๊ฐ์ํ(3)
-
[FreeBSD] Security, Process Credentials and Jail Virtualization
2.5 Security The FreeBSD security model has been developed over 40 years of evolving application needs. The key insight is that security must be part of system design; it cannot be successfully added later. The model addresses many different goals:Support authenticated local and remote access by multiple users, as well as integration with distributed authentication and directory servicesAllow us..
2024.06.25 -
[Paper review] Xen and the Art of Virtualization
Xen and the Art of Virtualization Abstraction Numerous systems have been designed which use virtualization to subdivide the ample resources of a modern computer. Some require specialized hardware, or cannot support commodity operating systems. Some target 100% binary compatibility at the expense of performance. Others sacrifice security or functionality for speed. Few offer resource isolation or..
2024.03.15 -
1. Virtualization
์ต์ ๊ธฐ์ ์ฝ๋กํด์2 1. Virtualization 2023. 09. 08 ๊ธ์์ผ ์ค์ ๋ฌผ๋ฆฌ ๋ฉ๋ชจ๋ฆฌ๋ ์๋๋๊น, ๋ค์ ํ ๋ฒ hypervisor๊ฐ ๊ด๋ฆฌํด์ฃผ๊ฒ ๋๋ค. software๊ฐ ์๋, hardware ์ ์ผ๋ก ์ฒ๋ฆฌํ๋ค ๊ฐ์ ๋จธ์ ์ด ๊ฐ๊ณ ์๋ ๋ฉ๋ชจ๋ฆฌ๋ ์ค์ ๋ฌผ๋ฆฌ ๋ฉ๋ชจ๋ฆฌ๊ฐ ์๋๋ผ, ํ์ดํผ๋ฐ์ด์ ๊ฐ ๊ด๋ฆฌํ๋ ๋ฉ๋ชจ๋ฆฌ ๋ฌผ๋ฆฌ ๋ฉ๋ชจ๋ฆฌ 100G๊ฐ ์ค์ ๋ก ํ ๋น๋์ด ์๋์ง๋, OS๊ฐ ํ์ธํ ๋ฐฉ๋ฒ์ด ์๋ค. ํ์ดํผ๋ฐ์ด์ ๊ฐ ๊ฐ์ถ๊ฑฐ๋ ์์ด๋ ค๋ฉด ์ผ๋ง๋ ์ง ๊ฐ๋ฅํจ (๊ฐ์์ด๊ธฐ ๋๋ฌธ์) ์ค์ ๋ก ๋คํธ์ํฌ ์นด๋๊ฐ ์๋ ๊ฒ์ ์๋๋ฐ, ์๋ ๊ฒ์ฒ๋ผ ์ ๊ณตํ๋ ๊ฒ ๊ฐ์์ virtual ์ค์์น๋ฅผ ๋ง๋ค๊ณ , ์ด๋ฅผ ํตํด ํจํท์ ์ฃผ๊ณ ๋ฐ์ ์ ์์ ๊ฐ์ ๋จธ์ ์ ์ค์ ๋๋ฐ์ด์ค๋ผ๊ณ ์๊ฐํ๊ณ accessํ๋ฉด ๋ฐ๋จ์ hypervisor๊ฐ ๋์ ์ฒ๋ฆฌํด์ฃผ๋ ๊ณผ์ OS..
2023.09.08