May 2024
Intermediate
248 pages
6h 59m
Japanese
Content preview from 図解まるわかり 仮想化のしくみ
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194
システム要件に合わせて最適なクラウドサービスの利用形態を選んでみよう
第10章では、仮想化環境とクラウド環境の利用時の注意ポイントと、
仮想化基盤への引っ越し方法や注意点について説明しました。
仮想化環境利用時に、「ノイジーネイバー」問題とライセンス違反問題
の発生を防ぐために、リソースの監視やライセンス利用条件の事前確認が
必要です。そして、仮想化環境でトラブルが発生した場合に、システムの
特性に合わせて10-2 で紹介したトラブル切り分けの流れをチューニング
して、トラブルシューティングを行うことをお勧めします。
クラウド環境利用時に、利用するサービスの責任範囲、サービスクォー
タ、通信・権限制御、サービスレベルなどを確認する必要があります。具
体的には10-4 ～ 10-7 までの内容を確認してください。
仮想化基盤への引っ越し方法について、リフトをメインに紹介しまし
た。下記にいくつかのシステム要件例を挙げたので、パブリッククラウド
サービスの責任範囲の知識を思い出しながら、どのクラウドサービスの利
用形態が最適かを考えてみましょう。
要件
❶サーバーのOS 設定を自社が管理する
❷
システム開発領域をターゲットにする
❸
クラウドサービスをそのまま利用する
実現方式
IaaS（Infrastructure as a Service）……要件［ ］の実現に最適
PaaS（Platform as a Service）……要件［ ］の実現に最適
SaaS（Software as a Service ...
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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.