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
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
46
ホストOS型と比較して、ハイパーバイザー型は性能面やセキュリティ
面で優れています（図2-5）。
まず、ハイパーバイザー型は仮想サーバーに割り当てるリソースを柔軟
に調整できるため、ホストOS型よりも高いパフォーマンスを発揮できま
す。
また、ハイパーバイザー型はホストOS型と異なり、仮想サーバーとホ
ストOSを分離するため、仮想サーバー同士の相互干渉を防止できます。
これにより、仮想サーバー間のセキュリティリスクを低減できます。さら
に、ハイパーバイザー型は仮想マシンの起動や停止、移動などを自動化で
きるため、運用管理の効率化にも貢献します。
ハイパーバイザー型仮想化は、多くの場面で利用されています（図2-6）。
例えば、企業のデータセンターでは、ハイパーバイザー型仮想化を利用
して物理サーバーを仮想マシンに分割することで、複数のアプリケーショ
ンを同時に実行できます。これにより、物理サーバーのリソースを最大限
に活用し、運用コストを削減できます。
また、クラウドサービスプロバイダも、ハイパーバイザー型仮想化を利
用して、複数のテナントに対して仮想マシンを提供しています。これによ
り、テナントごとに独立した仮想化環境を提供でき、セキュリティやパフ
ォーマンスの向上につながります。
さらに、開発環境やテスト環境でも、ハイパーバイザー型仮想化を利用
することが多く、開発者やテスターが独立した仮想化環境で作業ができ
ます。これにより、アプリケーションの開発やテストの効率化が図られ
ます。
性能やセキュリテ
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.