Home > Network > 2024 > ๐ŸŒ[Network] LAN์ด ํ•ฉ์ณ์ ธ์„œ WAN์ด ๋˜๋Š”๊ฑธ๊นŒ?

๐ŸŒ[Network] LAN์ด ํ•ฉ์ณ์ ธ์„œ WAN์ด ๋˜๋Š”๊ฑธ๊นŒ?
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๐ŸŒ[Network] LAN์ด ํ•ฉ์ณ์ ธ์„œ WAN์ด ๋˜๋Š”๊ฑธ๊นŒ?

  • ๋„คํŠธ์›Œํฌ ๊ฐœ๋…์—์„œ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์ด WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์œผ๋กœ ๋‹จ์ˆœํžˆ ํ•ฉ์ณ์ง€๋Š” ๊ฒƒ์€ ์•„๋‹™๋‹ˆ๋‹ค.
    • LAN๊ณผ WAN์€ ์„œ๋กœ ๋‹ค๋ฅธ ๊ทœ๋ชจ์™€ ๊ธฐ๋Šฅ์„ ๊ฐ€์ง„ ๋„คํŠธ์›Œํฌ ์œ ํ˜•์ด๋ฉฐ, ๊ทธ ๊ด€๊ณ„๋Š” ๋‹จ์ˆœํ•œ ๊ฒฐํ•ฉ ์ด์ƒ์˜ ๊ฐœ๋…์ž…๋‹ˆ๋‹ค.

1๏ธโƒฃ LAN๊ณผ WAN์˜ ์ฐจ์ด์™€ ๊ด€๊ณ„.

1๏ธโƒฃ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)

  • LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์€ ์ง€๋ฆฌ์  ๋ฒ”์œ„(์˜ˆ: ์ง‘, ์‚ฌ๋ฌด์‹ค, ํ•™๊ต) ๋‚ด์—์„œ ์ปดํ“จํ„ฐ, ํ”„๋ฆฐํ„ฐ, ์„œ๋ฒ„ ๋“ฑ ์žฅ์น˜๋“ค์„ ์—ฐ๊ฒฐํ•˜๋Š” ๋„คํŠธ์›Œํฌ์ž…๋‹ˆ๋‹ค.
  • ๊ณ ์† ๋ฐ์ดํ„ฐ ์ „์†ก์„ ์ œ๊ณตํ•˜๋ฉฐ, ์ฃผ๋กœ ์ด๋”๋„ท(Ethernet) ๋˜๋Š” Wi-Fi๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์žฅ์น˜ ๊ฐ„์˜ ํ†ต์‹ ์„ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค.

2๏ธโƒฃ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)

  • WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์€ ๋„“์€ ์ง€๋ฆฌ์  ๋ฒ”์œ„(์˜ˆ: ์—ฌ๋Ÿฌ ๋„์‹œ, ๊ตญ๊ฐ€, ์‹ฌ์ง€์–ด ์ „ ์„ธ๊ณ„)๋ฅผ ์ปค๋ฒ„ํ•˜๋Š” ๋„คํŠธ์›Œํฌ์ž…๋‹ˆ๋‹ค.
  • WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์€ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)๋ณด๋‹ค ๋Š๋ฆด ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์—ฌ๋Ÿฌ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ ์—ฐ๊ฒฐํ•˜์—ฌ ์›๊ฑฐ๋ฆฌ ํ†ต์‹ ์„ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค.
  • WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์€ ISP(Internet Service Provider, ์ธํ„ฐ๋„ท ์„œ๋น„์Šค ์ œ๊ณต์—…์ฒด) ๋˜๋Š” ์ „์šฉ์„ ์„ ํ†ตํ•ด ์—ฐ๊ฒฐ๋˜๋ฉฐ, ๋„คํŠธ์›Œํฌ ์žฅ์น˜ ๊ฐ„์˜ ๋ฌผ๋ฆฌ์  ๊ฑฐ๋ฆฌ๊ฐ€ ๋งค์šฐ ๋ฉ€ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๐Ÿ™‹โ€โ™‚๏ธ WAN(Wide Area Network)์ด๋ž€ ๋ฌด์—‡์ผ๊นŒ์š”?
๐Ÿ™‹โ€โ™‚๏ธ ์ด๋”๋„ท(Ethernet)์ด๋ž€ ๋ฌด์—‡์ผ๊นŒ์š”?
๐Ÿ™‹โ€โ™‚๏ธ LAN(Local Area Network)์ด๋ž€ ๋ฌด์—‡์ผ๊นŒ์š”?

2๏ธโƒฃ LAN๊ณผ WAN์˜ ๊ด€๊ณ„.

๐Ÿ‘‰ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์ด WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์— ์—ฐ๊ฒฐ๋œ๋‹ค.

  • ์—ฌ๋Ÿฌ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์œผ๋กœ ์—ฐ๊ฒฐํ•˜์—ฌ ๊ด‘๋ฒ”์œ„ํ•œ ๋„คํŠธ์›Œํฌ๋ฅผ ํ˜•์„ฑํ•ฉ๋‹ˆ๋‹ค.
    • ์˜ˆ๋ฅผ ๋“ค์–ด, ํ•œ ๊ธฐ์—…์˜ ๊ฐ ์ง€์‚ฌ(๊ฐ ์ง€์‚ฌ๋Š” LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ ํ˜•์„ฑ)๋ฅผ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์„ ํ†ตํ•ด ์—ฐ๊ฒฐํ•˜์—ฌ ๋ณธ์‚ฌ์™€ ๋‹ค๋ฅธ ์ง€์‚ฌ ๊ฐ„์— ํ†ต์‹ ํ•  ์ˆ˜ ์žˆ๊ฒŒ ํ•ฉ๋‹ˆ๋‹ค.

๐Ÿ‘‰ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์€ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ ํฌํ•จํ•  ์ˆ˜ ์žˆ๋‹ค.

  • WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์€ ์—ฌ๋Ÿฌ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ ํฌํ•จํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
    • ์ฆ‰, WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์˜ ์ผ๋ถ€๋Š” ์—ฌ๋Ÿฌ ๊ฐœ์˜ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ ์—ฐ๊ฒฐํ•˜์—ฌ, ์ „์„ธ๊ณ„์— ๋ถ„์‚ฐ๋œ ์žฅ์น˜๋“ค์ด ์„œ๋กœ ํ†ต์‹ ํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋งŒ๋“ญ๋‹ˆ๋‹ค.

3๏ธโƒฃ ์˜ˆ์‹œ

1๏ธโƒฃ ํšŒ์‚ฌ ๋„คํŠธ์›Œํฌ.

  • ํ•œ ํšŒ์‚ฌ๊ฐ€ ์„œ์šธ, ๋ถ€์‚ฐ, ๋‰ด์š•์— ์ง€์‚ฌ๋ฅผ ๋‘๊ณ  ์žˆ๋‹ค๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค.
    • ๊ฐ ์ง€์‚ฌ๋Š” ์ž์ฒด์ ์ธ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ ๊ฐ€์ง€๊ณ  ์žˆ๋Š”๋ฐ, ์ด LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์€ ์ง€์‚ฌ ๋‚ด์˜ ์ปดํ“จํ„ฐ, ํ”„๋ฆฐํ„ฐ, ์„œ๋ฒ„ ๋“ฑ์„ ์—ฐ๊ฒฐํ•ฉ๋‹ˆ๋‹ค.

  • ๊ฐ ์ง€์‚ฌ๋Š” WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์„ ํ†ตํ•ด ๋ณธ์‚ฌ์™€ ๋‹ค๋ฅธ ์ง€์‚ฌ๋“ค๊ณผ ์—ฐ๊ฒฐ๋ฉ๋‹ˆ๋‹ค.
    • WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์„ ํ†ตํ•ด ์„œ์šธ ์ง€์‚ฌ์˜ ์ง์›์ด ๋ถ€์‚ฐ ์ง€์‚ฌ์˜ ์„œ๋ฒ„์— ์ ‘๊ทผํ•˜๊ฑฐ๋‚˜, ๋‰ด์š• ์ง€์‚ฌ์™€ ํŒŒ์ผ์„ ๊ณต์œ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

2๏ธโƒฃ ์ธํ„ฐ๋„ท(Internet).

  • ์ธํ„ฐ๋„ท(Internet)์€ ์„ธ๊ณ„ ์ตœ๋Œ€์˜ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์œผ๋กœ, ์—ฌ๋Ÿฌ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)๊ณผ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์„ ์—ฐ๊ฒฐํ•˜์—ฌ ์ „ ์„ธ๊ณ„์˜ ์ปดํ“จํ„ฐ๋“ค์ด ์„œ๋กœ ํ†ต์‹ ํ•  ์ˆ˜ ์žˆ๋„๋ก ๋งŒ๋“ญ๋‹ˆ๋‹ค.
    • ๋‚ด๊ฐ€ ์ง‘์—์„œ ์ธํ„ฐ๋„ท์— ์ ‘์†ํ•˜๋Š” ๊ฒฝ์šฐ, ์ง‘์˜ LAN(์˜ˆ: Wi-Fi ๋„คํŠธ์›Œํฌ)์ด ์ธํ„ฐ๋„ท(WAN, Wide Area Network)์„ ํ†ตํ•ด ์ „ ์„ธ๊ณ„์˜ ๋‹ค๋ฅธ ์ปดํ“จํ„ฐ์™€ ์—ฐ๊ฒฐ๋ฉ๋‹ˆ๋‹ค.

4๏ธโƒฃ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์˜ ๊ตฌํ˜„ ๋ฐฉ๋ฒ•.

  • WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์„ ๊ตฌํ˜„ํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ISP(Internet Service Provider, ์ธํ„ฐ๋„ท ์„œ๋น„์Šค ์ œ๊ณต์ž), ์œ„์„ฑ ๋งํฌ, ์ „์šฉ์„ , ๊ด‘์„ฌ์œ  ๋“ฑ์˜ ๊ธฐ์ˆ ์ด ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
    • LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์€ ์ผ๋ฐ˜์ ์œผ๋กœ ์Šค์œ„์น˜, ๋ผ์šฐํ„ฐ, ์ผ€์ด๋ธ”์„ ํ†ตํ•ด ์„ค์ •๋˜์ง€๋งŒ, WAN(Wide Area Network)์€ ํ›จ์”ฌ ๋” ๋ณต์žกํ•œ ๊ธฐ์ˆ  ์ธํ”„๋ผ๋ฅผ ํ•„์š”๋กœ ํ•ฉ๋‹ˆ๋‹ค.
  • VPN(๊ฐ€์ƒ ์‚ฌ์„ค๋ง)๋„ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์„ ๊ตฌ์ถ•ํ•˜๋Š” ๋ฐฉ๋ฒ• ์ค‘ ํ•˜๋‚˜๋กœ, ์—ฌ๋Ÿฌ LAN์„ ๊ณต์šฉ ๋„คํŠธ์›Œํฌ(์ธํ„ฐ๋„ท, Internet)๋ฅผ ํ†ตํ•ด ์•ˆ์ „ํ•˜๊ฒŒ ์—ฐ๊ฒฐํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•ด์ค๋‹ˆ๋‹ค.

5๏ธโƒฃ ๊ฒฐ๋ก .

  • LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์ด ์—ฌ๋Ÿฌ๊ฐœ ํ•ฉ์ณ์ ธ์„œ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์ด ๋˜๋Š” ๊ฒƒ์€ ์•„๋‹™๋‹ˆ๋‹ค.
    • ๊ทธ๋Ÿฌ๋‚˜ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์€ WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์˜ ์ผ๋ถ€๊ฐ€ ๋  ์ˆ˜ ์žˆ์œผ๋ฉฐ, WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์€ ์—ฌ๋Ÿฌ LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์„ ์—ฐ๊ฒฐํ•˜์—ฌ ๊ด‘๋ฒ”์œ„ํ•œ ํ†ต์‹ ๋ง์„ ํ˜•์„ฑํ•ฉ๋‹ˆ๋‹ค.
  • WAN(Wide Area Network, ๊ด‘์—ญ ํ†ต์‹ ๋ง)์€ ์ฃผ๋กœ ๋จผ ๊ฑฐ๋ฆฌ์˜ ๋„คํŠธ์›Œํฌ๋ฅผ ์—ฐ๊ฒฐํ•˜๊ธฐ ์œ„ํ•œ ๊ฒƒ์ด๊ณ , LAN(Local Area Network, ๊ทผ๊ฑฐ๋ฆฌ ํ†ต์‹ ๋ง)์€ ๊ฐ€๊นŒ์šด ๊ฑฐ๋ฆฌ์—์„œ ํšจ์œจ์ ์œผ๋กœ ์ž์›์„ ๊ณต์œ ํ•˜๊ณ  ๋ฐ์ดํ„ฐ๋ฅผ ์ „์†กํ•˜๊ธฐ ์œ„ํ•ด ์„ค๊ณ„๋œ ๋„คํŠธ์›Œํฌ์ž…๋‹ˆ๋‹ค.