[์ปด๋„ค] Ch1.5 Performance: loss, delay, throughput
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๐Ÿ›œ ์ปดํ“จํ„ฐ ๋„คํŠธ์›Œํฌ
Chapter 1.5 : Performance: loss, delay, throughput์ธํ„ฐ๋„ท์„ ํ†ตํ•ด ํŒŒ์ผ์„ ์ „์†กํ•˜๊ณ , ์ด๋ฉ”์ผ์„ ๋ณด๋‚ด๊ณ , ์›น์‚ฌ์ดํŠธ์— ์ ‘์†ํ•˜๋Š” ๋“ฑ ๋‹ค์–‘ํ•œ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. ํ•˜์ง€๋งŒ ์‹ค์ œ ๋„คํŠธ์›Œํฌ ํ™˜๊ฒฝ์—์„œ๋Š” ๋ฐ์ดํ„ฐ๊ฐ€ ์ฆ‰์‹œ ์ „์†ก๋˜๊ฑฐ๋‚˜ ์†์‹ค ์—†์ด ์™„๋ฒฝํ•˜๊ฒŒ ์ „๋‹ฌ๋˜๋Š” ๊ฒƒ์ด ๋ถˆ๊ฐ€๋Šฅํ•˜๋‹ค.ํŒจํ‚ท ์Šค์œ„์นญ ๋„คํŠธ์›Œํฌ๋Š” ๋ฐ์ดํ„ฐ ์ „์†ก ์†๋„๋ฅผ ์ œํ•œํ•˜๊ณ , ์ง€์—ฐ์„ ์œ ๋ฐœํ•˜๋ฉฐ, ๊ฒฝ์šฐ์— ๋”ฐ๋ผ Packet Loss๊ฐ€ ๋˜๊ธฐ๋„ ํ•œ๋‹ค.๐ŸŒฑ Packet delay: four sources1. ์ฒ˜๋ฆฌ ์ง€์—ฐ(Processing Delay) : determine output link- router๊ฐ€ packet์„ ์ˆ˜์‹ ํ•˜๋ฉด ๋จผ์ € packet์˜ header๋ฅผ ํ™•์ธํ•˜๊ณ , ํ•ด๋‹น packet์„ ์–ด๋Š ๊ฒฝ๋กœ๋กœ ๋ณด๋‚ผ์ง€ ๊ฒฐ์ •ํ•œ๋‹ค. (์ด ๋•Œ ์†Œ์š”๋˜๋Š” ์‹œ๊ฐ„์ด ..