ํ”„๋กœํ† ์ฝœ 2
[Network] ์ „์†ก ๊ณ„์ธต ํ”„๋กœํ† ์ฝœ

* ํ”„๋กœ์„ธ์Šค ๋Œ€ ํ”„๋กœ์„ธ์Šค ํ†ต์‹  ์ „์†ก๊ณ„์ธต์€ ํ”„๋กœ์„ธ์Šค ๋Œ€ ํ”„๋กœ์„ธ์Šค ํ†ต์‹  ์ œ๊ณต (ํ”„๋กœ์„ธ์Šค = ๋™์ž‘์ค‘์ธ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ) ์ „์†ก๊ณ„์ธต์—์„œ๋Š” ํฌํŠธ์ฃผ์†Œ (Port Address, Port Number) ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํ”„๋กœ์„ธ์Šค๋ฅผ ๊ตฌ๋ถ„ํ•จ ์ž˜ ์•Œ๋ ค์ง„ ํฌํŠธ(Well-known Port Number) : ํŠน์ • ์„œ๋น„์Šค๋ฅผ ์œ„ํ•œ ์šฉ๋„๋กœ ์˜ˆ์•ฝ๋œ ๋ฒˆํ˜ธ๋กœ์„œ 0~1,023 ์‚ฌ์ด์˜ ์ •์ˆ˜ ๋“ฑ๋ก๋œ ํฌํŠธ(Registered Port) : IANA๊ธฐ๊ด€์— ๋“ฑ๋กํ•ด์„œ ์‚ฌ์šฉํ•˜๋Š” ํฌํŠธ ์ฃผ์†Œ ๋™์  ํฌํŠธ(Dynamic Port) : ํ—ˆ๊ฐ€์—†์ด ์ž„์‹œ ํ˜น์ธ ๊ฐœ์ธ ํฌํŠธ ์ฃผ์†Œ๋กœ ์‚ฌ์šฉ * ํ๋ฆ„์ œ์–ด(Flow Control) ์ •๋ณด ์ƒ์‚ฐ์ž์™€ ์†Œ๋น„์ž๊ฐ„์— ์ •๋ณด ์ƒ์„ฑ์œจ๊ณผ ์†Œ๋น„์œจ์˜ ๊ท ํ˜•์ด ์ค‘์š” -> ๊ท ํ˜•์ด ๋งž์ง€ ์•Š์œผ๋ฉด ์‹œ์Šคํ…œ ํšจ์œจ ์ €ํ•˜ ์ •๋ณด ์ƒ์‚ฐ์ž๋กœ๋ถ€ํ„ฐ ์†Œ๋น„์ž๋กœ ๋ฐฐ๋‹ฌํ•˜๋Š” ๋ฐฉ๋ฒ• ๋ฐ€๊ธฐ(Pu..
software engineering/์ปดํ“จํ„ฐ๋„คํŠธ์›Œํฌ 2023.11.06

[IC] ์ธํ„ฐ๋„ท (Internet)

1. ํ”„๋กœํ† ์ฝœ : ์ปดํ“จํ„ฐ ๊ฐ„์˜ ํ†ต์‹ ์—์„œ ์‹œ์Šคํ…œ์˜ ์ฐจ์ด์— ์˜ํ•ด ์—ฐ๊ฒฐ์ด ๋˜์ง€ ์•Š๋Š” ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒ -> ์ด์ข…์˜ ์‹œ์Šคํ…œ ๊ฐ„์—๋„ ํ†ต์‹ ์ด ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๊ธฐ์œ„ํ•ด ๋งŒ๋“  ์ผ๋ จ์˜ ํ‘œ์ค€, ํ˜‘์•ฝ์„ ํ”„๋กœํ† ์ฝœ์ด๋ผ ํ•จ 2. OSI 7 ๊ณ„์ธต ISO(International Standard Organization) ์—์„œ ๊ทœ์ • ํ†ต์‹ ์˜ ํšจ์œจ์„ฑ์„ ๋†’์ด๊ณ ์ž ์ผ๋ จ์˜ ํ†ต์‹  ๊ณผ์ •์„ 7๊ฐœ์˜ ๊ณ„์ธต์œผ๋กœ ๊ตฌ๋ถ„ ๊ฐ ๋‹จ๊ณ„์˜ ํ”„๋กœํ† ์ฝœ๊ณผ ์„œ๋น„์Šค๋ฅผ ํ‘œ์ค€ํ™”ํ•œ ๋„คํŠธ์›Œํฌ ๋ชจ๋ธ = ์ฐธ์กฐ ๋ชจ๋ธ (Reference model) ์ „ ์„ธ๊ณ„์ ์ธ ํ•ฉ์˜๋ฅผ ํ•„์š”๋กœํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ง„์ฒ™์ด ๋”๋””๋‹ค -> ํ•„์š”์„ฑ์— ์˜ํ•ด ๋งŒ๋“ค์–ด์ง„ TCP/IP ( ๋งํฌ, ๋„คํŠธ์›Œํฌ, ํŠธ๋žœ์ŠคํฌํŠธ, ์‘์šฉ ๊ณ„์ธต) 3. ์ธํ„ฐ๋„ท ์ „ ์„ธ๊ณ„์˜ ์ปดํ“จํ„ฐ๋“ค์ด ํ•˜๋‚˜๋กœ ์—ฐ๊ฒฐ๋˜์–ด ์žˆ๋Š” ๊ฑฐ๋Œ€ํ•œ ๋„คํŠธ์›Œํฌ TCP/IP ํ”„๋กœํ† ์ฝœ์„ ๊ธฐ๋ฐ˜์œผ๋กœ LAN๊ณผ W..
software engineering/์ •๋ณดํ†ต์‹ ๊ฐœ๋ก  2023.10.11
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