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NTP(Network Time Protocol)์˜ ์ดํ•ด

NTP์—์„œ ์‹œ๊ฐ„์˜ ์˜๋ฏธ NTP์˜ Response Time์€ ์•„๋ž˜์™€ ๊ฐ™์€ ์˜๋ฏธ๋ฅผ ๊ฐ€์ง„๋‹ค orig_timestamp(Originate Timestamp)-T1: Time at the client when the request departed for the server, in NTP timestamp format. recv_timestamp(Receive Timestamp)-T2: Time at the server when the request arrived from the client, in NTP timestamp format. tx_timestamp(Transmit Timestamp)-T3: Time at the server when the response left for the client, in NTP timestamp format. dest_timestamp(Destination Timestamp)-T4: Time at the client when the reply arrived from the server, in NTP timestamp format....

August 15, 2022 ยท 3 min ยท 555 words ยท Me

1. Introduction - Machine Learning for Graphs

1.1 Why Graphs ์™œ ๊ทธ๋ž˜ํ”„์ธ๊ฐ€? ๊ทธ๋ž˜ํ”„๋Š” ์ƒํ˜ธ๊ฐ„์˜ ์—ฐ๊ด€๊ด€๊ณ„๋ฅผ ๊ฐ€์ง„ ๊ฐœ์ฒด๋ฅผ ๋ถ„์„ํ•˜๊ณ  ์„ค๋ช…ํ•˜๊ธฐ ์œ„ํ•œ ํ‘œํ˜„์ด๊ธฐ ๋•Œ๋ฌธ์— ๋‹ค๋ฅธ ๋ฐ์ดํ„ฐ์— ๋น„ํ•ด ์—ฐ๊ด€๊ด€๊ณ„ ๋ถ„์„์— ์žฅ์ ์„ ๊ฐ€์ง„๋‹ค. ๊ทธ๋ ‡๋‹ค๋ฉด, ๊ด€๊ณ„ํ˜• ๊ตฌ์กฐ์—์„œ ๋” ๋‚˜์€ ์˜ˆ์ธก(prediction)์„ ํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” ์–ด๋–ป๊ฒŒ ํ•ด์•ผ ํ•˜๋Š”๊ฐ€? ๋ณต์žกํ•œ ๋ถ„์•ผ(domain)์—์„œ๋Š” ๋‹ค์ฑ„๋กœ์šด(๋ณต์žกํ•œ) ๊ด€๊ณ„ํ˜• ๊ตฌ์กฐ๋ฅผ ๊ฐ€์ง€๋ฉฐ, ์ด๊ฒƒ์€ relational graph๋กœ ํ‘œํ˜„ํ•  ์ˆ˜ ์žˆ๋‹ค. โ†’ explicitly modeling relationship์€ ๋” ๋‚˜์€ ์„ฑ๋Šฅ์„ ํ™•๋ณดํ•  ์ˆ˜ ์žˆ๋‹ค. (๋ฌธ์ œ์ ) ์ตœ๊ทผ์˜ ๋”ฅ๋Ÿฌ๋‹์€ ํ…์ŠคํŠธ๋‚˜ ์ด๋ฏธ์ง€์™€ ๊ฐ™์ด ๊ฐ„๋‹จํ•œ ์‹œํ€€์Šค๋‚˜ ๊ทธ๋ฆฌ๋“œ๋ฅผ ์œ„ํ•ด ์„ค๊ณ„๋˜์—ˆ๋‹ค. ํ•˜์ง€๋งŒ, ๋ชจ๋“  ๋ฐ์ดํ„ฐ๊ฐ€ ์‹œํ€€์Šค๋‚˜ ๊ทธ๋ฆฌ๋“œ๋กœ ํ‘œํ˜„๋  ์ˆ˜ ์žˆ๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋‹ค....

3 min ยท 609 words ยท Me