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๋ฐœํ‘œ๊ฐ€ ๊ณง ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค
2007๋…„ 7์›” 9์ผ ์›”์š”์ผ
๋Œ€์šฐ์ฃผ ์ฐฝ์กฐ์‹ ์˜ ์†Œ๋ฆฌ๋ฅผ ๋“ฃ๋Š” ์‚ฌ๋žŒ์ด ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค
ํ˜น์‹œ ๋ฌธ์ œ๋Š” ์šฐ๋ฆฌ์—๊ฒŒ ์žˆ๋Š”๊ฒƒ์ด ์•„๋‹๊นŒ์š”?
โ€œ ๋นต ์ƒ ? โ€
์ด๊ฑด ๋„๋Œ€์ฒด ๋ฌด์Šจ ๋œป์ธ๊ฑธ๊นŒ์š”?
Interface, And Protocol
์šฐ๋ฆฌ๊ฐ€ ๋Œ€์šฐ์ฃผ ์ฐฝ์กฐ์‹ ์˜ ์†Œ๋ฆฌ๋ฅผ ๋“ฃ๊ธฐ ์œ„ํ•ด ํ•„์š”ํ•œ ๊ฒƒ,
ํ˜น์€ ๊ทธ๋ƒฅ ์ธํ„ฐ๋„ท ์„ธ๊ณ„์˜ ํ‘œ์ค€
๋Œ€ํ™”ํ•  ๋•Œ ํ•„์š”ํ•œ ๊ฐ€์žฅ ๊ธฐ๋ณธ์ ์ธ ์š”์†Œ๋Š”?
๋„ˆ๋ฌด ๋‹น์—ฐํ•œ ์†Œ๋ฆฌ์ง€๋งŒโ€ฆ
์ž…
๋„ˆ๋ฌด ๋‹น์—ฐํ•œ ์†Œ๋ฆฌ์ง€๋งŒโ€ฆ
์ž… ๊ท€
๋„ˆ๋ฌด ๋‹น์—ฐํ•œ ์†Œ๋ฆฌ์ง€๋งŒโ€ฆ
Inter- : 1. [๋™์‚ฌ, ๋ช…์‚ฌ, ํ˜•์šฉ์‚ฌ, ๋ถ€์‚ฌ์—์„œ]
โ€˜โ€ฆ์‚ฌ์ด์˜โ€™, โ€˜์ƒํ˜ธ๊ฐ„์˜โ€™๋ผ๋Š” ๋œป์„ ๋‚˜ํƒ€๋ƒ„
Face : 3. [๋™์‚ฌ] โ€ฆ์„ ๋งˆ์ฃผ๋ณด๋‹ค(ํ–ฅํ•˜๋‹ค)
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
User
Interface
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
User
Interface
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
User
Interface
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
User
Interface
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
User
Interface
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
์—ฌ๊ธฐ์„œ ํ€ด์ฆˆ!
์ด์‚ฌ๋‹˜์ด ํ๋“œ๋ฏธ๋ผ ํ•˜๋Š”
HDMI๋Š” ๋ฌด์—‡์˜ ์•ฝ์ž์ผ๊นŒ์š”?
๋‚˜?
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
What is Interface?
์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
- Interface -
โ€ข ์„œ๋กœ ์ด์งˆ์ ์ธ ๋‘ ๋Œ€์ƒ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
โ€ข ์ฒ˜๋ฆฌ๋ฐฉ์‹์ด ์„œ๋กœ ๋‹ค๋ฅธ ๋‘ ๋Œ€์ƒ์ด ์„œ๋กœ์˜
์ •๋ณด๋ฅผ ์ˆ˜์šฉํ•  ์ˆ˜ ์žˆ๋„๋ก ๋งค๊ฐœ, ๋ฐ ๋ณ€ํ™˜
๊ธฐ๋Šฅ์„ ์ˆ˜ํ–‰
โ€ข ๋ฌผ๋ฆฌ์ , ์†Œํ”„ํŠธ์›จ์–ด์ ์ธ ๊ฒƒ์„ ๋ชจ๋‘ ํฌ๊ด„
โ€œ ๋นต ์ƒ ! ๊นจ ๋ผ ๊นŒ ๋ž‘ ? โ€
โ€œ ๋นต ์ƒ ! ๊นจ ๋ผ ๊นŒ ๋ž‘ ? โ€
= ์ธ๊ฐ„๋“ค์•„! ๋ฌด์—‡์ด ์•Œ๊ณ ์‹ถ๋Š๋ƒ?
ฮ™ฯƒฯ‡ฯ…ฯฯ‰ฯ‚
ฮตฯƒฯ„ฮนฮฝ ฯŒ
ฮฑฮฝฮธฯฯ‰ฯ€
๋ฐœํ‘œ๋Š”!
ํ•œ๊ตญ๋ง๊ณผ
์˜์–ด๋กœ๋งŒ!
๊ทœ์น™์ด ํ•„์š”ํ•œ ์ˆœ๊ฐ„
ํ”„๋กœํ† ์ฝœ ์„ค๋ช…
HTTP
(HyperText Transfer
Protocol)
- www ์ƒ์—์„œ ์ •๋ณด๋ฅผ ์ฃผ๊ณ  ๋ฐ›์„ ์ˆ˜ ์žˆ๋Š” ํ”„๋กœํ† ์ฝœ
- ์ฃผ๋กœ HTML๋ฌธ์„œ๋ฅผ ์ฃผ๊ณ  ๋ฐ›๋Š” ๋ฐ์— ์“ฐ์ž„
- TCP์™€ UDP๋ฅผ ์‚ฌ์šฉํ•˜๋ฉฐ, 80๋ฒˆ ํฌํŠธ๋ฅผ ์‚ฌ์šฉ
- ํด๋ผ์ด์–ธํŠธ์™€ ์„œ๋ฒ„ ์‚ฌ์ด์— ์ด๋ฃจ์–ด์ง€๋Š” ์š”์ฒญ/์‘๋‹ต(request/response) ํ”„๋กœํ† ์ฝœ
SMTP
(Simple Mail Transfer
Protocol)
- ์ธํ„ฐ๋„ท์—์„œ ์ด๋ฉ”์ผ์„ ๋ณด๋‚ด๊ณ  ๋ฐ›๊ธฐ ์œ„ํ•ด ์ด์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ, TCP ํฌํŠธ๋ฒˆํ˜ธ 25๋ฒˆ ์‚ฌ์šฉ
- ์ƒ๋Œ€์„œ๋ฒ„๋ฅผ ์ง€์‹œํ•˜๊ธฐ ์œ„ํ•ด์„œ DNS์˜ MX๋ ˆ์ฝ”๋“œ๊ฐ€ ์‚ฌ์šฉ๋จ, RFC2821์— ๋”ฐ๋ผ ๊ทœ์ •๋จ
- ํ…์ŠคํŠธ ๊ธฐ๋ฐ˜์˜ ํ”„๋กœํ† ์ฝœ๋กœ์„œ ์š”๊ตฌ/์‘๋‹ต ๋ฉ”์‹œ์ง€ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๋ชจ๋“  ๋ฌธ์ž๊ฐ€ 7bit ASCII๋กœ ๋˜์–ด ์žˆ์–ด์•ผ ํ•จ (8bit ์ด์ƒ์˜ ์ฝ”๋“œ๋ฅผ ์‚ฌ
์šฉํ•˜๋Š” ํŒŒ์ผ๊ณผ ๋ฐ”์ด๋„ˆ๋ฆฌ๋Š” ๋งˆ์ž„(MIME)๋ฐฉ์‹์œผ๋กœ 7bit๋กœ ๋ณ€ํ™˜๋˜์–ด ์ „๋‹ฌ)
SNMP
(Simple Network
Management Protocol)
- ๋„คํŠธ์›Œํฌ ์žฅ๋น„๋ฅผ ๊ด€๋ฆฌ ๊ฐ์‹œํ•˜๊ธฐ ์œ„ํ•œ ๋ชฉ์ ์œผ๋กœ TCP/IP ์ƒ์— ์ •์˜๋œ ์‘์šฉ ๊ณ„์ธต ํ‘œ์ค€ ํ”„๋กœํ† ์ฝœ
- ๋„คํŠธ์›Œํฌ ๊ด€๋ฆฌ์ž๊ฐ€ ๋„คํŠธ์›Œํฌ ์„ฑ๋Šฅ์„ ๊ด€๋ฆฌํ•˜๊ณ  ๋„คํŠธ์›Œํฌ ๋ฌธ์ œ์ ์„ ์ฐพ์•„ ์ˆ˜์ •ํ•˜๋Š”๋ฐ ๋„์›€์„ ์คŒ
- SNMP๋ฅผ ์ง€์›ํ•˜๋Š” ์„œ๋ฒ„์— ๊ด€๋ฆฌ์ž๊ฐ€ ์งˆ์˜๋ฅผ ํ•ด ์ž๋ฃŒ๋ฅผ ๋ฐ›์•„๊ฐˆ ์ˆ˜ ์žˆ๊ณ , ๋ฐ˜๋Œ€๋กœ ์–ด๋–ค ๊ฐ’์€ ์„ค์ •์„ ์š”์ฒญํ•  ์ˆ˜๋„ ์žˆ์Œ.
FTP
(File transfer protocol)
- ์ปดํ“จํ„ฐ ๊ฐ„ ํŒŒ์ผ์„ ์ „์†กํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ
- ์‚ฌ์šฉ์ž์ธ์ฆ, ๋ฐ์ดํ„ฐ์˜ ์ „ํ™˜, ๋””๋ ‰ํ„ฐ๋ฆฌ ๊ฒ€์ƒ‰ ๋“ฑ๊ณผ ๊ฐ™์€ ๋งŽ์€ ๊ธฐ๋Šฅ ๋ฐ ์„ ํƒ์‚ฌํ•ญ์„ ์ œ๊ณต
- ํด๋ผ์ด์–ธํŠธ/์„œ๋ฒ„ ๊ด€๊ณ„๋ฅผ ์ด๋ฃจ๋ฉฐ ๋™์ž‘ํ•จ, ํ‘œ์ค€ RFC959์— ๋”ฐ๋ผ ๊ทœ์ •๋จ
- ๋ฐ์ดํ„ฐ ์ „๋‹ฌ : 20๋ฒˆํฌํŠธ, ์ œ์–ด์ •๋ณด์ „๋‹ฌ : 21๋ฒˆํฌํŠธ
TELNET
- ์ธํ„ฐ๋„ท์ด๋‚˜ ๋กœ์ปฌ ์˜์—ญ ๋„คํŠธ์›Œํฌ ์—ฐ๊ฒฐ์— ์“ฐ์ด๋Š” ๋„คํŠธ์›Œํฌ ํ”„๋กœํ† ์ฝœ, IETF STD 8๋กœ ํ‘œ์ค€ํ™”
- ๋ณด์•ˆ๋ฌธ์ œ๋กœ ์‚ฌ์šฉ์ด ๊ฐ์†Œํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์›๊ฒฉ์ œ์–ด๋ฅผ ์œ„ํ•ด SSH๋กœ ๋Œ€์ฒด๋˜๊ธฐ๋„ ํ•จ
IMAP
(Internet Message
Access Protocol)
- ์›๊ฒฉํŒŒ์ผ ์„œ๋ฒ„์™€ ์œ ์‚ฌํ•˜๊ฒŒ ์ž‘๋™, POP3์™€ ๋‹ฌ๋ฆฌ ๋ฉ”์ผ์„ ๋ฐ›์•„์˜ฌ ๋•Œ ์„œ๋ฒ„์—์„œ ๋ฉ”์ผ์„ ์‚ญ์ œํ•˜์ง€ ์•Š๊ณ  ๋ณด๊ด€ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ
- ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ ํ™˜๊ฒฝ์—์„œ ํ•ญ์ƒ ๊ฐ™์€ ๋ฉ”์ผ ๋‚ด์šฉ์„ ๋ฉ”์ผ ์„œ๋ฒ„๋กœ๋ถ€ํ„ฐ ๋ฐ›์•„์˜ฌ ์ˆ˜ ์žˆ๋Š” ์žฅ์ ์ด ์žˆ์Œ
- POP3์— ๋น„ํ•ด ๋ฉ”์ผ์„œ๋ฒ„์™€์˜ ํ†ต์‹  ํŠธ๋ž˜ํ”ฝ์ด ๋†’์€ ๋‹จ์ ์„ ๊ฐ€์ง
IRC
(Internet Relay Chat)
- ์ธํ„ฐ๋„ท์œผ๋กœ ์‹ค์‹œ๊ฐ„ ๋Œ€ํ™”๋ฅผ ๋‚˜๋ˆŒ ์ˆ˜ ์žˆ๋Š” ํ”„๋กœํ† ์ฝœ
- ๋™์‹œ์— ๋‹ค์ค‘ ๋Œ€ํ™”๊ฐ€ ๊ฐ€๋Šฅํ•œ ์ฑ„ํŒ… ํ”„๋กœํ† ์ฝœ
- RFC2810~2813์ด ์ฃผ๋กœ ์‚ฌ์šฉ๋˜๋ฉฐ, TCP 6667๊ณผ 6668 ํฌํŠธ ์‚ฌ์šฉ
SIP
(Session Initiation
Protocol)
- ์ธํ„ฐ๋„ท ์ƒ์—์„œ ํ†ต์‹ ํ•˜๊ณ ์ž ํ•˜๋Š” ์ง€๋Šฅํ˜• ๋‹จ๋ง(์ „ํ™”, ์ธํ„ฐ๋„ท ์ฝ˜ํผ๋Ÿฐ์Šค, ์ธ์Šคํ„ดํŠธ ๋ฉ”์‹ ์ € ๋“ฑ)๋“ค์ด ์„œ๋กœ๋ฅผ ์‹๋ณ„ํ•˜์—ฌ ๊ทธ ์œ„์น˜๋ฅผ ์ฐพ๊ณ ,
๊ทธ๋“ค ์ƒํ˜ธ ๊ฐ„์— ๋ฉ€๋ฆฌ๋ฏธ๋””์–ด ํ†ต์‹  ์„ธ์…˜์„ ์ƒ์„ฑํ•˜๊ฑฐ๋‚˜ ์‚ญ์ œ ๋˜๋Š” ๋ณ€๊ฒฝํ•˜๊ธฐ ์œ„ํ•œ ์ ˆ์ฐจ๋ฅผ ๋ช…์‹œํ•œ ์‹œ๊ทธ๋„๋ง ํ”„๋กœํ† ์ฝœ
- HTTP์™€ SMTP์˜ ๋งŽ์€ ๋ถ€๋ถ„ ๊ทธ๋Œ€๋กœ ์‚ฌ์šฉํ•˜์—ฌ ๊ฐœ๋ฐœ๋œ ํ…์ŠคํŠธ ๊ธฐ๋ฐ˜์ด๋ฏ€๋กœ ๊ตฌํ˜„์ด ์šฉ์ด ํ•˜๊ณ , ์œ ์—ฐ์„ฑ๊ณผ ํ™•์žฅ์„ฑ์ด ์žˆ์Œ.
POP3(Post O
ffi
ce
Protocol Version 3)
- ๋ฉ€๋ฆฌ ๋–จ์–ด์ ธ์žˆ๋Š” ๋ฉ”์ผ์„œ๋ฒ„์— ์ง€์ •๋œ ์‚ฌ์šฉ์žID๋กœ ์ ‘์†ํ•ด์„œ, ๋ฉ”์ผ๋ฐ•์Šค ๋‚ด์— ๋„์ฐฉํ•œ ๋ฉ”์ผ์„ ์ž์‹ (ํด๋ผ์ด์–ธํŠธ)์—๊ฒŒ ๊ฐ€์ ธ์˜ค๊ธฐ ์œ„ํ•ด
์‚ฌ์šฉ๋˜๋Š” ๋น„๊ต์  ๊ฐ„๋‹จํ•œ ํ”„๋กœํ† ์ฝœ
- RFC1939์— ์ •์˜๋˜์–ด ์žˆ์Œ.
SSH
(Secure Shell)
- ๋„คํŠธ์›Œํฌ ์ƒ์˜ ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ์— ๋กœ๊ทธ์ธํ•˜๊ฑฐ๋‚˜ ์›๊ฒฉ ์‹œ์Šคํ…œ์—์„œ ๋ช…๋ น์„ ์‹คํ–‰ํ•˜๊ณ  ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์œผ๋กœ ํŒŒ์ผ์„ ๋ณต์‚ฌํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด ์ฃผ
๋Š” ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ๋˜๋Š” ๊ทธ ํ”„๋กœํ† ์ฝœ
- ๊ธฐ์กด rsh, rlogin, ํ…”๋„ท์„ ๋Œ€์ฒดํ•˜๊ธฐ ์œ„ํ•ด ์„ค๊ณ„๋จ
- ๊ฐ•๋ ฅํ•œ ์ธ์ฆ๋ฐฉ๋ฒ• ์ œ๊ณต ๋ฐ ์•ˆ์ •์„ฑ์ด ์šฐ์ˆ˜ํ•จ, 22๋ฒˆ ํฌํŠธ ์‚ฌ์šฉ
UUCP
(Unix to Unix Copy)
- ์›๊ฒฉ ๋ช…๋ น์‹คํ–‰, ํŒŒ์ผ ์ „์†ก, ์ด๋ฉ”์ผ, ์ปดํ“จํ„ฐ๊ฐ„ ๋„คํŠธ๋‰ด์Šค ๋“ฑ์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๋Š” ์ปดํ“จํ„ฐ ํ”„๋กœ๊ทธ๋žจ๊ณผ ํ”„๋กœํ† ์ฝœ ์Šค์œ„ํŠธ ๋˜๋Š” ์„ธํŠธ๋ฅผ ๊ฐ€
๋ฆฌํ‚ด
DNS
(Domain Name System)
- ํ˜ธ์ŠคํŠธ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ๋ถ„์‚ฐ์‹œ์ผœ์„œ ๊ด€๋ฆฌํ•˜๋Š” ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
- IP์ฃผ์†Œ์™€ Host์ด๋ฆ„์ด ์„œ๋กœ ์—ฐ๊ฒฐ๋˜์–ด ๊ตฌ์กฐํ™”๋œ ์—ญ ํŠธ๋ฆฌ๊ตฌ์กฐ๋ฅผ ๊ฐ–๋Š” ๊ณ„์ธต์ ์ด๊ณ , ๋ถ„์‚ฐ(Distributed)๋œ, ํด๋ผ์ด์–ธํŠธ/์„œ๋ฒ„ ๊ตฌ์กฐ์˜
๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์‹œ์Šคํ…œ์„ ๋งํ•จ.
ํ”„๋กœํ† ์ฝœ ์„ค๋ช…
XDR
(External Data
Representation)
- ํ•˜๋“œ์›จ์–ด ๋…๋ฆฝ์ ์œผ๋กœ ๋ฐ์ดํ„ฐ ์„œ์ˆ ๊ณผ ๊ธฐํ˜ธํ™”๋ฅผ ํ•˜๊ธฐ ์œ„ํ•œ ํ‘œ์ค€์œผ๋กœ์„œ, ์›๊ฒฉ์ ˆ์ฐจ ํ˜ธ์ถœ ์‹œ์Šคํ…œ์—์„œ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด ์ฌ๋งˆ์ดํฌ๋กœ์‹œ์Šค
ํ…œ์ฆˆ๊ฐ€ ๊ฐœ๋ฐœํ•˜์˜€์Œ.
- ์„œ๋กœ ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ ๊ตฌ์กฐ๊ฐ„์— ๋ฐ์ดํ„ฐ๋ฅผ ์ „์†กํ•˜๋Š”๋ฐ ์œ ์šฉํ•จ
- X.409๋‚˜ ISO์˜ ASN๋“ฑ๊ณผ ๋‹ฌ๋ฆฌ ๋ฌต์‹œ์ ์ธ ํ˜•์‹์„ ์‚ฌ์šฉํ•จ
SSL
(Secure Socket Layer)
- ๋„ท์Šค์ผ€์ดํ”„์‚ฌ์—์„œ ์ „์ž์ƒ๊ฑฐ๋ž˜ ๋“ฑ์˜ ๋ณด์•ˆ์„ ์œ„ํ•ด ๊ฐœ๋ฐœํ•˜์˜€์Œ.
- TLS(Transport Layer Security)๋ผ๋Š” ์ด๋ฆ„์œผ๋กœ ํ‘œ์ค€ํ™”๋˜์—ˆ์Œ.
- ๋„คํŠธ์›Œํฌ ๋ ˆ์ด์–ด์˜ ์•”ํ˜ธํ™” ๋ฐฉ์‹์ด๊ธฐ ๋•Œ๋ฌธ์— HTTP ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ, NNTP, FTP๋“ฑ์—๋„ ์‚ฌ์šฉ
- ์ธ์ฆ, ์•”ํ˜ธํ™”, ๋ฌด๊ฒฐ์„ฑ ๋ณด์žฅ
MPEG
(Moving Picture Experts
Group)
- ์ •์ง€๋œ ํ™”์ƒ์„ ์••์ถ•ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๊ณ ์•ˆํ•œ JPEG์™€๋Š” ๋‹ฌ๋ฆฌ, ์‹œ๊ฐ„์— ๋”ฐ๋ผ ์—ฐ์†์ ์œผ๋กœ ๋ณ€ํ™”ํ•˜๋Š” ๋™์˜์ƒ ์••์ถ•๊ณผ ์ฝ”๋“œ ํ‘œํ˜„์„ ํ†ตํ•ด ์ •
๋ณด์˜ ์ „์†ก์ด ์ด๋ฃจ์–ด์งˆ ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์„ ์—ฐ๊ตฌ
- ์˜์ƒ์••์ถ•๊ธฐ์ˆ ์— ๋Œ€ํ•œ ํ‘œ์ค€์„ ์ •๋ฆฝํ•˜๋ฉด ๋ฐ˜๋„์ฒด ์—…์ฒด์—์„œ ์ด๋“ค ํ‘œ์ค€์„ ์ง€์›ํ•˜๋Š” ์˜์ƒ ์••์ถ•์นฉ์„ ๊ฐœ๋ฐœ
ASCII
(American Standard
Code for Information
Interchange)
- ์˜๋ฌธ ์•ŒํŒŒ๋ฒณ์„ ์‚ฌ์šฉํ•˜๋Š” ๋Œ€ํ‘œ์ ์ธ ๋ฌธ์ž ์ธ์ฝ”๋”ฉ
- ์ปดํ“จํ„ฐ์™€ ํ†ต์‹ ์žฅ๋น„๋ฅผ ๋น„๋กฏํ•œ ๋ฌธ์ž๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋งŽ์€ ์žฅ์น˜์—์„œ ์‚ฌ์šฉ๋˜๋ฉฐ, ๋Œ€๋ถ€๋ถ„์˜ ๋ฌธ์ž ์ธ์ฝ”๋”ฉ์ด ์•„์Šคํ‚ค์— ๊ธฐ๋ฐ˜ํ•จ
- ์•„์Šคํ‚ค๋Š” 7๋น„ํŠธ ์ธ์ฝ”๋”ฉ์œผ๋กœ, 33๊ฐœ์˜ ์ถœ๋ ฅ ๋ถˆ๊ฐ€๋Šฅํ•œ ์ œ์–ด ๋ฌธ์ž๋“ค๊ณผ ๊ณต๋ฐฑ์„ ๋น„๋กฏํ•œ 95๊ฐœ์˜ ์ถœ๋ ฅ ๊ฐ€๋Šฅํ•œ ๋ฌธ์ž๋“ค๋กœ ์ด๋ฃจ์–ด์ง
ํ”„๋กœํ† ์ฝœ ์„ค๋ช…
NetBIOS
- ๋„คํŠธ์›Œํฌ์˜ ๊ธฐ๋ณธ์ ์ธ ์ž…์ถœ๋ ฅ์„ ์ •์˜ํ•œ ๊ทœ์•ฝ
- IBM์˜ PC-Networks, ๋งˆ์ดํฌ๋กœ์†Œํ”„ํŠธ์‚ฌ์˜ MS-Networks LAN ๋งค๋‹ˆ์ € ๋“ฑ์—์„œ ์‚ฌ์šฉํ•จ
RPC
(Remote Procedure Call)
- Windows ์šด์˜ ์ฒด์ œ์—์„œ ์‚ฌ์šฉํ•˜๋Š” ์›๊ฒฉํ”„๋กœ์‹œ์ € ํ˜ธ์ถœ ํ”„๋กœํ† ์ฝœ
- RPC๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ํŠน์ • ์ปดํ“จํ„ฐ์—์„œ ์‹คํ–‰๋˜๋Š” ํ”„๋กœ๊ทธ๋žจ์—์„œ ์›๊ฒฉ ์‹œ์Šคํ…œ์˜ ์ฝ”๋“œ๋ฅผ ์™„๋ฒฝํ•˜๊ฒŒ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ํ”„๋กœ์„ธ
์Šค๊ฐ„ ํ†ต์‹ (IPC) ๋ฉ”์ปค๋‹ˆ์ฆ˜์„ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ์Œ.
Winsock
(Windows Socket)
- ์˜ˆ์ „๋ถ€ํ„ฐ ์œ ๋‹‰์Šค ๋“ฑ์—์„œ TCP/IP ํ†ต์‹ ์‹œ ์‚ฌ์šฉํ•˜๋Š” Socket์„ Windows์—์„œ ๊ทธ๋Œ€๋กœ ๊ตฌํ˜„ํ•œ ๊ฒƒ.
ํ”„๋กœํ† ์ฝœ ์„ค๋ช…
TCP
(Transmission control
Protocol)
- ์ „์†ก์ œ์–ดํ”„๋กœํ† ์ฝœ, ๋„คํŠธ์›Œํฌ์˜ ์ •๋ณด์ „๋‹ฌ์„ ํ†ต์ œํ•˜๋Š” ํ”„๋กœํ† ์ฝœ
- ์ธํ„ฐ๋„ท์„ ์ด๋ฃจ๋Š” ํ•ต์‹ฌ ํ”„๋กœํ† ์ฝœ์˜ ํ•˜๋‚˜๋กœ์„œ IETF์˜ RFC793์— ๊ธฐ์ˆ ๋˜์–ด ์žˆ์Œ
- TCP๋Š” IP์œ„์—์„œ ๋™์ž‘ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ๋กœ ํ”ํžˆ TCP/IP๋กœ ํ‘œ๊ธฐํ•จ
- ํŒจํ‚ท์˜ ๊ตํ™˜์„ ๊ทผ๊ฐ„์œผ๋กœ ํ•˜๋Š” ์ธํ„ฐ๋„ท ํ”„๋กœํ† ์ฝœ(IP)์„ ๊ธฐ๋ฐ˜์œผ๋กœ ์ž‘๋™ํ•จ.
UDP
(User Datagram Protocol)
- ์‹ ๋ขฐ์„ฑ์ด ๋‚ฎ์€ ๋ฐ์ดํ„ฐ๊ทธ๋žจ ํ”„๋กœํ† ์ฝœ๋กœ์จ ์™„์ „์„ฑ์„ ๋ณด์ฆํ•˜์ง€ ์•Š์œผ๋‚˜, ์‘์šฉ์ด๋‚˜ ๋„คํŠธ์›Œํฌ ํ™˜๊ฒฝ์—์„œ ๊ฐ€์ƒํšŒ์„ ์„ ๊ตณ์ด ํ™•๋ฆฝํ• 
ํ•„์š”๊ฐ€ ์—†์–ด์„œ ์œ ์—ฐํ•˜๊ณ  ํšจ์œจ์ ์ธ ๋ฐ์ดํ„ฐ ์ „์†ก์— ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ
- ๋น„์—ฐ๊ฒฐ์„ฑ์ด๊ณ  ์‹ ๋ขฐ์„ฑ์ด ์—†์œผ๋ฉฐ, ์ˆœ์„œํ™”๋˜์ง€ ์•Š์€ Datagram ์„œ๋น„์Šค ์ œ๊ณต
RTP
(Real-Time Transport
Protocol)
- ์ธํ„ฐ๋„ท์ƒ์—์„œ ๋‹ค์ˆ˜๊ฐ€ ์ข…๋‹จ๊ฐ„์— ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋น„๋””์˜ค๋‚˜ ์˜ค๋””์˜ค ํŒจํ‚ท์„ ์ „์†กํ•˜๊ธฐ ์œ„ํ•ด(์˜์ƒํšŒ์˜ ๋“ฑ) ํ‘œ์ค€ํ™”๋œ ํ”„๋กœํ† ์ฝœ์„ ๋ง
ํ•จ.
- ์‹ ๋ขฐ์„ฑ์€ ์—†์œผ๋‚˜ ๋น ๋ฅด๊ฒŒ ๋ฐ์ดํ„ฐ๋ฅผ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๋Š” UDP๋ผ๋Š” ์ˆ˜์†ก ํ”„๋กœํ† ์ฝœ ์œ„์—์„œ ์‹คํ–‰๋˜๋ฉฐ ์ฃผ๋กœ ์‹ค์‹œ๊ฐ„ ์„œ๋น„์Šค๋ฅผ ์ œ๊ณตํ•จ
ํ”„๋กœํ† ์ฝœ ์„ค๋ช…
IP
(Internet Protocol)
- ์†ก์‹  ํ˜ธ์ŠคํŠธ์™€ ์ˆ˜์‹  ํ˜ธ์ŠคํŠธ๊ฐ€ ํŒจํ‚ท ๊ตํ™˜ ๋„คํŠธ์›Œํฌ์—์„œ ์ •๋ณด๋ฅผ ์ฃผ๊ณ ๋ฐ›๋Š” ๋ฐ ์‚ฌ์šฉํ•˜๋Š” ์ •๋ณด ์œ„์ฃผ์˜ ๊ทœ์•ฝ
- OSI ๋„คํŠธ์›Œํฌ ๊ณ„์ธต์—์„œ ํ˜ธ์ŠคํŠธ์˜ ์ฃผ์†Œ์ง€์ •๊ณผ ํŒจํ‚ท ๋ถ„ํ•  ๋ฐ ์กฐ๋ฆฝ ๊ธฐ๋Šฅ์„ ๋‹ด๋‹นํ•จ.
- ๋น„์‹ ๋ขฐ์„ฑ๊ณผ๋น„์—ฐ๊ฒฐ์„ฑ์ด ํŠน์ง•
ICMP
(Internet Control Message
Protocol)
- TCP/IP์—์„œ IP ํŒจํ‚ท์„ ์ฒ˜๋ฆฌํ•  ๋•Œ ๋ฐœ์ƒ๋˜๋Š” ๋ฌธ์ œ๋ฅผ ์•Œ๋ฆฌ๊ฑฐ๋‚˜, ์ง„๋‹จ ๋“ฑ๊ณผ ๊ฐ™์ด IP๊ณ„์ธต์—์„œ ํ•„์š”ํ•œ ๊ธฐํƒ€ ๊ธฐ๋Šฅ๋“ค์„ ์ˆ˜ํ–‰ํ•˜๊ธฐ
์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ๋กœ IP์™€ ํ•˜๋‚˜์˜ ์Œ์„ ์ด๋ฃจ๋ฉฐ ๋™์ž‘ํ•จ
- ๋„คํŠธ์›Œํฌ ์˜ค๋ฅ˜์˜ ๋ณด๊ณ  (์—๋Ÿฌ๋ฉ”์„ธ์ง€)
- ๋„คํŠธ์›Œํฌ ์ƒํƒœ์กฐ์‚ฌ๋ฅผ ์œ„ํ•œ ์งˆ์˜ ์š”์ฒญ ๋ฐ ์‘๋‹ต (์งˆ์˜๋ฉ”์„ธ์ง€)
IGMP
(Internet
Group
Management Protocol)
- IP ๋ฉ€ํ‹ฐ์บ์ŠคํŠธ๋ฅผ ์‹คํ˜„ํ•˜๊ธฐ ์œ„ํ•œ ํ†ต์‹  ํ”„๋กœํ† ์ฝœ
- RFC 1112์— ๊ทœ์ •
- ๊ตฌ๋‚ด ์ •๋ณด ํ†ต์‹ ๋ง(LAN)์ƒ์—์„œ ๋ผ์šฐํ„ฐ๊ฐ€ ๋ฉ€ํ‹ฐ์บ์ŠคํŠธ ํ†ต์‹  ๊ธฐ๋Šฅ์„ ๊ตฌ๋น„ํ•œ ๊ฐœ์ธ์šฉ ์ปดํ“จํ„ฐ(PC)์— ๋Œ€ํ•ด ๋ฉ€ํ‹ฐ์บ์ŠคํŠธ ํŒจํ‚ท์„ ๋ถ„
๋ฐฐํ•˜๋Š” ๊ฒฝ์šฐ์— ์‚ฌ์šฉ๋จ.
IPSec
(Internet Protocol Security
Protocol)
- ๋„คํŠธ์›Œํฌ ๊ณ„์ธต์ƒ์—์„œ IPํŒจํ‚ท ๋‹จ์œ„๋กœ ์ธ์ฆ ๋ฐ ์•”ํ˜ธํ™”๋ฅผ ํ•˜๋Š” ๊ธฐ์ˆ ์„ ๋งํ•˜๋ฉฐ, ์ธํ„ฐ๋„ท ๊ฒฝ์œ  ๊ตฌ๊ฐ„์— ์ผ์ข…์˜ ๋ณด์•ˆ ํ†ต๋กœ์ธ ํ„ฐ๋„๋ง
์„ ํ˜•์„ฑํ•ด ์ค„ ์ˆ˜ ์žˆ์Œ.
- ๋ณด์•ˆํ”„๋กœํ† ์ฝœ๊ณผ ํ‚ค ๊ด€๋ฆฌ ํ”„๋กœํ† ์ฝœ๋กœ ๋ณต์ˆ˜์˜ ํ”„๋กœํ† ์ฝœ๋กœ ๊ตฌ์„ฑํ•˜์—ฌ ๋ณด์•ˆ์—ฐํ•ฉ(Security Association)์ด๋ผ๊ณ  ํ•จ.
ARP
(Address Resolution
Protocol)
- ๋„คํฌ์›Œํฌ์ƒ์—์„œ IP ์ฃผ์†Œ๋ฅผ ๋ฌผ๋ฆฌ์  ๋„คํŠธ์›Œํฌ ์ฃผ์†Œ๋กœ ๋Œ€์‘์‹œํ‚ค๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ
- ๋ฌผ๋ฆฌ์  ๋„คํŠธ์›Œํฌ ์ฃผ์†Œ๋Š” ์ด๋”๋„ท ๋˜๋Š” ํ† ํฐ๋ง์˜ 48๋น„ํŠธ ๋„คํŠธ์›Œํฌ ๊ฐ€๋“œ ์ฃผ์†Œ๋ฅผ ๋œปํ•จ.
RIP
(Router Interchange
Protocol)
- ๋งค 30์ดˆ๋งˆ๋‹ค ๋ฉ”์‹œ์ง€ ํŒจํ‚ท์„๋ธŒ๋กœ๋“œ์บ์ŠคํŠธํ•˜์—ฌ ๊ฐ ๋ผ์šฐํ„ฐ๊ฐ€ ๋„คํŠธ์›Œํฌ ์ •๋ณด๋ฅผ ํ•™์Šตํ•˜๋„๋ก ํ•จ, RFC1058์—์„œ ์ •์˜๋จ
- Distance Vector Algorithm์— ๊ธฐ์ดˆํ•˜์—ฌ ๋ฒ„ํด๋ฆฌ๋Œ€์—์„œ ๊ฐœ๋ฐœํ•œ ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ๋กœ์จ, IGP(Interior Gateway Protocol)
์šฉ์ด๋ฉฐ ๊ณผ๊ฑฐ์— ๋„๋ฆฌ ์‚ฌ์šฉ๋˜์—ˆ์œผ๋‚˜, ์ตœ๊ทผ์—๋Š” ์†Œ๊ทœ๋ชจ ๊ต์œก์šฉ ์™ธ์— ์‚ฌ์šฉ ์•Š์Œ
BGP
(Border Gateway Protocol)
- ์ž์น˜์‹œ์Šคํ…œ(AS) ์ƒํ˜ธ๊ฐ„์˜ ๋ผ์šฐํŒ…์— ์ ์šฉ๋˜๋Š” ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ
- ์‰ฝ๊ฒŒ๋งํ•˜๋ฉด, ISP ์‚ฌ์—…์ž๋“ค ์ƒํ˜ธ๊ฐ„์— ์ฃผ๋กœ ์‚ฌ์šฉ๋˜๋Š” ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ
- BGP-4๋Š” EGP๋ฅผ ๊ฐœ๋Ÿ‰ํ•œ ์ตœ๊ทผ ๋ฒ„์ „์ž„
EGP
(Exterior Gateway protocol)
- ์ผ๋ฐ˜์ ์œผ๋กœ ์ž์น˜์‹œ์Šคํ…œ ์ƒํ˜ธ๊ฐ„(Inter-AS ๋˜๋Š” Inter-Domain)์— ๊ฒฝ๋กœ์ •๋ณด๋ฅผ ๊ตํ™˜ํ•˜๊ธฐ ์œ„ํ•œ ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ์„ ์ด์นญ
- ์—ฐ๊ตฌ๊ธฐ๊ด€์ด๋‚˜ ๊ตญ๊ฐ€๊ธฐ๊ด€, ๋Œ€ํ•™, ๊ธฐ์—…๊ฐ„, ์ฆ‰ ๋„๋ฉ”์ธ ๊ฐ„์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ธํ„ฐ๋„ท ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ
ํ”„๋กœํ† ์ฝœ ์„ค๋ช…
Ethernet
- Xerox, Digital, Intel์ด ๊ณต๋™์œผ๋กœ ์‚ฌ์–‘์„ ๊ฐœ๋ฐœํ•˜์—ฌ 1980๋…„์— ์ œํ’ˆํ™”์‹œํ‚จ LAN๊ตฌํ˜„ ๋ฐฉ์‹์„ ๋งํ•จ.
- ๋น„์—ฐ๊ฒฐ์„ฑ(connectionless)๋ชจ๋“œ, ์ „์†ก์†๋„ 10Mbps ์ด์ƒ
- ๋ชจ๋“  ๋…ธ๋“œ๊ฐ€ ๋™์ผํ•œ ์ „์†ก๋งค์ฒด๋ฅผ ๊ณต์œ ํ•จ(Shared Media)
HDLC
(High-Level Data-Link
Control)
- ๊ณ ์† ๋ฐ์ดํ„ฐ ์ „์†ก์— ์ ํ•ฉํ•˜๊ณ , ๋น„ํŠธ ์ „์†ก์„ ๊ธฐ๋ณธ์œผ๋กœ ํ•˜๋Š” ๋ฒ”์šฉ์˜ ๋ฐ์ดํ„ฐ ๋งํฌ ์ „์†ก์ œ์–ด์ ˆ์ฐจ๋กœ์จ, ์ปดํ“จํ„ฐ๊ฐ„์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ปด
ํ“จํ„ฐ ๋„คํŠธ์›Œํฌ์—๋„ ์ ํ•ฉํ•œ ์ „์†ก์ œ์–ด๋ฐฉ์‹์„ ๋งํ•จ
- ISO 3309, 4435์— ๊ธฐ์ˆ ๋˜์–ด ์žˆ์Œ.
- ๋น„ํŠธ์ง€ํ–ฅ์  ํ”„๋กœํ† ์ฝœ
PPP
(Point-to-Point Protocol)
- ์ „ํ™”์„  ๊ฐ™์ด ์–‘๋‹จ๊ฐ„ ๋น„๋™๊ธฐ ์ง๋ ฌ ๋งํฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋‘ ์ปดํ“จํ„ฐ๊ฐ„์˜ ํ†ต์‹ ์„ ์ง€์›ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ
- TCP/IP๊ธฐ๋ฐ˜ ๋“ฑ์˜ ๋ฐ์ดํ„ฐ ์„œ๋น„์Šค์— ๋งŽ์ด ์ด์šฉ๋จ
- ์ ˆ๋Œ€์  ํšŒ์„  ๋งํฌ
ํ”„๋กœํ† ์ฝœ ์„ค๋ช…
RS-232
- 1962๋…„ EIA์—์„œ ํ‘œ์ค€ํ™”ํ•œ DTE ๋ฐ DCE๊ฐ„ ์ง๋ ฌ(์‹œ๋ฆฌ์–ผ) ์ธํ„ฐํŽ˜์ด์Šค ๊ทœ๊ฒฉ์•ˆ์„ ๋งํ•จ.
- ๋ณดํ†ต 15m์ดํ•˜ ๋‹จ๊ฑฐ๋ฆฌ์—์„œ 38400bps๊นŒ์ง€ ์ „์†ก์„ ์œ„ํ•œ ์ง๋ ฌ ์ธํ„ฐํŽ˜์ด์Šค ํ‘œ์ค€๊ทœ๊ฒฉ์œผ๋กœ์จ ํ†ต์ƒ ์ปดํ“จํ„ฐ์™€ ํ„ฐ๋ฏธ๋„ ๋˜๋Š” ์ปด
ํ“จํ„ฐ์™€ ๋ชจ๋Ž€ ๋“ฑ ๋‹ค์–‘ํ•œ ๊ธฐ๊ธฐ์™€์˜ ์ ‘์†์— ์‚ฌ์šฉ๋จ
X.25 / X.21
- CCITT์—์„œ DTE๋กœ ๋ช…๋ช…ํ•œ ์‚ฌ์šฉ์ž ์ปดํ“จํ„ฐ์™€ DCE๋กœ ๋ช…๋ช…๋œ ํ†ต์‹ ํšŒ์‚ฌ ์žฅ๋น„ ์‚ฌ์ด์—์„œ ์‹ ํ˜ธ๋“ค์„ ๊ตํ™˜ํ•จ์œผ๋กœ์จ ํ†ต์‹ ์˜ ์‹œ์ž‘
์ด๋‚˜ ์ข…๋ฃŒ๋ฅผ ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๊ทœ์ •ํ•˜๊ณ  ์žˆ์Œ
- X.25๋Š” ํŒจํ‚ท๊ตํ™˜๋ง์— ๋Œ€ํ•œ ์•ก์„ธ์Šค ํ‘œ์ค€
- X.21์€ ํšŒ์„ ๊ตํ™˜๋ง์— ๋Œ€ํ•œ ์•ก์„ธ์Šค ํ‘œ์ค€
๋ณด๊ธฐ๋งŒ ํ•ด๋„ ์•„์ฐ”ํ•œ
ํ†ต์‹  ํ”„๋กœํ† ์ฝœ์˜ ์ข…๋ฅ˜๋“ค
์ •๋ณด๋ฅผ ์ „๋‹ฌํ•  ๋•Œ๋Š”?
์•Œ์•„ ๋“ค์„ ์ˆ˜ ์žˆ๊ฒŒ!
์ง€ํ‚ค๊ณ  ์‹ถ์ง€ ์•Š์œผ๋ฉด
์•ˆ์ง€์ผœ๋„ ๋ผ
์•ˆ ์ง€ํ‚ค๋ฉด ์–ด์ฐจํ”ผ
์•ˆ ๋ฐ›์„๊บผ๋‹ˆ๊นŒ ^^
ARPANET
ARPANET
Request
For
Comments!
โ€ข RFC-2068
โ€ข RFC-2616
โ€ข RFC-7230 ~ 7235
HTTP 1.1๊ด€๋ จ RFC ๋ฌธ์„œ
Start Line
Start Line
์š”์ฒญ์ผ๋•Œ
Start Line
์š”์ฒญ์ผ๋•Œ
์‘๋‹ต์ผ๋•Œ
Start Line
์š”์ฒญ์ผ๋•Œ
Methode SP Request target(path) SP HTTP version CRLF
์‘๋‹ต์ผ๋•Œ
Start Line
์š”์ฒญ์ผ๋•Œ
Methode SP Request target(path) SP HTTP version CRLF
์‘๋‹ต์ผ๋•Œ
HTTP version SP Status-code SP Response phrase CRLF
โ€ข
fi
eld-name ":" OWS
fi
eld-value OWS
โ€ข ์ž„์˜์˜ header๋ฅผ ์ถ”๊ฐ€ ๊ฐ€๋Šฅ
(์ด์ „, ์ž„์˜์˜ header๋Š” x-๋ฅผ ๋ถ™์˜€์—ˆ์ง€๋งŒ ํ•ด๋‹น ๊ทœ์น™์€ ํ˜„์žฌ ์‚ญ์ œ๋จ)
โ€ข ์ผ๋ฐ˜์ ์œผ๋กœ ๋ฐ”๋”” ๋‚ด์šฉ, ๋ฐ”๋”” ํฌ๊ธฐ, ์ธ์ฝ”๋”ฉ ์—ฌ๋ถ€, ์ธ์ฆ, ํด๋ผ์ด์–ธํŠธ ์ •
๋ณด ๋“ฑ์„ ์ฃผ๊ณ  ๋ฐ›๊ธฐ ์œ„ํ•ด์„œ ์‚ฌ์šฉ
Header
์ „์†ก์— ํ•„์š”ํ•œ ๋ชจ๋“  ๋ถ€๊ฐ€์ •๋ณด๋ฅผ ํฌํ•จ(๋„ˆ๋ฌด ๋งŽ์•„์„œ ๊ตฌ๊ธ€๋ง ์ถ”์ฒœ)
โ€ข header์™€๋Š” Blank Line ์œผ๋กœ ๊ตฌ๋ถ„
โ€ข Byte๋กœ ํ‘œํ˜„ํ•  ์ˆ˜ ์žˆ๋Š” ๋ชจ๋“  ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ด๋Š” ๊ฒƒ์ด ๊ฐ€๋Šฅ
โ€ข Get Methode ์—์„œ body๋Š” ์ƒ๋žต๋  ์ˆ˜ ์žˆ์Œ
Body
์ „์†กํ•  ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ด๋Š” ๋ถ€๋ถ„
๋งˆ์ง€๋ง‰ ์ •๋ฆฌ
Interface์™€ Protocol์€ ๋„คํŠธ์›Œํฌ๋ฅผ ํ†ตํ•ด ์ •๋ณด๋ฅผ ์ฃผ๊ณ ๋ฐ›๊ธฐ ์œ„ํ•œ ๊ธฐ๋ณธ์ ์ธ ์•ฝ์†
Interface๋ž€ ์—”๋“œํฌ์ธํŠธ์˜ ๊ทœ๊ฒฉ๊ณผ ์ธ๋ฐ”์šด๋“œ, ์•„์›ƒ๋ฐ”์šด๋“œ ์ฒ˜๋ฆฌ ๋ฐฉ์‹
Protocol์ด๋ž€ ์‹œ์Šคํ…œ๊ฐ„ ํ†ต์‹ ์„ ์œ„ํ•œ ๊ทœ์•ฝ
๊นจ ๋ผ ๊นŒ ๋ž‘ ?

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Interface and Protocol

  • 1. Now Loading ๋ฐœํ‘œ๊ฐ€ ๊ณง ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค
  • 2. 2007๋…„ 7์›” 9์ผ ์›”์š”์ผ ๋Œ€์šฐ์ฃผ ์ฐฝ์กฐ์‹ ์˜ ์†Œ๋ฆฌ๋ฅผ ๋“ฃ๋Š” ์‚ฌ๋žŒ์ด ๋‚˜ํƒ€๋‚ฌ์Šต๋‹ˆ๋‹ค
  • 3. ํ˜น์‹œ ๋ฌธ์ œ๋Š” ์šฐ๋ฆฌ์—๊ฒŒ ์žˆ๋Š”๊ฒƒ์ด ์•„๋‹๊นŒ์š”? โ€œ ๋นต ์ƒ ? โ€ ์ด๊ฑด ๋„๋Œ€์ฒด ๋ฌด์Šจ ๋œป์ธ๊ฑธ๊นŒ์š”?
  • 4. Interface, And Protocol ์šฐ๋ฆฌ๊ฐ€ ๋Œ€์šฐ์ฃผ ์ฐฝ์กฐ์‹ ์˜ ์†Œ๋ฆฌ๋ฅผ ๋“ฃ๊ธฐ ์œ„ํ•ด ํ•„์š”ํ•œ ๊ฒƒ, ํ˜น์€ ๊ทธ๋ƒฅ ์ธํ„ฐ๋„ท ์„ธ๊ณ„์˜ ํ‘œ์ค€
  • 5. ๋Œ€ํ™”ํ•  ๋•Œ ํ•„์š”ํ•œ ๊ฐ€์žฅ ๊ธฐ๋ณธ์ ์ธ ์š”์†Œ๋Š”?
  • 8. ์ž… ๊ท€ ๋„ˆ๋ฌด ๋‹น์—ฐํ•œ ์†Œ๋ฆฌ์ง€๋งŒโ€ฆ
  • 9. Inter- : 1. [๋™์‚ฌ, ๋ช…์‚ฌ, ํ˜•์šฉ์‚ฌ, ๋ถ€์‚ฌ์—์„œ] โ€˜โ€ฆ์‚ฌ์ด์˜โ€™, โ€˜์ƒํ˜ธ๊ฐ„์˜โ€™๋ผ๋Š” ๋œป์„ ๋‚˜ํƒ€๋ƒ„ Face : 3. [๋™์‚ฌ] โ€ฆ์„ ๋งˆ์ฃผ๋ณด๋‹ค(ํ–ฅํ•˜๋‹ค)
  • 10. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 11. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์  User Interface
  • 12. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์  User Interface
  • 13. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์  User Interface
  • 14. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์  User Interface
  • 15. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์  User Interface
  • 16. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 17. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 18. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 19. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 20. ์—ฌ๊ธฐ์„œ ํ€ด์ฆˆ! ์ด์‚ฌ๋‹˜์ด ํ๋“œ๋ฏธ๋ผ ํ•˜๋Š” HDMI๋Š” ๋ฌด์—‡์˜ ์•ฝ์ž์ผ๊นŒ์š”? ๋‚˜?
  • 21. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 22. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 23. What is Interface? ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์ 
  • 24. - Interface - โ€ข ์„œ๋กœ ์ด์งˆ์ ์ธ ๋‘ ๋Œ€์ƒ์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ ‘์  โ€ข ์ฒ˜๋ฆฌ๋ฐฉ์‹์ด ์„œ๋กœ ๋‹ค๋ฅธ ๋‘ ๋Œ€์ƒ์ด ์„œ๋กœ์˜ ์ •๋ณด๋ฅผ ์ˆ˜์šฉํ•  ์ˆ˜ ์žˆ๋„๋ก ๋งค๊ฐœ, ๋ฐ ๋ณ€ํ™˜ ๊ธฐ๋Šฅ์„ ์ˆ˜ํ–‰ โ€ข ๋ฌผ๋ฆฌ์ , ์†Œํ”„ํŠธ์›จ์–ด์ ์ธ ๊ฒƒ์„ ๋ชจ๋‘ ํฌ๊ด„
  • 25. โ€œ ๋นต ์ƒ ! ๊นจ ๋ผ ๊นŒ ๋ž‘ ? โ€
  • 26. โ€œ ๋นต ์ƒ ! ๊นจ ๋ผ ๊นŒ ๋ž‘ ? โ€ = ์ธ๊ฐ„๋“ค์•„! ๋ฌด์—‡์ด ์•Œ๊ณ ์‹ถ๋Š๋ƒ?
  • 28. ํ”„๋กœํ† ์ฝœ ์„ค๋ช… HTTP (HyperText Transfer Protocol) - www ์ƒ์—์„œ ์ •๋ณด๋ฅผ ์ฃผ๊ณ  ๋ฐ›์„ ์ˆ˜ ์žˆ๋Š” ํ”„๋กœํ† ์ฝœ - ์ฃผ๋กœ HTML๋ฌธ์„œ๋ฅผ ์ฃผ๊ณ  ๋ฐ›๋Š” ๋ฐ์— ์“ฐ์ž„ - TCP์™€ UDP๋ฅผ ์‚ฌ์šฉํ•˜๋ฉฐ, 80๋ฒˆ ํฌํŠธ๋ฅผ ์‚ฌ์šฉ - ํด๋ผ์ด์–ธํŠธ์™€ ์„œ๋ฒ„ ์‚ฌ์ด์— ์ด๋ฃจ์–ด์ง€๋Š” ์š”์ฒญ/์‘๋‹ต(request/response) ํ”„๋กœํ† ์ฝœ SMTP (Simple Mail Transfer Protocol) - ์ธํ„ฐ๋„ท์—์„œ ์ด๋ฉ”์ผ์„ ๋ณด๋‚ด๊ณ  ๋ฐ›๊ธฐ ์œ„ํ•ด ์ด์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ, TCP ํฌํŠธ๋ฒˆํ˜ธ 25๋ฒˆ ์‚ฌ์šฉ - ์ƒ๋Œ€์„œ๋ฒ„๋ฅผ ์ง€์‹œํ•˜๊ธฐ ์œ„ํ•ด์„œ DNS์˜ MX๋ ˆ์ฝ”๋“œ๊ฐ€ ์‚ฌ์šฉ๋จ, RFC2821์— ๋”ฐ๋ผ ๊ทœ์ •๋จ - ํ…์ŠคํŠธ ๊ธฐ๋ฐ˜์˜ ํ”„๋กœํ† ์ฝœ๋กœ์„œ ์š”๊ตฌ/์‘๋‹ต ๋ฉ”์‹œ์ง€ ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๋ชจ๋“  ๋ฌธ์ž๊ฐ€ 7bit ASCII๋กœ ๋˜์–ด ์žˆ์–ด์•ผ ํ•จ (8bit ์ด์ƒ์˜ ์ฝ”๋“œ๋ฅผ ์‚ฌ ์šฉํ•˜๋Š” ํŒŒ์ผ๊ณผ ๋ฐ”์ด๋„ˆ๋ฆฌ๋Š” ๋งˆ์ž„(MIME)๋ฐฉ์‹์œผ๋กœ 7bit๋กœ ๋ณ€ํ™˜๋˜์–ด ์ „๋‹ฌ) SNMP (Simple Network Management Protocol) - ๋„คํŠธ์›Œํฌ ์žฅ๋น„๋ฅผ ๊ด€๋ฆฌ ๊ฐ์‹œํ•˜๊ธฐ ์œ„ํ•œ ๋ชฉ์ ์œผ๋กœ TCP/IP ์ƒ์— ์ •์˜๋œ ์‘์šฉ ๊ณ„์ธต ํ‘œ์ค€ ํ”„๋กœํ† ์ฝœ - ๋„คํŠธ์›Œํฌ ๊ด€๋ฆฌ์ž๊ฐ€ ๋„คํŠธ์›Œํฌ ์„ฑ๋Šฅ์„ ๊ด€๋ฆฌํ•˜๊ณ  ๋„คํŠธ์›Œํฌ ๋ฌธ์ œ์ ์„ ์ฐพ์•„ ์ˆ˜์ •ํ•˜๋Š”๋ฐ ๋„์›€์„ ์คŒ - SNMP๋ฅผ ์ง€์›ํ•˜๋Š” ์„œ๋ฒ„์— ๊ด€๋ฆฌ์ž๊ฐ€ ์งˆ์˜๋ฅผ ํ•ด ์ž๋ฃŒ๋ฅผ ๋ฐ›์•„๊ฐˆ ์ˆ˜ ์žˆ๊ณ , ๋ฐ˜๋Œ€๋กœ ์–ด๋–ค ๊ฐ’์€ ์„ค์ •์„ ์š”์ฒญํ•  ์ˆ˜๋„ ์žˆ์Œ. FTP (File transfer protocol) - ์ปดํ“จํ„ฐ ๊ฐ„ ํŒŒ์ผ์„ ์ „์†กํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ - ์‚ฌ์šฉ์ž์ธ์ฆ, ๋ฐ์ดํ„ฐ์˜ ์ „ํ™˜, ๋””๋ ‰ํ„ฐ๋ฆฌ ๊ฒ€์ƒ‰ ๋“ฑ๊ณผ ๊ฐ™์€ ๋งŽ์€ ๊ธฐ๋Šฅ ๋ฐ ์„ ํƒ์‚ฌํ•ญ์„ ์ œ๊ณต - ํด๋ผ์ด์–ธํŠธ/์„œ๋ฒ„ ๊ด€๊ณ„๋ฅผ ์ด๋ฃจ๋ฉฐ ๋™์ž‘ํ•จ, ํ‘œ์ค€ RFC959์— ๋”ฐ๋ผ ๊ทœ์ •๋จ - ๋ฐ์ดํ„ฐ ์ „๋‹ฌ : 20๋ฒˆํฌํŠธ, ์ œ์–ด์ •๋ณด์ „๋‹ฌ : 21๋ฒˆํฌํŠธ TELNET - ์ธํ„ฐ๋„ท์ด๋‚˜ ๋กœ์ปฌ ์˜์—ญ ๋„คํŠธ์›Œํฌ ์—ฐ๊ฒฐ์— ์“ฐ์ด๋Š” ๋„คํŠธ์›Œํฌ ํ”„๋กœํ† ์ฝœ, IETF STD 8๋กœ ํ‘œ์ค€ํ™” - ๋ณด์•ˆ๋ฌธ์ œ๋กœ ์‚ฌ์šฉ์ด ๊ฐ์†Œํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์›๊ฒฉ์ œ์–ด๋ฅผ ์œ„ํ•ด SSH๋กœ ๋Œ€์ฒด๋˜๊ธฐ๋„ ํ•จ IMAP (Internet Message Access Protocol) - ์›๊ฒฉํŒŒ์ผ ์„œ๋ฒ„์™€ ์œ ์‚ฌํ•˜๊ฒŒ ์ž‘๋™, POP3์™€ ๋‹ฌ๋ฆฌ ๋ฉ”์ผ์„ ๋ฐ›์•„์˜ฌ ๋•Œ ์„œ๋ฒ„์—์„œ ๋ฉ”์ผ์„ ์‚ญ์ œํ•˜์ง€ ์•Š๊ณ  ๋ณด๊ด€ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ - ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ ํ™˜๊ฒฝ์—์„œ ํ•ญ์ƒ ๊ฐ™์€ ๋ฉ”์ผ ๋‚ด์šฉ์„ ๋ฉ”์ผ ์„œ๋ฒ„๋กœ๋ถ€ํ„ฐ ๋ฐ›์•„์˜ฌ ์ˆ˜ ์žˆ๋Š” ์žฅ์ ์ด ์žˆ์Œ - POP3์— ๋น„ํ•ด ๋ฉ”์ผ์„œ๋ฒ„์™€์˜ ํ†ต์‹  ํŠธ๋ž˜ํ”ฝ์ด ๋†’์€ ๋‹จ์ ์„ ๊ฐ€์ง IRC (Internet Relay Chat) - ์ธํ„ฐ๋„ท์œผ๋กœ ์‹ค์‹œ๊ฐ„ ๋Œ€ํ™”๋ฅผ ๋‚˜๋ˆŒ ์ˆ˜ ์žˆ๋Š” ํ”„๋กœํ† ์ฝœ - ๋™์‹œ์— ๋‹ค์ค‘ ๋Œ€ํ™”๊ฐ€ ๊ฐ€๋Šฅํ•œ ์ฑ„ํŒ… ํ”„๋กœํ† ์ฝœ - RFC2810~2813์ด ์ฃผ๋กœ ์‚ฌ์šฉ๋˜๋ฉฐ, TCP 6667๊ณผ 6668 ํฌํŠธ ์‚ฌ์šฉ SIP (Session Initiation Protocol) - ์ธํ„ฐ๋„ท ์ƒ์—์„œ ํ†ต์‹ ํ•˜๊ณ ์ž ํ•˜๋Š” ์ง€๋Šฅํ˜• ๋‹จ๋ง(์ „ํ™”, ์ธํ„ฐ๋„ท ์ฝ˜ํผ๋Ÿฐ์Šค, ์ธ์Šคํ„ดํŠธ ๋ฉ”์‹ ์ € ๋“ฑ)๋“ค์ด ์„œ๋กœ๋ฅผ ์‹๋ณ„ํ•˜์—ฌ ๊ทธ ์œ„์น˜๋ฅผ ์ฐพ๊ณ , ๊ทธ๋“ค ์ƒํ˜ธ ๊ฐ„์— ๋ฉ€๋ฆฌ๋ฏธ๋””์–ด ํ†ต์‹  ์„ธ์…˜์„ ์ƒ์„ฑํ•˜๊ฑฐ๋‚˜ ์‚ญ์ œ ๋˜๋Š” ๋ณ€๊ฒฝํ•˜๊ธฐ ์œ„ํ•œ ์ ˆ์ฐจ๋ฅผ ๋ช…์‹œํ•œ ์‹œ๊ทธ๋„๋ง ํ”„๋กœํ† ์ฝœ - HTTP์™€ SMTP์˜ ๋งŽ์€ ๋ถ€๋ถ„ ๊ทธ๋Œ€๋กœ ์‚ฌ์šฉํ•˜์—ฌ ๊ฐœ๋ฐœ๋œ ํ…์ŠคํŠธ ๊ธฐ๋ฐ˜์ด๋ฏ€๋กœ ๊ตฌํ˜„์ด ์šฉ์ด ํ•˜๊ณ , ์œ ์—ฐ์„ฑ๊ณผ ํ™•์žฅ์„ฑ์ด ์žˆ์Œ. POP3(Post O ffi ce Protocol Version 3) - ๋ฉ€๋ฆฌ ๋–จ์–ด์ ธ์žˆ๋Š” ๋ฉ”์ผ์„œ๋ฒ„์— ์ง€์ •๋œ ์‚ฌ์šฉ์žID๋กœ ์ ‘์†ํ•ด์„œ, ๋ฉ”์ผ๋ฐ•์Šค ๋‚ด์— ๋„์ฐฉํ•œ ๋ฉ”์ผ์„ ์ž์‹ (ํด๋ผ์ด์–ธํŠธ)์—๊ฒŒ ๊ฐ€์ ธ์˜ค๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ๋น„๊ต์  ๊ฐ„๋‹จํ•œ ํ”„๋กœํ† ์ฝœ - RFC1939์— ์ •์˜๋˜์–ด ์žˆ์Œ. SSH (Secure Shell) - ๋„คํŠธ์›Œํฌ ์ƒ์˜ ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ์— ๋กœ๊ทธ์ธํ•˜๊ฑฐ๋‚˜ ์›๊ฒฉ ์‹œ์Šคํ…œ์—์„œ ๋ช…๋ น์„ ์‹คํ–‰ํ•˜๊ณ  ๋‹ค๋ฅธ ์‹œ์Šคํ…œ์œผ๋กœ ํŒŒ์ผ์„ ๋ณต์‚ฌํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด ์ฃผ ๋Š” ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ ๋˜๋Š” ๊ทธ ํ”„๋กœํ† ์ฝœ - ๊ธฐ์กด rsh, rlogin, ํ…”๋„ท์„ ๋Œ€์ฒดํ•˜๊ธฐ ์œ„ํ•ด ์„ค๊ณ„๋จ - ๊ฐ•๋ ฅํ•œ ์ธ์ฆ๋ฐฉ๋ฒ• ์ œ๊ณต ๋ฐ ์•ˆ์ •์„ฑ์ด ์šฐ์ˆ˜ํ•จ, 22๋ฒˆ ํฌํŠธ ์‚ฌ์šฉ UUCP (Unix to Unix Copy) - ์›๊ฒฉ ๋ช…๋ น์‹คํ–‰, ํŒŒ์ผ ์ „์†ก, ์ด๋ฉ”์ผ, ์ปดํ“จํ„ฐ๊ฐ„ ๋„คํŠธ๋‰ด์Šค ๋“ฑ์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•˜๋Š” ์ปดํ“จํ„ฐ ํ”„๋กœ๊ทธ๋žจ๊ณผ ํ”„๋กœํ† ์ฝœ ์Šค์œ„ํŠธ ๋˜๋Š” ์„ธํŠธ๋ฅผ ๊ฐ€ ๋ฆฌํ‚ด DNS (Domain Name System) - ํ˜ธ์ŠคํŠธ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ๋ถ„์‚ฐ์‹œ์ผœ์„œ ๊ด€๋ฆฌํ•˜๋Š” ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค - IP์ฃผ์†Œ์™€ Host์ด๋ฆ„์ด ์„œ๋กœ ์—ฐ๊ฒฐ๋˜์–ด ๊ตฌ์กฐํ™”๋œ ์—ญ ํŠธ๋ฆฌ๊ตฌ์กฐ๋ฅผ ๊ฐ–๋Š” ๊ณ„์ธต์ ์ด๊ณ , ๋ถ„์‚ฐ(Distributed)๋œ, ํด๋ผ์ด์–ธํŠธ/์„œ๋ฒ„ ๊ตฌ์กฐ์˜ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ์‹œ์Šคํ…œ์„ ๋งํ•จ. ํ”„๋กœํ† ์ฝœ ์„ค๋ช… XDR (External Data Representation) - ํ•˜๋“œ์›จ์–ด ๋…๋ฆฝ์ ์œผ๋กœ ๋ฐ์ดํ„ฐ ์„œ์ˆ ๊ณผ ๊ธฐํ˜ธํ™”๋ฅผ ํ•˜๊ธฐ ์œ„ํ•œ ํ‘œ์ค€์œผ๋กœ์„œ, ์›๊ฒฉ์ ˆ์ฐจ ํ˜ธ์ถœ ์‹œ์Šคํ…œ์—์„œ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด ์ฌ๋งˆ์ดํฌ๋กœ์‹œ์Šค ํ…œ์ฆˆ๊ฐ€ ๊ฐœ๋ฐœํ•˜์˜€์Œ. - ์„œ๋กœ ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ ๊ตฌ์กฐ๊ฐ„์— ๋ฐ์ดํ„ฐ๋ฅผ ์ „์†กํ•˜๋Š”๋ฐ ์œ ์šฉํ•จ - X.409๋‚˜ ISO์˜ ASN๋“ฑ๊ณผ ๋‹ฌ๋ฆฌ ๋ฌต์‹œ์ ์ธ ํ˜•์‹์„ ์‚ฌ์šฉํ•จ SSL (Secure Socket Layer) - ๋„ท์Šค์ผ€์ดํ”„์‚ฌ์—์„œ ์ „์ž์ƒ๊ฑฐ๋ž˜ ๋“ฑ์˜ ๋ณด์•ˆ์„ ์œ„ํ•ด ๊ฐœ๋ฐœํ•˜์˜€์Œ. - TLS(Transport Layer Security)๋ผ๋Š” ์ด๋ฆ„์œผ๋กœ ํ‘œ์ค€ํ™”๋˜์—ˆ์Œ. - ๋„คํŠธ์›Œํฌ ๋ ˆ์ด์–ด์˜ ์•”ํ˜ธํ™” ๋ฐฉ์‹์ด๊ธฐ ๋•Œ๋ฌธ์— HTTP ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ, NNTP, FTP๋“ฑ์—๋„ ์‚ฌ์šฉ - ์ธ์ฆ, ์•”ํ˜ธํ™”, ๋ฌด๊ฒฐ์„ฑ ๋ณด์žฅ MPEG (Moving Picture Experts Group) - ์ •์ง€๋œ ํ™”์ƒ์„ ์••์ถ•ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๊ณ ์•ˆํ•œ JPEG์™€๋Š” ๋‹ฌ๋ฆฌ, ์‹œ๊ฐ„์— ๋”ฐ๋ผ ์—ฐ์†์ ์œผ๋กœ ๋ณ€ํ™”ํ•˜๋Š” ๋™์˜์ƒ ์••์ถ•๊ณผ ์ฝ”๋“œ ํ‘œํ˜„์„ ํ†ตํ•ด ์ • ๋ณด์˜ ์ „์†ก์ด ์ด๋ฃจ์–ด์งˆ ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์„ ์—ฐ๊ตฌ - ์˜์ƒ์••์ถ•๊ธฐ์ˆ ์— ๋Œ€ํ•œ ํ‘œ์ค€์„ ์ •๋ฆฝํ•˜๋ฉด ๋ฐ˜๋„์ฒด ์—…์ฒด์—์„œ ์ด๋“ค ํ‘œ์ค€์„ ์ง€์›ํ•˜๋Š” ์˜์ƒ ์••์ถ•์นฉ์„ ๊ฐœ๋ฐœ ASCII (American Standard Code for Information Interchange) - ์˜๋ฌธ ์•ŒํŒŒ๋ฒณ์„ ์‚ฌ์šฉํ•˜๋Š” ๋Œ€ํ‘œ์ ์ธ ๋ฌธ์ž ์ธ์ฝ”๋”ฉ - ์ปดํ“จํ„ฐ์™€ ํ†ต์‹ ์žฅ๋น„๋ฅผ ๋น„๋กฏํ•œ ๋ฌธ์ž๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋งŽ์€ ์žฅ์น˜์—์„œ ์‚ฌ์šฉ๋˜๋ฉฐ, ๋Œ€๋ถ€๋ถ„์˜ ๋ฌธ์ž ์ธ์ฝ”๋”ฉ์ด ์•„์Šคํ‚ค์— ๊ธฐ๋ฐ˜ํ•จ - ์•„์Šคํ‚ค๋Š” 7๋น„ํŠธ ์ธ์ฝ”๋”ฉ์œผ๋กœ, 33๊ฐœ์˜ ์ถœ๋ ฅ ๋ถˆ๊ฐ€๋Šฅํ•œ ์ œ์–ด ๋ฌธ์ž๋“ค๊ณผ ๊ณต๋ฐฑ์„ ๋น„๋กฏํ•œ 95๊ฐœ์˜ ์ถœ๋ ฅ ๊ฐ€๋Šฅํ•œ ๋ฌธ์ž๋“ค๋กœ ์ด๋ฃจ์–ด์ง ํ”„๋กœํ† ์ฝœ ์„ค๋ช… NetBIOS - ๋„คํŠธ์›Œํฌ์˜ ๊ธฐ๋ณธ์ ์ธ ์ž…์ถœ๋ ฅ์„ ์ •์˜ํ•œ ๊ทœ์•ฝ - IBM์˜ PC-Networks, ๋งˆ์ดํฌ๋กœ์†Œํ”„ํŠธ์‚ฌ์˜ MS-Networks LAN ๋งค๋‹ˆ์ € ๋“ฑ์—์„œ ์‚ฌ์šฉํ•จ RPC (Remote Procedure Call) - Windows ์šด์˜ ์ฒด์ œ์—์„œ ์‚ฌ์šฉํ•˜๋Š” ์›๊ฒฉํ”„๋กœ์‹œ์ € ํ˜ธ์ถœ ํ”„๋กœํ† ์ฝœ - RPC๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ํŠน์ • ์ปดํ“จํ„ฐ์—์„œ ์‹คํ–‰๋˜๋Š” ํ”„๋กœ๊ทธ๋žจ์—์„œ ์›๊ฒฉ ์‹œ์Šคํ…œ์˜ ์ฝ”๋“œ๋ฅผ ์™„๋ฒฝํ•˜๊ฒŒ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ํ”„๋กœ์„ธ ์Šค๊ฐ„ ํ†ต์‹ (IPC) ๋ฉ”์ปค๋‹ˆ์ฆ˜์„ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ์Œ. Winsock (Windows Socket) - ์˜ˆ์ „๋ถ€ํ„ฐ ์œ ๋‹‰์Šค ๋“ฑ์—์„œ TCP/IP ํ†ต์‹ ์‹œ ์‚ฌ์šฉํ•˜๋Š” Socket์„ Windows์—์„œ ๊ทธ๋Œ€๋กœ ๊ตฌํ˜„ํ•œ ๊ฒƒ. ํ”„๋กœํ† ์ฝœ ์„ค๋ช… TCP (Transmission control Protocol) - ์ „์†ก์ œ์–ดํ”„๋กœํ† ์ฝœ, ๋„คํŠธ์›Œํฌ์˜ ์ •๋ณด์ „๋‹ฌ์„ ํ†ต์ œํ•˜๋Š” ํ”„๋กœํ† ์ฝœ - ์ธํ„ฐ๋„ท์„ ์ด๋ฃจ๋Š” ํ•ต์‹ฌ ํ”„๋กœํ† ์ฝœ์˜ ํ•˜๋‚˜๋กœ์„œ IETF์˜ RFC793์— ๊ธฐ์ˆ ๋˜์–ด ์žˆ์Œ - TCP๋Š” IP์œ„์—์„œ ๋™์ž‘ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ๋กœ ํ”ํžˆ TCP/IP๋กœ ํ‘œ๊ธฐํ•จ - ํŒจํ‚ท์˜ ๊ตํ™˜์„ ๊ทผ๊ฐ„์œผ๋กœ ํ•˜๋Š” ์ธํ„ฐ๋„ท ํ”„๋กœํ† ์ฝœ(IP)์„ ๊ธฐ๋ฐ˜์œผ๋กœ ์ž‘๋™ํ•จ. UDP (User Datagram Protocol) - ์‹ ๋ขฐ์„ฑ์ด ๋‚ฎ์€ ๋ฐ์ดํ„ฐ๊ทธ๋žจ ํ”„๋กœํ† ์ฝœ๋กœ์จ ์™„์ „์„ฑ์„ ๋ณด์ฆํ•˜์ง€ ์•Š์œผ๋‚˜, ์‘์šฉ์ด๋‚˜ ๋„คํŠธ์›Œํฌ ํ™˜๊ฒฝ์—์„œ ๊ฐ€์ƒํšŒ์„ ์„ ๊ตณ์ด ํ™•๋ฆฝํ•  ํ•„์š”๊ฐ€ ์—†์–ด์„œ ์œ ์—ฐํ•˜๊ณ  ํšจ์œจ์ ์ธ ๋ฐ์ดํ„ฐ ์ „์†ก์— ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ - ๋น„์—ฐ๊ฒฐ์„ฑ์ด๊ณ  ์‹ ๋ขฐ์„ฑ์ด ์—†์œผ๋ฉฐ, ์ˆœ์„œํ™”๋˜์ง€ ์•Š์€ Datagram ์„œ๋น„์Šค ์ œ๊ณต RTP (Real-Time Transport Protocol) - ์ธํ„ฐ๋„ท์ƒ์—์„œ ๋‹ค์ˆ˜๊ฐ€ ์ข…๋‹จ๊ฐ„์— ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋น„๋””์˜ค๋‚˜ ์˜ค๋””์˜ค ํŒจํ‚ท์„ ์ „์†กํ•˜๊ธฐ ์œ„ํ•ด(์˜์ƒํšŒ์˜ ๋“ฑ) ํ‘œ์ค€ํ™”๋œ ํ”„๋กœํ† ์ฝœ์„ ๋ง ํ•จ. - ์‹ ๋ขฐ์„ฑ์€ ์—†์œผ๋‚˜ ๋น ๋ฅด๊ฒŒ ๋ฐ์ดํ„ฐ๋ฅผ ์ „๋‹ฌํ•  ์ˆ˜ ์žˆ๋Š” UDP๋ผ๋Š” ์ˆ˜์†ก ํ”„๋กœํ† ์ฝœ ์œ„์—์„œ ์‹คํ–‰๋˜๋ฉฐ ์ฃผ๋กœ ์‹ค์‹œ๊ฐ„ ์„œ๋น„์Šค๋ฅผ ์ œ๊ณตํ•จ ํ”„๋กœํ† ์ฝœ ์„ค๋ช… IP (Internet Protocol) - ์†ก์‹  ํ˜ธ์ŠคํŠธ์™€ ์ˆ˜์‹  ํ˜ธ์ŠคํŠธ๊ฐ€ ํŒจํ‚ท ๊ตํ™˜ ๋„คํŠธ์›Œํฌ์—์„œ ์ •๋ณด๋ฅผ ์ฃผ๊ณ ๋ฐ›๋Š” ๋ฐ ์‚ฌ์šฉํ•˜๋Š” ์ •๋ณด ์œ„์ฃผ์˜ ๊ทœ์•ฝ - OSI ๋„คํŠธ์›Œํฌ ๊ณ„์ธต์—์„œ ํ˜ธ์ŠคํŠธ์˜ ์ฃผ์†Œ์ง€์ •๊ณผ ํŒจํ‚ท ๋ถ„ํ•  ๋ฐ ์กฐ๋ฆฝ ๊ธฐ๋Šฅ์„ ๋‹ด๋‹นํ•จ. - ๋น„์‹ ๋ขฐ์„ฑ๊ณผ๋น„์—ฐ๊ฒฐ์„ฑ์ด ํŠน์ง• ICMP (Internet Control Message Protocol) - TCP/IP์—์„œ IP ํŒจํ‚ท์„ ์ฒ˜๋ฆฌํ•  ๋•Œ ๋ฐœ์ƒ๋˜๋Š” ๋ฌธ์ œ๋ฅผ ์•Œ๋ฆฌ๊ฑฐ๋‚˜, ์ง„๋‹จ ๋“ฑ๊ณผ ๊ฐ™์ด IP๊ณ„์ธต์—์„œ ํ•„์š”ํ•œ ๊ธฐํƒ€ ๊ธฐ๋Šฅ๋“ค์„ ์ˆ˜ํ–‰ํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ๋กœ IP์™€ ํ•˜๋‚˜์˜ ์Œ์„ ์ด๋ฃจ๋ฉฐ ๋™์ž‘ํ•จ - ๋„คํŠธ์›Œํฌ ์˜ค๋ฅ˜์˜ ๋ณด๊ณ  (์—๋Ÿฌ๋ฉ”์„ธ์ง€) - ๋„คํŠธ์›Œํฌ ์ƒํƒœ์กฐ์‚ฌ๋ฅผ ์œ„ํ•œ ์งˆ์˜ ์š”์ฒญ ๋ฐ ์‘๋‹ต (์งˆ์˜๋ฉ”์„ธ์ง€) IGMP (Internet Group Management Protocol) - IP ๋ฉ€ํ‹ฐ์บ์ŠคํŠธ๋ฅผ ์‹คํ˜„ํ•˜๊ธฐ ์œ„ํ•œ ํ†ต์‹  ํ”„๋กœํ† ์ฝœ - RFC 1112์— ๊ทœ์ • - ๊ตฌ๋‚ด ์ •๋ณด ํ†ต์‹ ๋ง(LAN)์ƒ์—์„œ ๋ผ์šฐํ„ฐ๊ฐ€ ๋ฉ€ํ‹ฐ์บ์ŠคํŠธ ํ†ต์‹  ๊ธฐ๋Šฅ์„ ๊ตฌ๋น„ํ•œ ๊ฐœ์ธ์šฉ ์ปดํ“จํ„ฐ(PC)์— ๋Œ€ํ•ด ๋ฉ€ํ‹ฐ์บ์ŠคํŠธ ํŒจํ‚ท์„ ๋ถ„ ๋ฐฐํ•˜๋Š” ๊ฒฝ์šฐ์— ์‚ฌ์šฉ๋จ. IPSec (Internet Protocol Security Protocol) - ๋„คํŠธ์›Œํฌ ๊ณ„์ธต์ƒ์—์„œ IPํŒจํ‚ท ๋‹จ์œ„๋กœ ์ธ์ฆ ๋ฐ ์•”ํ˜ธํ™”๋ฅผ ํ•˜๋Š” ๊ธฐ์ˆ ์„ ๋งํ•˜๋ฉฐ, ์ธํ„ฐ๋„ท ๊ฒฝ์œ  ๊ตฌ๊ฐ„์— ์ผ์ข…์˜ ๋ณด์•ˆ ํ†ต๋กœ์ธ ํ„ฐ๋„๋ง ์„ ํ˜•์„ฑํ•ด ์ค„ ์ˆ˜ ์žˆ์Œ. - ๋ณด์•ˆํ”„๋กœํ† ์ฝœ๊ณผ ํ‚ค ๊ด€๋ฆฌ ํ”„๋กœํ† ์ฝœ๋กœ ๋ณต์ˆ˜์˜ ํ”„๋กœํ† ์ฝœ๋กœ ๊ตฌ์„ฑํ•˜์—ฌ ๋ณด์•ˆ์—ฐํ•ฉ(Security Association)์ด๋ผ๊ณ  ํ•จ. ARP (Address Resolution Protocol) - ๋„คํฌ์›Œํฌ์ƒ์—์„œ IP ์ฃผ์†Œ๋ฅผ ๋ฌผ๋ฆฌ์  ๋„คํŠธ์›Œํฌ ์ฃผ์†Œ๋กœ ๋Œ€์‘์‹œํ‚ค๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ํ”„๋กœํ† ์ฝœ - ๋ฌผ๋ฆฌ์  ๋„คํŠธ์›Œํฌ ์ฃผ์†Œ๋Š” ์ด๋”๋„ท ๋˜๋Š” ํ† ํฐ๋ง์˜ 48๋น„ํŠธ ๋„คํŠธ์›Œํฌ ๊ฐ€๋“œ ์ฃผ์†Œ๋ฅผ ๋œปํ•จ. RIP (Router Interchange Protocol) - ๋งค 30์ดˆ๋งˆ๋‹ค ๋ฉ”์‹œ์ง€ ํŒจํ‚ท์„๋ธŒ๋กœ๋“œ์บ์ŠคํŠธํ•˜์—ฌ ๊ฐ ๋ผ์šฐํ„ฐ๊ฐ€ ๋„คํŠธ์›Œํฌ ์ •๋ณด๋ฅผ ํ•™์Šตํ•˜๋„๋ก ํ•จ, RFC1058์—์„œ ์ •์˜๋จ - Distance Vector Algorithm์— ๊ธฐ์ดˆํ•˜์—ฌ ๋ฒ„ํด๋ฆฌ๋Œ€์—์„œ ๊ฐœ๋ฐœํ•œ ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ๋กœ์จ, IGP(Interior Gateway Protocol) ์šฉ์ด๋ฉฐ ๊ณผ๊ฑฐ์— ๋„๋ฆฌ ์‚ฌ์šฉ๋˜์—ˆ์œผ๋‚˜, ์ตœ๊ทผ์—๋Š” ์†Œ๊ทœ๋ชจ ๊ต์œก์šฉ ์™ธ์— ์‚ฌ์šฉ ์•Š์Œ BGP (Border Gateway Protocol) - ์ž์น˜์‹œ์Šคํ…œ(AS) ์ƒํ˜ธ๊ฐ„์˜ ๋ผ์šฐํŒ…์— ์ ์šฉ๋˜๋Š” ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ - ์‰ฝ๊ฒŒ๋งํ•˜๋ฉด, ISP ์‚ฌ์—…์ž๋“ค ์ƒํ˜ธ๊ฐ„์— ์ฃผ๋กœ ์‚ฌ์šฉ๋˜๋Š” ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ - BGP-4๋Š” EGP๋ฅผ ๊ฐœ๋Ÿ‰ํ•œ ์ตœ๊ทผ ๋ฒ„์ „์ž„ EGP (Exterior Gateway protocol) - ์ผ๋ฐ˜์ ์œผ๋กœ ์ž์น˜์‹œ์Šคํ…œ ์ƒํ˜ธ๊ฐ„(Inter-AS ๋˜๋Š” Inter-Domain)์— ๊ฒฝ๋กœ์ •๋ณด๋ฅผ ๊ตํ™˜ํ•˜๊ธฐ ์œ„ํ•œ ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ์„ ์ด์นญ - ์—ฐ๊ตฌ๊ธฐ๊ด€์ด๋‚˜ ๊ตญ๊ฐ€๊ธฐ๊ด€, ๋Œ€ํ•™, ๊ธฐ์—…๊ฐ„, ์ฆ‰ ๋„๋ฉ”์ธ ๊ฐ„์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ธํ„ฐ๋„ท ๋ผ์šฐํŒ… ํ”„๋กœํ† ์ฝœ ํ”„๋กœํ† ์ฝœ ์„ค๋ช… Ethernet - Xerox, Digital, Intel์ด ๊ณต๋™์œผ๋กœ ์‚ฌ์–‘์„ ๊ฐœ๋ฐœํ•˜์—ฌ 1980๋…„์— ์ œํ’ˆํ™”์‹œํ‚จ LAN๊ตฌํ˜„ ๋ฐฉ์‹์„ ๋งํ•จ. - ๋น„์—ฐ๊ฒฐ์„ฑ(connectionless)๋ชจ๋“œ, ์ „์†ก์†๋„ 10Mbps ์ด์ƒ - ๋ชจ๋“  ๋…ธ๋“œ๊ฐ€ ๋™์ผํ•œ ์ „์†ก๋งค์ฒด๋ฅผ ๊ณต์œ ํ•จ(Shared Media) HDLC (High-Level Data-Link Control) - ๊ณ ์† ๋ฐ์ดํ„ฐ ์ „์†ก์— ์ ํ•ฉํ•˜๊ณ , ๋น„ํŠธ ์ „์†ก์„ ๊ธฐ๋ณธ์œผ๋กœ ํ•˜๋Š” ๋ฒ”์šฉ์˜ ๋ฐ์ดํ„ฐ ๋งํฌ ์ „์†ก์ œ์–ด์ ˆ์ฐจ๋กœ์จ, ์ปดํ“จํ„ฐ๊ฐ„์„ ์—ฐ๊ฒฐํ•˜๋Š” ์ปด ํ“จํ„ฐ ๋„คํŠธ์›Œํฌ์—๋„ ์ ํ•ฉํ•œ ์ „์†ก์ œ์–ด๋ฐฉ์‹์„ ๋งํ•จ - ISO 3309, 4435์— ๊ธฐ์ˆ ๋˜์–ด ์žˆ์Œ. - ๋น„ํŠธ์ง€ํ–ฅ์  ํ”„๋กœํ† ์ฝœ PPP (Point-to-Point Protocol) - ์ „ํ™”์„  ๊ฐ™์ด ์–‘๋‹จ๊ฐ„ ๋น„๋™๊ธฐ ์ง๋ ฌ ๋งํฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋‘ ์ปดํ“จํ„ฐ๊ฐ„์˜ ํ†ต์‹ ์„ ์ง€์›ํ•˜๋Š” ํ”„๋กœํ† ์ฝœ - TCP/IP๊ธฐ๋ฐ˜ ๋“ฑ์˜ ๋ฐ์ดํ„ฐ ์„œ๋น„์Šค์— ๋งŽ์ด ์ด์šฉ๋จ - ์ ˆ๋Œ€์  ํšŒ์„  ๋งํฌ ํ”„๋กœํ† ์ฝœ ์„ค๋ช… RS-232 - 1962๋…„ EIA์—์„œ ํ‘œ์ค€ํ™”ํ•œ DTE ๋ฐ DCE๊ฐ„ ์ง๋ ฌ(์‹œ๋ฆฌ์–ผ) ์ธํ„ฐํŽ˜์ด์Šค ๊ทœ๊ฒฉ์•ˆ์„ ๋งํ•จ. - ๋ณดํ†ต 15m์ดํ•˜ ๋‹จ๊ฑฐ๋ฆฌ์—์„œ 38400bps๊นŒ์ง€ ์ „์†ก์„ ์œ„ํ•œ ์ง๋ ฌ ์ธํ„ฐํŽ˜์ด์Šค ํ‘œ์ค€๊ทœ๊ฒฉ์œผ๋กœ์จ ํ†ต์ƒ ์ปดํ“จํ„ฐ์™€ ํ„ฐ๋ฏธ๋„ ๋˜๋Š” ์ปด ํ“จํ„ฐ์™€ ๋ชจ๋Ž€ ๋“ฑ ๋‹ค์–‘ํ•œ ๊ธฐ๊ธฐ์™€์˜ ์ ‘์†์— ์‚ฌ์šฉ๋จ X.25 / X.21 - CCITT์—์„œ DTE๋กœ ๋ช…๋ช…ํ•œ ์‚ฌ์šฉ์ž ์ปดํ“จํ„ฐ์™€ DCE๋กœ ๋ช…๋ช…๋œ ํ†ต์‹ ํšŒ์‚ฌ ์žฅ๋น„ ์‚ฌ์ด์—์„œ ์‹ ํ˜ธ๋“ค์„ ๊ตํ™˜ํ•จ์œผ๋กœ์จ ํ†ต์‹ ์˜ ์‹œ์ž‘ ์ด๋‚˜ ์ข…๋ฃŒ๋ฅผ ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ๊ทœ์ •ํ•˜๊ณ  ์žˆ์Œ - X.25๋Š” ํŒจํ‚ท๊ตํ™˜๋ง์— ๋Œ€ํ•œ ์•ก์„ธ์Šค ํ‘œ์ค€ - X.21์€ ํšŒ์„ ๊ตํ™˜๋ง์— ๋Œ€ํ•œ ์•ก์„ธ์Šค ํ‘œ์ค€ ๋ณด๊ธฐ๋งŒ ํ•ด๋„ ์•„์ฐ”ํ•œ ํ†ต์‹  ํ”„๋กœํ† ์ฝœ์˜ ์ข…๋ฅ˜๋“ค
  • 30.
  • 31. ์ง€ํ‚ค๊ณ  ์‹ถ์ง€ ์•Š์œผ๋ฉด ์•ˆ์ง€์ผœ๋„ ๋ผ ์•ˆ ์ง€ํ‚ค๋ฉด ์–ด์ฐจํ”ผ ์•ˆ ๋ฐ›์„๊บผ๋‹ˆ๊นŒ ^^
  • 35. โ€ข RFC-2068 โ€ข RFC-2616 โ€ข RFC-7230 ~ 7235 HTTP 1.1๊ด€๋ จ RFC ๋ฌธ์„œ
  • 39. Start Line ์š”์ฒญ์ผ๋•Œ Methode SP Request target(path) SP HTTP version CRLF ์‘๋‹ต์ผ๋•Œ
  • 40. Start Line ์š”์ฒญ์ผ๋•Œ Methode SP Request target(path) SP HTTP version CRLF ์‘๋‹ต์ผ๋•Œ HTTP version SP Status-code SP Response phrase CRLF
  • 41. โ€ข fi eld-name ":" OWS fi eld-value OWS โ€ข ์ž„์˜์˜ header๋ฅผ ์ถ”๊ฐ€ ๊ฐ€๋Šฅ (์ด์ „, ์ž„์˜์˜ header๋Š” x-๋ฅผ ๋ถ™์˜€์—ˆ์ง€๋งŒ ํ•ด๋‹น ๊ทœ์น™์€ ํ˜„์žฌ ์‚ญ์ œ๋จ) โ€ข ์ผ๋ฐ˜์ ์œผ๋กœ ๋ฐ”๋”” ๋‚ด์šฉ, ๋ฐ”๋”” ํฌ๊ธฐ, ์ธ์ฝ”๋”ฉ ์—ฌ๋ถ€, ์ธ์ฆ, ํด๋ผ์ด์–ธํŠธ ์ • ๋ณด ๋“ฑ์„ ์ฃผ๊ณ  ๋ฐ›๊ธฐ ์œ„ํ•ด์„œ ์‚ฌ์šฉ Header ์ „์†ก์— ํ•„์š”ํ•œ ๋ชจ๋“  ๋ถ€๊ฐ€์ •๋ณด๋ฅผ ํฌํ•จ(๋„ˆ๋ฌด ๋งŽ์•„์„œ ๊ตฌ๊ธ€๋ง ์ถ”์ฒœ)
  • 42. โ€ข header์™€๋Š” Blank Line ์œผ๋กœ ๊ตฌ๋ถ„ โ€ข Byte๋กœ ํ‘œํ˜„ํ•  ์ˆ˜ ์žˆ๋Š” ๋ชจ๋“  ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ด๋Š” ๊ฒƒ์ด ๊ฐ€๋Šฅ โ€ข Get Methode ์—์„œ body๋Š” ์ƒ๋žต๋  ์ˆ˜ ์žˆ์Œ Body ์ „์†กํ•  ๋ฐ์ดํ„ฐ๋ฅผ ๋‹ด๋Š” ๋ถ€๋ถ„
  • 43.
  • 44. ๋งˆ์ง€๋ง‰ ์ •๋ฆฌ Interface์™€ Protocol์€ ๋„คํŠธ์›Œํฌ๋ฅผ ํ†ตํ•ด ์ •๋ณด๋ฅผ ์ฃผ๊ณ ๋ฐ›๊ธฐ ์œ„ํ•œ ๊ธฐ๋ณธ์ ์ธ ์•ฝ์† Interface๋ž€ ์—”๋“œํฌ์ธํŠธ์˜ ๊ทœ๊ฒฉ๊ณผ ์ธ๋ฐ”์šด๋“œ, ์•„์›ƒ๋ฐ”์šด๋“œ ์ฒ˜๋ฆฌ ๋ฐฉ์‹ Protocol์ด๋ž€ ์‹œ์Šคํ…œ๊ฐ„ ํ†ต์‹ ์„ ์œ„ํ•œ ๊ทœ์•ฝ