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DDD Taiwan Community - DDD 15 Years zh_TW introduction

Kim Kao
April 13, 2021

DDD Taiwan Community - DDD 15 Years zh_TW introduction

DDD Taiwan community host a DDD 15 years zh_tw translation edition introduction meetup, in this talk Kim delivered a few key concepts from the book and explained how to raise successful rate in adopting DDD into real problem domain.

Kim Kao

April 13, 2021
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  1. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. DDD 15 years Kim Kao Volunteer, Domain-Driven Design Taiwan Community
  2. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Workshops on Software Design, Modelling, Programming, and Practices Remote or across Europe
  3. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved.
  4. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved.
  5. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved.
  6. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved.
  7. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. • A SaaS company request to have realtime reporting system • 1M GBP is needed without correct problem framing • Solution first strategy, rather then problem first Set the right goal
  8. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Occasional complexity over Essence complexity
  9. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Over simplify leads to wrong decision A R E Y O U S U R E O N T H E R I G H T C H E C K ?
  10. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. DDD Practitioner don’t do
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    All rights reserved. • Make each decision recorded • Decision making to support business intention • Earn supportive rather than position pressure • Take care different stakeholders’ concern Visualize decision W I K I , K A N B A N B O A R D , R E F E R E N C E C A R D …
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    All rights reserved. 軟體開發是一個學習過程, 可工作的軟體只是這一過程 的副產品 Alberto Brandolini EventStorming founder
  13. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Make sure you know the essence, rather than coding for visibility… -- Impact Mapping : Making a Big Impact With Software Products and Projects, 2012 Provoking Thoughts
  14. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Mental model to Code Jungle gap
  15. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved.
  16. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Reputation-Driven Design P O S I T I O N I N G I S T H E M A J O R C O N C E R N
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    All rights reserved.
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    All rights reserved. • How can we have clear bounded context without evolution • How to define the invariants as Value Object or promote to Entity • If divide problem domain by capbability, will it stable? • I just want to do high level scenario explaining, can partner(s) implement well in DDD approach? Most frequently asked questions
  19. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved.
  20. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. “Capture all meaningful events during the time period, which means impactful for problem domain” Kim Kao 3 babies Daddy, achieved @ 2021-04-12
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    All rights reserved. Explain stories through EventStorming Prepare order Prepare fries Cook fries 3 Package fries 7 Package order 10 Deliver order 11 Prepare burger Cook burger Package burger 9 Prepare drink +Top +Straw 5 Fill drink 4 Take order 1 Cook side 2 6 Cook side 1 2 +Cheese 8 TIME
  22. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Drive boundary through Example mapping
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    All rights reserved. “Designing a subsystem in detail, is an iterative process during which we leverage both “Design Level” Event Storming and “Model Exploration Whirlpool” Kacper Gunia UK Domain-Driven Design Community Founder
  24. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Executional model to survive
  25. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Do you aware stopping collaboration process? F R O M C O D I N G E V E R Y T H I N G Y O U L I K E
  26. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Classic requirement taking scenario
  27. © 2021, Domain-Driven Design Taiwan Community Inc. or its affiliates.

    All rights reserved. Total Cost Ownership C O D I N G L A T E R , T H E C O S T L E S S E R
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    All rights reserved. Collaboration in prototyping L E A R N F R O M E A C H O T H E R
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    All rights reserved. Minimize collaboration barrier Tech Vision Implement
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    All rights reserved. Vision Clarity of vision Skillset Toolset
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    All rights reserved. Vision Take away
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    All rights reserved. Thank you! Senior Solutions Architect linkedin.com/in/kimkao twitter.com/YiKaiKao facebook.com/kimkao.solid Kim Kao