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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092
ユーザーには見えない内部品質があります。
品質モデル
ソフトウェアの品質を測定可能な特徴として定義したものが品質特性
です。品質特性を整理分類した品質モデルとしてJIS X 25010（ISO/
IEC 25010:2011）
※3
という規格があります（図 3.2.3）。同モデルで
は、図の中段にある「機能適合性」「性能効率性」などの八つを品質特
性、下段に列挙された「機能完全性」「時間効率性」などを品質副特性と
呼んでいます。
品質特性はavailability（可用性）のようにilityで終わる英単語が多い
ため、「-ility（イリティ）」と呼ばれることもあります。
⹅
図3.2.3
品質モデル（JIS X 25010）
システム／ソフトウェア製品品質
機能適合性
・機能完全性
・機能正確性
・機能適切性
性能効率性
・時間効率性
・資源効率性
・容量満足性
互換性
・共存性
・相互運用性
信頼性
・成熟性
・可用性
・障害許容性
（耐故障性）
・回復性
保守性
・
モジュール
性
・再利用性
・解析性
・修正性
・試験性
移植性
・適応性
・設置性
・置換性
セキュリティ
・機密性
・
インテグリティ
・否認防止性
・責任追跡性
・真正性
使用性
・適切度認識性
・習得性
・運用操作性
・ユーザエラー
防止性
・
ユーザインタ
フェース快美性
・アクセシビリ
ティ
出典： 日本規格協会『日本産業規格 JIS X 25010：2013（ISO/IEC 25010：2011）システ
ム及びソフトウェア製品の品質要求及び評価（ＳＱｕａＲＥ）－システム及びソフト
ウェア品質モデル』 ...
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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.