August 2021
Beginner to intermediate
564 pages
12h 2m
Korean
Content preview from 클라우드 네이티브를 위한 데이터 센터 네트워크 구축: 데이터 센터 네트워킹을 위한 아키텍처, 프로토콜, 도구
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544
클라우드 네이티브를 위한 데이터 센터 네트워크 구축
18.7
애플리케이션 네트워크 검증
데이터 센터에서는 애플리케이션이 적절한 서비스인지, 노드와 적합한 연결성을 갖고 있는지가
중요하다. 페이스북은 문서
8
와 코드를 발표해서 자신들의 독자적인
ping
과
traceroute
를 이
용해 서버 간 패킷 지연과 유실을 감지한 뒤 그들의 네트워크가 어떻게 잘 동작하고 있는지 측정
하는 방식을 설명했다. 그리고 이 출력을 활용해서 문제가 발생한 경우에 문제의 원인을 특정한
다. 마이크로소프트도 동일하게 하고 있다.
9
일반적으로 한 랙에서 모든 다른 랙에 있는 한두 대의 서버로 핑을 시도하면 충분하다. 핑을 실
행할 경우 경로
MTU
역시 테스트하는 것을 보장해야 한다.
VXLAN
을 사용하는 경우에는 특
별히 더 그렇게 해야 한다. 핑은 경로
MTU
를 테스트하는 것을 다음과 같은 옵션으로 지원하고
있다.
ping
-
s
<
MTU
>
-
M do
<
ip
_
destination
>
본 예제에서 명령어는 다음과 같다.
ping
-
s 9000
-
M do 10
.
0
.
0
.
253
하지만 베이그런트나 립버트
libvirt
시뮬레이션 환경에서는 기대한 대로 동작하지 않는다. 따라서
여기서는 위 명령어의 결과를 싣지 않았다.
대신 경로
MTU
를 확인하는 적절한 플래그를 사용한
traceroute
예제를 ...
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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.