takeover methodology – Continuous modernisation 2012 Poor system quality 2-3/2013 System assessment 3-7/2013 Transition to Profinit 7/2013 Full service 2016 Rollout to 4 new countries 4/2020 Engaging new countries
- 27. Summary
- 28. 28 Summary › Think twice before ripping out and replacing the whole system › Continuous modernisation offers a lot more options (safer/faster) › How to modernise? › Find the real root causes (friction points) › Choose the best strategy for the particular case › Plan Execute Evaluate Repeat › Modernise continuously (make sure everybody understands it)
- 29. Audience Q&A Session ⓘ Start presenting to display the audience questions on this slide.
- 30. Questions?
- 31. Profinit EU, s.r.o. Tychonova 2, 160 00 Prague 6 | Phone + 420 224 316 016 Web www.profinit.eu LinkedIn linkedin.com/company/profinit Twitter twitter.com/Profinit_EU Facebook facebook.com/Profinit.EU Youtube Profinit EU Thank you for your attention