July 2024
Beginner to intermediate
272 pages
5h 40m
Japanese
Content preview from アーキテクトの教科書 価値を生むソフトウェアのアーキテクチャ構築
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109
3
●
ユーザーインターフェースから細粒度のサービスへ直接依存するこ
とを防ぎ、隠蔽する
●
細粒度のサービス呼び出しを集約する
後半の二つは、第2章で紹介したデザインパターンの一つである
Facadeパターンを、アーキテクチャレベルに拡張して適用したものと
考えることができます。
⹅
図3.3.3
マイクロサービスアーキテクチャ
ユーザーインターフェース
サービス
API
DB
サービス
API
DB
サービス
API
DB
サービス
API
DB
Column
モジュラーモノリス
マイクロサービスアーキテクチャには多くのメリットがある一方、分散
アーキテクチャに本質的に内在する複雑さや、分散トランザクションの問
題、技術的な難易度の高さなどデメリットもあります。それを理由にモノリ
スを選択することは間違った判断ではありません。モノリスの大きな課題の
一つである保守性の低下は、マイクロサービスアーキテクチャを選択せずと
も設計により解決することができます。つまり、モノリスをまとまった機能
の単位で適切にモジュール分割し、モジュール同士を疎結合な状態に保つよ
うにするのです。この考え方を基本とし、デプロイ単位としては一つであり
ながら、内部構造は独立したモジュール同士が疎結合に連携するアプリケー
ションのことをモジュラーモノリスと呼びます。
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.