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์ง€๋‚œ ๋ช‡์‹ญ ๋…„ ๊ฐ„ ์†Œํ”„ํŠธ์›จ์–ด ์‹œ์Šคํ…œ์˜ ์‚ฌ์šฉ์ž ์ˆ˜์™€ ๋ฐ์ดํ„ฐ ์–‘์€ ๊พธ์ค€ํžˆ ์ฆ๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์ด๋ ‡๊ฒŒ ์‹œ์Šคํ…œ์ด ์ปค์ง€๋ฉด์„œ ๋ฐœ์ƒํ•˜๋Š” ๋ฌธ์ œ๋“ค์„ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ์ˆ˜๋งŽ์€ ๊ธฐ์ˆ ์ด ์ƒ๊ฒจ๋‚ฌ์ฃ . ์‚ฌ์šฉ์ž ๋ถ€ํ•˜๋ฅผ ์—ฌ๋Ÿฌ ์„œ๋ฒ„์— ๋ถ„์‚ฐ์‹œ์ผœ ์ฃผ๋Š” ๋กœ๋“œ ๋ฐธ๋Ÿฐ์„œ(Load Balancer), ๋ฐ์ดํ„ฐ์— ๋น ๋ฅด๊ฒŒ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ๋„๋ก ์ž์ฃผ ์‚ฌ์šฉ๋˜๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์ž„์‹œ๋กœ ์ €์žฅํ•˜๋Š” ์บ์‹œ(Cache), ์ด๋ฏธ์ง€๊ฐ€ ๋น ๋ฅด๊ฒŒ ๋กœ๋”ฉ๋  ์ˆ˜ ์žˆ๋„๋ก ์‚ฌ์šฉ์ž ๊ทผ์ฒ˜์˜ ์„œ๋ฒ„์— ์ €์žฅํ•˜๋Š” ์ฝ˜ํ…์ธ  ์ „์†ก ๋„คํŠธ์›Œํฌ(CDN) ๋“ฑ ๋‹ค์–‘ํ•œ ๊ธฐ์ˆ ์ด ์žˆ์Šต๋‹ˆ๋‹ค.ย ์‹œ์Šคํ…œ ์„ค๊ณ„ ๋ฉด์ ‘์—์„œ๋Š” ์ด๋Ÿฐ ๊ธฐ์ˆ ์„ ์ž˜ ํ™œ์šฉํ•ด์„œ ์‹ ๋ขฐ์„ฑ, ํ™•์žฅ์„ฑ, ์œ ์ง€๋ณด์ˆ˜์„ฑ์ด ๋†’์€ ์‹œ์Šคํ…œ์„ ์„ค๊ณ„ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์‹œ์Šคํ…œ ์„ค๊ณ„ ๋ฉด์ ‘์„ ์ค€๋น„ํ•  ๋•Œ๋Š” ์•„๋ž˜ 2๋‹จ๊ณ„๋ฅผ ๋”ฐ๋ผ ๊ณต๋ถ€ํ•˜์‹œ๋Š” ๊ฒƒ์„ ์ถ”์ฒœ๋“œ๋ฆฝ๋‹ˆ๋‹ค. 1. ์‹œ์Šคํ…œ ์„ค๊ณ„ ๊ธฐ๋ณธ ๋‹ค์ง€๊ธฐ - ์‹œ์ค‘์— ์–ด๋–ค ๊ธฐ์ˆ ๋“ค์ด ์žˆ๊ณ , ๊ฐ ๊ธฐ์ˆ ์„ ์–ด๋–จ ๋•Œ ์‚ฌ์šฉํ•˜๋Š”์ง€. 2. ์ผ€์ด์Šค ์Šคํ„ฐ๋””๋ฅผ ํ†ตํ•ด ์‹ค์ œ ์‚ฌ์šฉ ์‚ฌ๋ก€ ๋ถ„์„ํ•ด ๋ณด๊ธฐ - ์‹ค์ œ ํšŒ์‚ฌ์—์„œ ์–ด๋–ค ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ์–ด๋–ค ๊ธฐ์ˆ ์„ ์‚ฌ์šฉํ–ˆ๋Š”์ง€. ๐Ÿ“šย ์‹œ์Šคํ…œ ์„ค๊ณ„ ๊ณต๋ถ€๋ฅผ ์œ„ํ•œ ์ถ”์ฒœ ์ž๋ฃŒ ๋„์„œ - ๋ฐ์ดํ„ฐ ์ค‘์‹ฌ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์„ค๊ณ„ (์›์ œ: Designing Data-Intensive Applications): https://search.shopping.naver.com/book/catalog/32466573690 - ๊ฐ€์ƒ ๋ฉด์ ‘ ์‚ฌ๋ก€๋กœ ๋ฐฐ์šฐ๋Š” ๋Œ€๊ทœ๋ชจ ์‹œ์Šคํ…œ ์„ค๊ณ„ ๊ธฐ์ดˆ (์›์ œ: System Design Interview: An Insider's Guide): https://search.shopping.naver.com/book/catalog/32485737619 ์˜จ๋ผ์ธ ์ž๋ฃŒ (์˜๋ฌธ) - Grokking the System Design Interview: https://designgurus.org/course/grokking-the-system-design-interview - Deep Dive into System Design Interview: https://www.educative.io/path/deep-dive-into-system-design-interview - The System Design Primer: https://github.com/donnemartin/system-design-primer ์ผ€์ด์Šค ์Šคํ„ฐ๋”” (์˜๋ฌธ) ย  - InfoQ (๊ฐœ๋ฐœ ์ปจํผ๋Ÿฐ์Šค QCon ๋ฐœํ‘œ ์˜์ƒ ๋ฐ ๊ธฐํƒ€ ์ž๋ฃŒ ๋ชจ์Œ): https://www.infoq.com/architecture/presentations - ์ด์™ธ์—๋„ ์œ ํŠœ๋ธŒ๋‚˜ ๊ฐ ์ปจํผ๋Ÿฐ์Šค ์‚ฌ์ดํŠธ์— ๊ณต์œ ๋œ ์˜์ƒ ๋ฐ ์Šฌ๋ผ์ด๋“œ ๐Ÿ’กย ์‹œ์Šคํ…œ ์„ค๊ณ„ ๋ฉด์ ‘์„ ์œ„ํ•œ 6๊ฐ€์ง€ ํŒ 1. ์„ค๊ณ„๋ฅผ ์‹œ์ž‘ํ•˜๊ธฐ ์ „์— ์ถฉ๋ถ„ํ•œ ์งˆ๋ฌธ์„ ํ†ตํ•ด ์š”๊ตฌ์‚ฌํ•ญ์„ ์ •ํ™•ํžˆ ์ดํ•ดํ•˜์„ธ์š”. 2. ์„ค๊ณ„ ๋ฒ”์œ„๋ฅผ ๋„“๊ณ  ์–•๊ฒŒ ์žก์„์ง€, ๋˜๋Š” ์–ด๋А ํŠน์ • ์˜์—ญ์— ์ง‘์ค‘ํ•ด์„œ ๋ณผ์ง€ ๋ฉด์ ‘๊ด€๊ณผ ์ƒ์˜ํ•˜์„ธ์š”. 3. ๋Œ€๋žต์ ์ธ ์„ค๊ณ„์•ˆ์„ ์ œ์‹œํ•œ ๋’ค, ์ƒ์„ธํ•œ ์„ค๊ณ„๋กœ ๋“ค์–ด๊ฐ€๋Š” ํ๋ฆ„์ด ์ข‹์Šต๋‹ˆ๋‹ค. 4. ๋ณธ์ธ์ด ์ž์‹  ์žˆ๋Š” ๋ถ€๋ถ„์— ์ข€ ๋” ์ง‘์ค‘ํ•ด์„œ ์„ค๋ช…ํ•˜์…”๋„ ๋ฉ๋‹ˆ๋‹ค. 5. ๊ฐ€๋Šฅํ•˜๋‹ค๋ฉด ๋‘ ๊ฐœ ์ด์ƒ์˜ ์„ค๊ณ„์•ˆ์„ ์ œ์‹œํ•˜๊ณ , ๊ฐ ์„ค๊ณ„์•ˆ์˜ ์žฅ๋‹จ์ ์„ ๋น„๊ตํ•ด ๋ณด์„ธ์š”. 6. ๋™๋ฃŒ์™€ ํ•จ๊ป˜ ์„ค๊ณ„ํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•˜๊ณ  ๋Š์ž„์—†์ด ์†Œํ†ตํ•˜๋ฉด์„œ ์ง„ํ–‰ํ•˜์„ธ์š”. ์‚ฌ์‹ค ์‹œ์Šคํ…œ ์„ค๊ณ„ ์‹ค๋ ฅ์€ ๋‹จ๊ธฐ๊ฐ„์˜ ์ค€๋น„๋กœ ํ™• ๋Œ์–ด์˜ฌ๋ฆฌ๊ธด ์–ด๋ ต์Šต๋‹ˆ๋‹ค. ๊พธ์ค€ํ•œ ๊ณต๋ถ€์™€ ์‹ค์ œ ์—…๋ฌด์—์„œ์˜ ๊ฒฝํ—˜์ด ํ•ฉ์ณ์ ธ์„œ ์กฐ๊ธˆ์”ฉ ๋…ธํ•˜์šฐ๊ฐ€ ์Œ“์ด๊ฒŒ ๋˜์ฃ . ํ•˜์ง€๋งŒ ์ œ๋Œ€๋กœ ์‹œ์Šคํ…œ ์„ค๊ณ„ ์ง€์‹์„ ์Œ“์•„ ๋†“์œผ๋ฉด ๋ฉด์ ‘ ์ƒํ™ฉ ์™ธ์— ํ‰์†Œ ์—…๋ฌด์—์„œ๋„ ๋งŽ์€ ๋„์›€์ด ๋˜๋‹ˆ, ํฌ๊ธฐํ•˜์ง€ ๋ง๊ณ  ๊พธ์ค€ํžˆ ๊ณต๋ถ€ํ•˜์‹œ๊ธธ ๋ฐ”๋ž๋‹ˆ๋‹ค! ๐Ÿ“” ํ•จ๊ป˜ ์ฝ์–ด๋ณด๋ฉด ์ข‹์€ ๊ธ€ - ์†Œํ”„ํŠธ์›จ์–ด ์‹œ์Šคํ…œ ์„ค๊ณ„ ์‹œ ๊ณ ๋ คํ•  ์„ธ ๊ฐ€์ง€: https://careerly.co.kr/comments/67065 ์œ„ ๋‚ด์šฉ์€ ์ €์˜ ๋ธŒ๋Ÿฐ์น˜ ๊ธ€ ์˜ ์ผ๋ถ€๋ฅผ ์ •๋ฆฌํ•œ ๋‚ด์šฉ์ž…๋‹ˆ๋‹ค.

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