Patterns Of Architectural Modernization

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@duﬄeit Patterns Of Architectural Modernization Beyond Strangler Fig

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@duﬄeit DAVID LEITNER Coding Architect 👋 [email protected] 🌎 @duﬄeit

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@duﬄeit Where is all this legacy coming from?

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@duﬄeit 🖼 🏢 👾 🚀 🗺 🧑💻 💭 👩🦰 👦 🧑 💭 🌱

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@duﬄeit 🖼 🏢 👾 🚀 🗺 🌱 🧑💻 💭 👩🦰 👦 🧑 💭

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@duﬄeit

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@duﬄeit Software

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@duﬄeit Software

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@duﬄeit Software 🖼

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@duﬄeit 🖼 🏢 👾 👩🦰 👦 🧑 Software

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@duﬄeit Everything constantly changes in unpredictable ways; that's the main constant in software. — Neal Ford

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@duﬄeit Software 🖼 🏢 👾 👩🦰 👦 🧑 GAP ✨

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@duﬄeit 1996: Technical Debt too high in Version 4 Complete Rewrite 2000: Netscape Version 6 Released The story of Netscape

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@duﬄeit If you do a big bang migration, the only thing you're certain of is a big bang. — Martin Fowler

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@duﬄeit GAP ✨ Software

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@duﬄeit Software

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@duﬄeit Software

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@duﬄeit Constant architectural evolution and modernization are key to keeping engineering organizations eﬀective in delivering value. As our constraints and the environment, we operate in are constantly changing.

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@duﬄeit Even if you make consistently good architecture decisions, the assumptions your decisions are based on will change over time. — Nick Tune

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@duﬄeit Software

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@duﬄeit Current State Target State Shift of Business Shift of Technology Reduction of Costs Organizational Change Shift Of Pace

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@duﬄeit Deﬁne what your are optimizing for Shift of Business Shift of Technology Reduction of Costs Organizational Change Shift Of Pace and how you can measure it.

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@duﬄeit Deﬁne what your are optimizing for Shift of Business Shift of Technology Reduction of Costs Organizational Change Shift Of Pace and how you can measure it.

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@duﬄeit Deﬁne what your are optimizing for Shift of Business Shift of Technology Reduction of Costs Organizational Change Shift Of Pace and how you can measure it.

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@duﬄeit Deﬁne what your are optimizing for Shift of Business Shift of Technology Reduction of Costs Organizational Change Shift Of Pace and how you can measure it. on Fitness Functions

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@duﬄeit Current State Target State Shift of Business Shift of Technology Reduction of Costs Organizational Change Shift Of Pace Why? Target Picture Measure In Iterations

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@duﬄeit Divide And Conquer Finding Boundaries

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@duﬄeit Business Capability Map

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@duﬄeit Improve the Modularisation Maintainability Adaptability Products Categories Users Orders

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@duﬄeit Decrease the Cycle Time Products Categories Users Orders

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@duﬄeit Decrease the Cycle Time 👩🦰 👧 👱 Products Categories Users Orders

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@duﬄeit Decrease the Cycle Time 👩🦰 👧 👱 🧑 👧 👧 👧 🧑 🧑 👧 🧑 🧑 Products Categories Users Orders Distribtued Monolith

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@duﬄeit Product Search Product ORDERing Prodcut Delivery Modularize Around Customer Journeys

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@duﬄeit Event Storming Event Storming

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@duﬄeit Product Search Product ORDERing Prodcut Delivery Modularize Around Customer Journeys Pivotal Events

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@duﬄeit Product Search Prodcut Delivery Structure Around Customer Journeys Service 👧 🧑 🧑 🧑 👧 👧 👩🦰 👧 👱 Service Product ORDERing Service

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@duﬄeit Organizations which design are constrained to produce designs which are copies of the communication structures of these organizations. — Melvin Conway

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@duﬄeit Product Search Team 👧 🧑 🧑 Inverse Conway Maneuver

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@duﬄeit Product Search Team 👧 🧑 🧑 Inverse Conway Maneuver

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@duﬄeit Nick Tune the-engineering.club

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@duﬄeit 👧 🧑 🧑

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@duﬄeit ALL MONOLITHS MUST DIE

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@duﬄeit Good & Bad Bank Strategy New web Banking Solution ✨ 20% of the functionality That is Used by 80% of the users Legacy web Banking Solution 🧟 80% of the functionality That is Used by 20% of the users

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@duﬄeit Product Search Prodcut Delivery Service 👧 🧑 🧑 🧑 👧 👧 👩🦰 👧 👱 Product ORDERing Independent Deployability Higher Resilience Dynamic Scaling Decrease Failure Rate

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@duﬄeit Deployment Units Monolithic Distributed Modularisa3on Bad Well Big Ball Of Mud

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@duﬄeit Deployment Units Monolithic Distributed Modularisa3on Bad Well Big Ball Of Mud Distributed MOnolith WelL-Structured MOdulith

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@duﬄeit Deployment Units Monolithic Distributed Modularisa3on Bad Well Big Ball Of Mud WelL-Structured Modulith Distributed Monolith Distributed Self-Sufficient Services Independent Deployability achieved higher Resilience