๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

๐Ÿ–ฅ/Network1

[Network] OSI 7๊ณ„์ธต, SDU์™€ PDU OSI 7๊ณ„์ธต์ด๋ž€? ๋„คํŠธ์›Œํฌ ํ”„๋กœํ† ์ฝœ์ด ํ†ต์‹ ํ•˜๋Š” ๊ตฌ์กฐ๋ฅผ 7๊ณ„์ธต์œผ๋กœ ๋‚˜๋ˆˆ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ํ†ต์‹ ์ด ์ผ์–ด๋‚˜๋Š” ๊ณผ์ •์„ ๊ณ„์ธต ๋ณ„๋กœ ํŒŒ์•…ํ•˜๊ณ , ํŠน์ • ๊ณ„์ธต์˜ ์žฅ๋น„๋‚˜ ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ๋‹ค๋ฅธ ๊ณ„์ธต๊ณผ ๋ถ„๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด ์ •ํ–ˆ์Šต๋‹ˆ๋‹ค. ํŠน์ • ๊ณ„์ธต์— ๋ฌธ์ œ๊ฐ€ ์ƒ๊ฒผ์„ ๋•Œ ๋‹ค๋ฅธ ๊ณ„์ธต์— ์˜ํ–ฅ์„ ์ฃผ์ง€ ์•Š๊ณ  ์œ ์ง€๋ณด์ˆ˜ํ•˜๊ธฐ ์‰ฝ๋‹ค๋Š” ์ด์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค. Physical Layer(๋ฌผ๋ฆฌ ๊ณ„์ธต), Data Link Layer(๋ฐ์ดํ„ฐ ๋งํฌ ๊ณ„์ธต), Network Layer(๋„คํŠธ์›Œํฌ ๊ณ„์ธต), Transport Layer(์ „์†ก ๊ณ„์ธต), Presentaion Layer(ํ‘œํ˜„ ๊ณ„์ธต), Application Layer(์‘์šฉ ๊ณ„์ธต)์œผ๋กœ ์ด๋ฃจ์–ด์ ธ์žˆ์Šต๋‹ˆ๋‹ค. SDU์™€ PDU PCI(Protocol Control Information)๋ž€? Header์™€ Trailer ํ˜•ํƒœ๋กœ PDU์— .. 2021. 7. 17.

ํ‹ฐ์Šคํ† ๋ฆฌํˆด๋ฐ”