[๋„คํŠธ์›Œํฌ] Network Layer - Application Layer(1) | HTTP
๐Ÿ–ฅ CS/๋„คํŠธ์›Œํฌ

[๋„คํŠธ์›Œํฌ] Network Layer - Application Layer(1) | HTTP

  • Application Layer
    • HTTP
  • Transport Layer
    • TCP/UDP
  • Network Layer
    • IP
  • Link Layer
    • WIFI, LTE, Ethernet
  • Physical Layer

 

  • ๋ผ์šฐํ„ฐ๋Š” ๋„คํŠธ์›Œํฌ Layer๊นŒ์ง€๋งŒ ์กด์žฌ (Network, Link, Physical)
  • Process์˜ Socket์„ ์ด์šฉํ•˜์—ฌ ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ๋ผ๋ฆฌ ํ†ต์‹ 
    • IP์ฃผ์†Œ, Port๋ฒˆํ˜ธ ์‚ฌ์šฉ

 

HTTP

Hyper Text transfer protocol = Hypertext๋ฅผ ์ „๋‹ฌํ•˜๋Š” ํ”„๋กœํ† ์ฝœ
  • Application Layer์˜ ํ”„๋กœํ† ์ฝœ ์ค‘ ํ•˜๋‚˜
  • HTTP ํŠน์ง•
    • ์ฒ˜์Œ์— TCP๊ฐ€ Connection์„ ๋งบ์œผ๋ฉด ์ดํ›„ HTTP ๋ฉ”์‹œ์ง€๊ฐ€ ๊ตํ™˜
      • ์‹ ๋ขฐ์„ฑ ์žˆ๋Š” ํ†ต์‹  ๊ฐ€๋Šฅ
      • ๋ฉ”์‹œ์ง€ ๊ตํ™˜ ์ „ TCP Connection ์ƒ์„ฑ ํ•„์š”
    • stateless
      • ์ƒ๋Œ€๋ฐฉ์— ๋Œ€ํ•œ ์ด์ „ ์ƒํƒœ๋‚˜ ์š”์ฒญ์„ ๊ธฐ์–ตํ•˜์ง€ ์•Š๊ณ  ๊ทธ ์ˆœ๊ฐ„์˜ ์š”๊ตฌ๋ฅผ ์ฒ˜๋ฆฌํ•˜๊ธฐ ๋•Œ๋ฌธ์— ๊ฐ„๋‹จํ•˜๊ณ  ๋น ๋ฅด๊ฒŒ ๋™์ž‘
  • HTTP Connections
    • Non-persistent HTTP
      • ํ•œ๋ฒˆ์˜ ์—ฐ๊ฒฐ์— 1๊ฐœ์˜ ์ปจํ…์ธ  ์ฒ˜๋ฆฌ
      • ํŒŒ์ผ์ด 10๊ฐœ๋ผ๋ฉด 10๋ฒˆ ์—ฐ๊ฒฐ
    • persistent HTTP
      • ํ•œ ๋ฒˆ ์—ฐ๊ฒฐ ํ›„ ์ด๋ฅผ ์œ ์ง€ํ•˜์—ฌ ์ปจํ…์ธ ๋ฅผ ๊ณ„์†ํ•˜์—ฌ ๊ตํ™˜
      • ํŒŒ์ผ์ด 10๊ฐœ๋ผ๋ฉด 1๋ฒˆ ์—ฐ๊ฒฐ

 

 

 

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