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URI(Uniform Resource Identifier)

  • URI๋Š” URL๊ณผ URN์„ ํฌํ•จ
    • URI๋Š” Locator, Name ๋˜๋Š” ๋‘˜ ๋‹ค ์ถ”๊ฐ€๋กœ ๋ถ„๋ฅ˜ ๊ฐ€๋Šฅ
    • URN์€ ์ž˜ ์‚ฌ์šฉํ•˜์ง€ ์•Š์Œ

URI ๋œป

  • Uniform: ๋ฆฌ์†Œ์Šค ์‹๋ณ„ํ•˜๋Š” ํ†ต์ผ๋œ ๋ฐฉ์‹
  • Resource: ์ž์›, URI๋กœ ์‹๋ณ„ํ•  ์ˆ˜ ์žˆ๋Š” ๋ชจ๋“  ๊ฒƒ(์ œํ•œ ์—†์Œ)
  • Identifier: ๋‹ค๋ฅธ ํ•ญ๋ชฉ๊ณผ ๊ตฌ๋ถ„ํ•˜๋Š”๋ฐ ํ•„์š”ํ•œ ์ •๋ณด

  • URL(Locator): ๋ฆฌ์†Œ์Šค๊ฐ€ ์žˆ๋Š” ์œ„์น˜๋ฅผ ์ง€์ •
  • URN(Name): ๋ฆฌ์†Œ์Šค์— ์ด๋ฆ„์„ ๋ถ€์—ฌ
  • ์œ„์น˜๋Š” ๋ณ€ํ•  ์ˆ˜ ์žˆ์ง€๋งŒ, ์ด๋ฆ„์€ ๋ณ€ํ•˜์ง€ ์•Š์Œ
  • URN ์ด๋ฆ„๋งŒ์œผ๋กœ ์‹ค์ œ ๋ฆฌ์†Œ์Šค๋ฅผ ์ฐพ์„ ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์ด ๋ณดํŽธํ™” ๋˜์ง€ ์•Š์Œ
  • URI์™€ URL๋กœ ๊ธฐ์–ตํ•  ๊ฒƒ

๋ฌธ๋ฒ•

  • scheme://[userinfo@]host[:post][/path][?query][#fragment]
  • https://www.google.com:443/search?q=hello&hi=ko
    • ํ”„๋กœํ† ์ฝœ(https)
    • ํ˜ธ์ŠคํŠธ๋ช…(www.google.com)
    • ํฌํŠธ ๋ฒˆํ˜ธ(443)
    • ํŒจ์Šค(/search)
    • ์ฟผ๋ฆฌ ํŒŒ๋ผ๋ฏธํ„ฐ(q=hello&hi=ko)

Scheme

  • ์ฃผ๋กœ ํ”„๋กœํ† ์ฝœ ์‚ฌ์šฉ
  • ํ”„๋กœํ† ์ฝœ: ์–ด๋–ค ๋ฐฉ์‹์œผ๋กœ ์ž์›์— ์ ‘๊ทผํ•  ๊ฒƒ์ธ๊ฐ€ ํ•˜๋Š” ์•ฝ์† ๊ทœ์น™
    • Ex) http, https, ftp emd
  • http๋Š” 80 ํฌํŠธ, https๋Š” 443 ํฌํŠธ๋ฅผ ์ฃผ๋กœ ์‚ฌ์šฉ, ํฌํŠธ๋Š” ์ƒ๋žต ๊ฐ€๋Šฅ
  • https๋Š” http์— ๋ณด์•ˆ ์ถ”๊ฐ€(HTTP Secure)

Userinfo

  • URL์— ์‚ฌ์šฉ์ž ์ •๋ณด๋ฅผ ํฌํ•จํ•ด์„œ ์ธ์ฆ
  • ๊ฑฐ์˜ ์‚ฌ์šฉํ•˜์ง€ ์•Š์Œ

Host

  • ํ˜ธ์ŠคํŠธ๋ช…
  • ๋„๋ฉ”์ธ๋ช… ๋˜๋Š” IP ์ฃผ๋กœ์Šฌ ์ง์ ‘ ์‚ฌ์šฉ๊ฐ€๋Šฅ

Port

-์ ‘์† ํฌํŠธ -์ผ๋ฐ˜์ ์œผ๋กœ ์ƒ๋žต

Path

  • ๋ฆฌ์†Œ์Šค ๊ฒฝ๋กœ, ๊ณ„์ธต์  ๊ตฌ์กฐ
    • Ex) /home/file1.jpg, /items/iphone11

Query

  • key = value ํ˜•ํƒœ
  • ?๋กœ ์‹œ์ž‘, &์œผ๋กœ ์ถ”๊ฐ€ ๊ฐ€๋Šฅ ?key1=value1&key2=value2
  • query parameter, query string ๋“ฑ์œผ๋กœ ๋ถˆ๋ฆผ
  • ์›น์„œ๋ฒ„์— ์ œ๊ณตํ•˜๋Š” ํŒŒ๋ผ๋ฏธํ„ฐ
  • ๋ฌธ์ž ํ˜•ํƒœ

Fragment

  • html ๋‚ด๋ถ€ ๋ถ๋งˆํฌ ๋“ฑ์— ์‚ฌ์šฉ
  • ์„œ๋ฒ„์— ์ „์†กํ•˜๋Š” ์ •๋ณด ์•„๋‹˜

์›น ๋ธŒ๋ผ์šฐ์ € ์š”์ฒญ ํ๋ฆ„

  1. ์›น ๋ธŒ๋ผ์šฐ์ €๊ฐ€ HTTP ๋ฉ”์‹œ์ง€ ์ƒ์„ฑ
GET /search?q=hello&hi=ko HTTP/1.1
Host: www.google.com
  1. SOCKET ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋ฅผ ํ†ตํ•ด ์ „๋‹ฌ
  • A: TCP/IP ์—ฐ๊ฒฐ(IP, PORT)
  • B: ๋ฐ์ดํ„ฐ ์ „๋‹ฌ
  1. TCP/IP ํŒจํ‚ท ์ƒ์„ฑ, HTTP ๋ฉ”์‹œ์ง€ ํฌํ•จ

  2. ์š”์ฒญ ํŒจํ‚ท ๋„์ฐฉ

  3. ์‘๋‹ต ํŒจํ‚ท ์ „๋‹ฌ

HTTP/1.1 200 OK
Content-Type: text.html;charset=UTF-8
Content-Length: 3423

<html>
  <body>...</body>
</html>
  1. ์‘๋‹ต ํŒจํ‚ท ๋„์ฐฉ ํ›„ ๋ Œ๋”๋ง

๐Ÿ“šReference