Published: 20 May 2024
アプリケーション・ポートフォリオがビジネスや技術のニーズを満たすためには、定期的な見直しと修正が必要である。アプリケーション／ソフトウェア・エンジニアリング・リーダーは、合理化の機会を見極め、優先順位を付けるために、ビジネス、技術、コストの面から各アプリケーションの適合性を評価すべきである。
アプリケーション・ポートフォリオ管理は、ビジネス部門のステークホルダーがアプリケーションの適合性評価に関与せず、ビジネス成果を実現するための視点が欠けている場合、失敗しがちである。
アプリケーション・ポートフォリオには改善の機会が無数にあるが、アプリケーション／ソフトウェア・エンジニアリング・リーダーの時間やリソースは限られている。重要な改善点を見極め、優先順位を付けるには、ビジネスと技術という両方のレンズが必要である。
アプリケーション・ポートフォリオの評価は、アプリケーションのビジネス面と技術面の適合性に関する洞察を提供するが、こうした知見は、実行可能な提案につながらなければ有用性が損なわれる。
アプリケーション／ソフトウェア・エンジニアリング・リーダーは、以下を行う。
評価の対象範囲を定めるとともに、ビジネス部門とIT部門のステークホルダーによるチームを結成することで、アプリケーションの適合性評価に備える。
各アプリケーションについて、ビジネス、技術、コストの面からの適合性を評価する。
ビジネス部門とIT部門のステークホルダーがポートフォリオの適合性を協議し、アプリケーションの改善点を特定し、優先順位を付けるために、TIME (許容 [Tolerate]、投資 [Invest]、移行 [Migrate]、廃棄 [Eliminate]) モデルを使用して、合理化のロードマップを共同で作成する。
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