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Learn "QUIC" Quickly!
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Fu-ga
September 24, 2021
Programming
0
370
Learn "QUIC" Quickly!
2021.9.24 鹿児島.mkのLTで登壇した時の発表資料です。
QUICというプロトコルについて話しました。
Fu-ga
September 24, 2021
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Transcript
Learn “QUIC” Quickly! 2021.9.24 ࣛࣇౡ.mk
ࣗݾհ Chapter.0
Who am i? ࣗݾհ ▸ ;ʔ͕ ▸ ݱ৬ެһ ৫ͷDXਪਐΛ୲ ▸
FjordBootCampͰRuby/RailsͳͲΛֶश ࠷ऴͷΧϦΩϡϥϜͰࣗ࡞αʔϏε࡞த ▸ ݱࡏɺస৬׆ಈத ▸ ೝఆதຊϚελʔʢࣗশʣ ݹλϯϝϯதຊΛ͜Αͳ͘Ѫ͢ΔRubyist Twitter: @fuga__ch
ͳͥ͜ͷλΠτϧʹͨ͠ͷ͔ Chapter.0-1
Chapter.0-1 ͳͥ͜ͷλΠτϧʹͨ͠ͷ͔ ▸ ϓϩάϥϛϯάΛֶͿதͰɺ͍͔ͭ͘ͷϓϩτίϧΛѻͬͨ HTTPɺSMTP POPͰͷϝʔϧૹड৴ ͳͲ ▸ ͦΕΑΓ͞ΒʹϨΠϠͷϓϩτίϧ͋Δ ଘࡏΓͭͭษڧ͢ΔඞཁੑΛײ͍ͯ͡ͳ͔ͬͨ
▸ ͦΜͳதɺʮ”QUIC”ͱ͍͏৽͍͠ϓϩτίϧ͕Ͱ͖ͨʯهࣄΛಡΜͩ ʮͳΜͩΖ͏ʁʯʮԿ͕มΘΔΜͩΖ͏ʁʯʮτϥϯεϙʔτͬͯʁʯ ษڧͯ͠ΈΑ͏ʂ ൃදͨ͠ΒͬͱཧղͰ͖Δ͔ʂ
”QUIC”ͬͯɺͳʹʁ Chapter.1
Chapter.1 “QUIC”ͬͯɺͳʹʁ ▸ τϥϯεϙʔτʹ͓͚Δ৽͍͠௨৴ϓϩτίϧ ▸ ʮTCPʹऔͬͯΘΔϓϩτίϧʯͱݴΘΕ͍ͯΔ ▸ Google͕WEBͷվળΛओͳతͱͯ͠։ൃ࢝͠Ίͨ ▸ 20215݄ɺIETFʹΑͬͯඪ४Խ͞Εͨ
▸ QUIC্Ͱಈ࡞͢Δͷ͕HTTP/3 τϥϯε ϙʔτʁ ̩̘̥ʁ ̝̩̩̥ʗ̏ʁ
HTTP/2·Ͱͷτϥϯεϙʔτ Chapter.2
Chapter.2 HTTP/2·Ͱͷτϥϯεϙʔτ ▸ σʔλૹͷ৴པੑΛఏڙ͢Δׂ ▸ TCP·ͨUDP͍ͣΕ͔ͷϓϩτίϧͰ௨৴͢Δ ɾσʔλ͕ૹΕ͍ͯΔ͔ ɾҰʹૹ৴Ͱ͖ΔαΠζʹׂʢׂͨ͠1ͭ͋ͨΓͷσʔλ୯Ґʹύέοτʣ ɾσʔλ͕յΕ͍ͯͳ͍͔ ɾॱ൪௨Γʹͳ͍ͬͯΔ͔
Chapter.2 HTTP/2·Ͱͷτϥϯεϙʔτ ▸ σʔλͷશੑΛอূ ▸ ΫϥΠΞϯτ͕ύέοτΛड͚औ͔ͬͨͲ͏͔ΛஞҰ֬ೝ ̩̘̥ ɾίωΫγϣϯͷཱ֬ ɾ3wayϋϯυγΣΠΫ ▸
จॻͷશੑ͕ٻΊΒΕΔσʔλૹʹΘΕΔ ग़యɿhttps://www.infraexpert.com/study/tcpip9.html ɾ࠶ૹ੍ޚɹɾ֬ೝԠɹɾϑϩʔ੍ޚɹɾ੍ޚ
Chapter.2 HTTP/2·Ͱͷτϥϯεϙʔτ ▸ σʔλͷશੑอূ͞Εͳ͍ ▸ ίωΫγϣϯ࠶ૹ੍ޚ͕ͳ͍ɺߴ ̪̙̥ ɾ௨৴தʹσʔλ͕յΕ͍ͯΔ͔Ͳ͏͔֬ೝ͍ͯ͠Δ ▸ ಈըԻ௨ͳͲͷେ༰ྔ͔ͭશੑΛٻΊΒΕͳ͍௨৴ʹར༻
ɾյΕ͍ͯͯɺഁغͯ͠ऴΘΓ ɾΫϥΠΞϯτ͕ύέοτΛड͚औ͔ͬͨͲ͏͔֬ೝ͠ͳ͍
TCP/UDPͷ Chapter.3
Chapter.3 TCP/UDPͷ ▸ ߴԽͷݶք ▸ ϔουΦϒϥΠϯϒϩοΩϯά ઌߦ͢Δύέοτ͕ύέοτϩεͨ͠߹ɺޙଓͷύέοτ͕ಧ͍ͯ͏͜ͱ͕Ͱ͖ͳ͍ ▸ ֦ுੑͷݶք ɾTCPͰ3wayϋϯυγΣΠΫ͕ඞਢͷͨΊɺଓͷཱ֬ʹ͕͔͔࣌ؒΔ
ɾ͞ΒʹɺTLSͷϋϯυγΣΠΫ͋ΔͷͰ༨ܭʹ͕͔͔࣌ؒΔ ɾUDPߴ͕ͩ৴པੑͳ͍ ɾTCPΧʔωϧ(OS)͕ఏڙ͢Δػೳ ɾ৽͍͠ϓϩτίϧ֦ுΛ࡞ͬͯɺϢʔβʔ͕OSΛߋ৽͠ͳ͍ͱద༻͞Εͳ͍ ɾΑͬͯɺϓϩτίϧͷվྑͷαΠΫϧΛૉૣ͘ճ͍ͯ͘͜͠ͱ͕Ͱ͖ͳ͍ Ͱͬͱૣ͘ ͍ͨ͠ΜͩΑʂ
QUICͷొ Chapter.4
Chapter.4 QUICͷొ ▸ TCPʹ૬͢Δ࠶ૹ੍ޚͷ͘͠Έ ▸ ϋϯυγΣΠΫͷݮʹΑΔ௨৴ͷޮԽ ɾτϥϯεϙʔτͱ҉߸ԽͷϋϯυγΣΠΫΛฒྻʹߦ͏ ɾཱ֬·Ͱʹ1ԟ෮͔͔͍ͬͯͨͱ͜Ζɺ1ԟ෮ʹ ▸ ϔουΦϒϥΠϯϒϩοΩϯάͷࢭ
▸ ΞϓϦέʔγϣϯͷҰ෦ͱ࣮ͯ͠ ɾվྑ֦ு͕༰қʹ ex)Webϒϥβ͕Ξοϓσʔτ͞ΕΕQUICΞοϓσʔτ͞ΕΔ ͭ·Γɺɺɺ
CHAPTER.4 QUICͷొ τϥϯεϙʔτʹ͓͚Δͱ՝Λղܾ͠ɺ ߴੑɺ৴པੑͱ֦ுੑΛߴΊͨ৽͍͠ϓϩτίϧ ͦΕ͕ɺɺɺ ̦̪̞̘
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ ͍͔͕Ͱ͔ͨ͠ʁQUICͷ֓ཁ͕ͳΜͱͳʙ͘ɺ͔ͭΊ·͔ͨ͠ʁ ;ʔ͕@fuga__ch