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Evolutionary Architecture
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uzzu
May 16, 2016
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Evolutionary Architecture
uzzu
May 16, 2016
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Transcript
Evolutionary Architecture @uzzu
Evolutionary Architecture(進化的アーキテクチャ)は まだ定義が固まっているものではありません。 このスライドは私個⼈の⾒解です。
Evolutionary Architectureって何?
https://www.thoughtworks.com/radar/techniques/evolutionary-architecture
https://www.thoughtworks.com/radar/techniques/evolutionary-architecture
“An evolutionary architecture supports continual and incremental change as a
first principle along multiple dimentions.” 第⼀原則として、複数の次元で継続的かつ漸進的な変更を⽀援する
複数の次元で継続的かつ漸進的な変更...?
Traditional Architecture 要求(次元) 変更
Traditional Architecture 要求(次元) 変更
Traditional Architecture 要求(次元) 変更
Traditional Architecture 要求(次元) 変更
Traditional Architecture 要求(次元) 変更
Traditional Architecture 要求(次元) 変更
Traditional Architecture 要求(次元) 変更
要求(次元) 変更 Traditional Architecture
Big ball of mud architecture
Traditional Architecture 要求(次元) 変更
Evolutionary Architecture 要求(次元) 変更
Evolutionary Architecture Pain-Driven 要求(次元) 変更
Evolutionary Architecture Last Responsible Moment 要求(次元) 変更
Evolutionary Architecture Pain-Driven Last Responsible Moment 要求(次元) 変更
複数の次元で継続的かつ漸進的な変更を⽀援する 要求(次元) 変更
Charstaristics Modularity and Coupling Organized Around Buisiness Capabilities Experimentation (Possible
to Hypothesis-Driven Development)
Charstaristics Modularity and Coupling Organized Around Buisiness Capabilities Experimentation (Possible
to Hypothesis-Driven Development)
Charstaristics Modularity and Coupling Organized Around Buisiness Capabilities Experimentation (Possible
to Hypothesis-Driven Development)
Charstaristics Modularity and Coupling Organized Around Buisiness Capabilities Experimentation (Possible
to Hypothesis-Driven Development)
そもそも、なぜ⼿軽に差し替える必要があるかといえば、以下の様な 理由があります。 • 依存している基盤実装(レガシーコード、3rd-party製のライブラ リ)に問題が発覚した時に、利⽤者に影響なく別の基盤実装に差し 替えられるようにする為 • パッと基盤実装を捨てる事ができるのはライブラリ開発者の 精神的負荷を⼤きく軽減します
そもそも、なぜ⼿軽に差し替える必要があるかといえば、以下の様な 理由があります。 • 新しい技術や導⼊したい技術を積極的に導⼊・検証できるように する為 • 利⽤者のスピード感に追いつく必要があります。依存ライブ ラリが⾜を引きずってはいけません
・ Fitness Functions (Ignore) ・ Pain-Driven ・ Last Responsible Moment
Evolutionary Architecture Pain-Driven Last Responsible Moment 要求(次元) 変更
? Fitness Functions (Ignore) ✔ Pain-Driven ✔ Last Responsible Moment
Summary
・Evolutionary Architectureは、第⼀原則として、複数の次元で継 続的かつ漸進的な変更を⽀援する ・第⼀原則から概観できる設計⼿法の特徴は... Fitness Functions ※今回は説明しませんでした Pain-Driven (痛みを⽣みそうなものから) Last
Responsible Moment (最終責任時点の前までに決定) ・Evolutionary Architectureの特徴は... Modularity and Coupling (モジュール化とコンポーネント分離) Organized Around Business Capabilities (ビジネス能⼒に沿った組織化) Experimentation (ビジネスに「実験」の⼒を与える)
https://www.thoughtworks.com/insights/blog/microservices-evolutionary-architecture
https://www.thoughtworks.com/radar/techniques/evolutionary-architecture
https://www.infoq.com/jp/news/2016/04/evolutionary-architectures
https://www.thoughtworks.com/books/building-evolutionary-architectures
End Evolutionary Architecture