May 2022
Beginner to intermediate
756 pages
21h 30m
Korean
book
HTTP 완벽 가이드
by David Gourlry, Brian Totty, Lee Eung Jun, Sang -Il Jeong, Anshu Agarwal, Seilu Reddy, Marjorie Sayre
Content preview from HTTP 완벽 가이드
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486
HTTP
5
부 콘텐츠 발행 및 배포
18.3
안정적인 웹 사이트 만들기
웹 사이트에 장애가 생기는 몇 가지 상황이 있다.
· 서버 다운
· 트래픽 폭증: 갑자기 많은 사람이 특정 뉴스 방송을 보려고 하거나 할인 행사 때
문에 몰려드는 상황이다. 갑작스러운 트래픽 폭증은 웹 서버에 과부하를 주어 느
려지게 하거나 완전히 멈춰버리게 한다.
· 네트워크 장애나 손실
이 절에서는 이런 일반적인 문제를 예측하고 대응하는 몇 가지 방법을 다룬다.
18.3.1
미러링 된 서버 팜
서버 팜은 서로 대신할 수 있고 식별할 수 있게 설정된 웹 서버들의 집합이다. 서버
팜의 서버에 있는 콘텐츠들은 한 곳에 문제가 생기면 다른 한 곳에서 대신 전달할
수 있게 미러링 할 수 있다.
보통, 미러링 된 서버는 계층적인 관계에 있다. 한 서버(원본 콘텐츠를 가지고 있
는)는 ‘콘텐츠의 원본 제작자’ 같이 행동한다. 이 서버를 마스터 원 서버라 부른다.
마스터 원 서버로부터 콘텐츠를 받은 미러링 된 서버는 복제 원 서버라 부른다. 서
버 팜에 배포하는 간단한 방법 하나는, 네트워크 스위치를 사용해서 서버에 분산
요청을 보내는 것이다. 서버에 호스팅 되고 있는 각 웹 사이트의 IP 주소는 스위치
의 IP 주소가 된다.
그림 18-6에 있는 미러링 된 서버 팜에서, 마스터 원 서버는 복제 ...
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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.