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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172
HTTP
2
부 HTTP 아키텍처
터셉트 프락시와 명시적인 프락시 모두 죽은 서버의 DNS 분석에 대한 장애 허용
을 지원해야 한다는 것은 중요한데, 왜냐하면 브라우저가 명시적인 프락시를 사
용하도록 설정되어 있는 경우의 장애 허용은 프락시에 달려있기 때문이다.
6.6
메시지 추적
오늘날, 웹 요청이 클라이언트에서 서버로 향하는 도중에 둘 이상의 프락시를 지나
게 되는 것은 드문 일이 아니다(그림 6-19). 예를 들어, 많은 회사들이 보안과 비용
절감을 위해 인터넷 접속 시 캐시 프락시 서버를 사용하며, 많은 대형 ISP들이 성능
개선과 기능 구현을 위해 프락시 캐시를 사용한다. 오늘날 웹 요청의 상당수가 프
락시를 지나간다. 동시에 성능상의 이유로 세계 곳곳에 흩어져 있는 대리 캐시 저
장고에 콘텐츠를 복제해두는 방식이 점점 더 흔해지고 있다.
12
대리 캐시 저장고
ISP 프락시
클라이언트
인터넷
웹 서버
그림
6
-
19
접근 프락시와
CDN
프락시는 두 단계의 프락시 계층을 만든다.
프락시는 여러 벤더에 의해 개발된다. 그들은 서로 다른 기능과 버그 들을 갖고 있
으며 여러 조직에 의해 관리된다.
프락시가 점점 더 흔해지면서, 서로 다른 스위치와 라우터를 넘나드는 IP 패킷의
흐름을 추적하는 것 못지않게 프락시를 넘나드는 메시지의 흐름을 추적하고 문제
점을 찾아내는 ...
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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.