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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376
클라우드 네이티브를 위한 데이터 센터 네트워크 구축
해주었다. [표
14
-
1
]은 기억술과 실제 메트릭의 연관 관계를 나타낸다. 최적 경로는 지정된 순
서(최적 경로 계산에 대한 자세한 내용은
RFC
4271
의
9
.
1
절
5
참조 ) 내에서 우수한 메트릭값
을 갖는 것을 말한다. 만약 신규 갱신 경로와 기존 경로 간 메트릭값이 동일하면 다음번 메트릭
을 비교한다.
표
14-1
BGP
최적 경로 메트릭
기억술
BGP
메트릭명
Wise
Weight
Lip
LOCAL
_
PREFERENCE
Lovers
Locally
originated
Apply
AS
_
PATH
Oral
ORIGIN
Medication
MED
Every
eBGP
over
iBGP
Night
Nexthop
IGP
Cost
데이터 센터에서는 위 메트릭 중에서
locally
originated
와
AS
_
PATH
두 가지만 사용한다.
즉, 노드에 로컬인 주소 접두사의 경로가
BGP
를 통해 학습된 경로보다 우선되며, 짧은
AS
_
PATH
길이의 경로가 긴 것보다 우선된다.
AS
_
PATH
길이가 동일한 경로는 동일 비용으로 간주
한다. 실제로 기본
BGP
구현체에서 경로가 동일 비용으로 간주되려면
AS
_
PATH
길이만 같아서
는 안 되고
AS
_
PATH
내의
ASN
들이 반드시 일치해야 한다. 하지만 설정을 통해
AS
_
PATH
길이
로 동일 비용
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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.