入門QUIC

1. ೖ໳
   26*$ খ໺
   ً໵
2. index w26*$ͱ͸
   w26*$ͷϞνϕʔγϣϯ
    5$1ͷෆຬ఺
    26*$ͷΰʔϧ
    )P-ϒϩοΩϯάʹ͍ͭͯ
   w26*$ͷৄࡉ
   w26*$ͷ՝୊ͱ͜Ε͔Β 2
3. index w26*$ͱ͸
   w26*$ͷϞνϕʔγϣϯ
    5$1ͷෆຬ఺
    26*$ͷΰʔϧ
    )P-ϒϩοΩϯάʹ͍ͭͯ
   w26*$ͷৄࡉ
   w26*$ͷ՝୊ͱ͜Ε͔Β 3
4. QUICͱ͸ʢ1/2ʣ wτϥϯεϙʔτϓϩτίϧͷͭ
    ʮ͍ͬ͘͘ʯ
    ུޠͰ͸ͳ͍
    6%1ͷ্Ͱಈ࡞
    ίωΫγϣϯܕͷϓϩτίϧ
    5$1 5-4૬౰ͷػೳΛ࣋ͭ
    ओʹ8FCͰར༻͞ΕΔ 4 ग़య
   <>
5. QUICͱ͸ʢ2/2ʣ w੒Γཱͪͱݱঢ়
    (PPHMF͕೥ʹൃද H26*$
    ͦͷޙ*&5'
   8PSLJOH
   HSPVQ͕ൃ଍ɽඪ४Խ΁ʢJ26*$ʣ
    H26*$͸$ISPNFͱ(PPHMFαʔόؒͷ൒෼Ҏ্ͷίωΫγϣϯͰ ར༻͞Ε͍ͯΔɽ
    J26*$͸υϥϑτͷWFSTJPO͕
   ࠷৽
   w େ࿮͸ܾ·͍ͬͯͯɼࡉ͔ͳमਖ਼͕ଓ͍͍ͯΔ 5 ग़యɿ
   IUUQTUPPMTJFUGPSHIUNMESBGUJFUGRVJDUSBOTQPSU
6. index w26*$ͱ͸
   w26*$ͷϞνϕʔγϣϯ
    5$1ͷෆຬ఺
    26*$ͷΰʔϧ
    )P-ϒϩοΩϯάʹ͍ͭͯ
   w26*$ͷৄࡉ
   w26*$ͷ՝୊ͱ͜Ε͔Β 6
7. QUICͷϞνϕʔγϣϯ w8FCΞϓϦέʔγϣϯʹର͢Δཁٻͷଟ༷Խ
    ஗Ԇཁٻ͕ݫ͍͠
    ҉߸Խ
   wར༻Ͱ͖Δϓϩτίϧ
    5$1 5-4
   w ෆຬ఺͕৭ʑ͋ͬͨʢޙड़ʣ 7 5$1 5-4ʹมΘΔ৽ͨͳϓϩτίϧΛ࡞Γɼ8FCͰ࢖͓͏ʂ
8. TCPʹର͢Δෆຬ఺ʢ1/2ʣ wϓϩτίϧมߋʹ൐͏ࠔ೉
    ϛυϧϘοΫεʹΑΔӨڹΛड͚Δ
   w ະରԠͷϑΝΠΞ΢Υʔϧʹःஅ͞ΕΔ͔΋
   w /"5ʢ/FUXPSL
   "EESFTT
   5SBOTMBUJPOʣ΁ͷαϙʔτ͕ඞཁ͔΋
   wߋ৽ʹ൐͏ࠔ೉
    5$1ͩͱΞοϓσʔτͷࡍɼ04Χʔωϧ͝ͱΞοϓσʔτ͢Δඞ ཁ͕͋Δ 8
9. TCPʹର͢Δෆຬ఺ʢ2/2ʣ wϋϯυγΣΠΫʹ͔͔Δ஗Ԇ
    5$1
   IBOETIBLF 355
   5-4
   IBOETIBLF 355
   w 5-4ʹ͸355Έ͍ͨͳͷ͕͋Δ͚Ͳ
   w)FBE
   PG
   -JOFϒϩοΩϯά
    ͋Δύέοτ͕ԿΒ͔ͷཧ༝Ͱಧ͔ͳ͍ͱ͖ɼޙଓͷύέοτ͕ ଴ͨ͞ΕΔݱ৅
    5$1Ͱ͸ύέοτϩε࣌ʹൃੜ͠ɼ௨৴඼࣭௿Լʹܨ͕Δ
   w zύέοτz͸ɼ5$1ηάϝϯτɼ)551ϝοηʔδͳͲ
   w ৄ͘͠͸ޙड़ 9 ग़య
   
   IUUQTIQCODPUSBOTQPSUMBZFSTFDVSJUZUMTUMTIBOETIBLF
   
   'JHVSF
   
10. QUICͷΰʔϧ wσϓϩΠ͕؆୯
     ϛυϧϘοΫε͔Βड͚ΔӨڹΛ࠷খݶʹ͍ͨ͠
    wߋ৽͕؆୯
     04ΧʔωϧͷΞοϓσʔτແ͠ͰɼϓϩτίϧͷΞοϓσʔτΛ ߦ͍͍ͨ
    wϋϯυγΣΠΫͷ஗Ԇ͕খ͍͞
    w)P-ϒϩοΩϯάͷӨڹΛड͚ͮΒ͍ 10
11. ΰʔϧ1ɿσϓϩΠ͕؆୯ w6%1্Ͱಈ࡞ͤ͞Δ
     ϢʔβʔۭؒͰಈ࡞͢Δʢ5$1
    6%1͸ҰൠతʹΧʔωϧۭؒʣ
     ϓϩτίϧͷΞοϓάϨʔυʹ൐͏04ͷΞοϓάϨʔυ͸ඞཁͳ ͍
     ߴ଎ͳ։ൃαΠΫϧΛճ͢͜ͱ͕Մೳ
    wϔομͷେ෦෼Λ҉߸Խ͢Δ
     ϑΝΠΞ΢Υʔϧ΍/"5ͳͲͷϛυϧϘοΫε͔Βड͚ΔӨڹΛ ࠷খԽ
    w ϛυϧϘοΫε͸26*$ύέοτͷେ෦෼ΛݟΔ͜ͱ͕Ͱ͖ͳ͍
    w ϛυϧϘοΫε͕ରԠ͍ͯ͠ͳ͍͔Β26*$Λ࢖͑ͳ͍ɼΞοϓάϨʔυͰ͖ͳ͍ͱ͍͏ࣄଶΛ ๷͍Ͱ͍Δɽ 11
12. ΰʔϧ2ɿϋϯυγΣΠΫͷ஗Ԇ͕খ͍͞ w355ͰϋϯυγΣΠΫ
     5-4ͷϋϯυγΣΠΫʹ૬౰
     ʢΫϥΠΞϯτʣαʔόূ໌ॻͷݕূ
     ʢΫϥΠΞϯτɼαʔόʣ伴ަ׵ 12 ग़య
    IUUQTHJUIVCDPNqBOPZVLJIUUQOPUFCMPCNBTUFSIUUQOPUF@QEG
13. ΰʔϧ3ɿHoLϒϩοΩϯάͷӨڹΛड͚ͮΒ͍ wίωΫγϣϯதʹෳ਺ͷετϦʔϜΛੜ੒
     ετϦʔϜ͕5$1ͷετϦʔϜʹ૬౰͢Δ
     ֤ετϦʔϜ͸ಠཱ͍ͯ͠Δ
     ͋ΔετϦʔϜதͷσʔλ͕ಧ͔ͳͯ͘΋ɼผͷετϦʔϜΛྲྀ ΕΔσʔλ͸ϒϩοΫ͞Εͳ͍ 13 ΤϯυϙΠϯτ ΤϯυϙΠϯτ 26*$ετϦʔϜ 26*$ίωΫγϣϯ
14. HoLϒϩοΩϯάͷྺ࢙ʢ1/8ʣ w)551
     ϦΫΤετʹର͢ΔϨεϙϯε͕ฦͬͯ͜ͳ͍ͱɼ
    ࣍ͷϦΫΤετΛൃߦͰ͖ͳ͍
     8FCϖʔδͷ֎෦ϦιʔεಡΈࠐΈ
    ʢJNH΍TDSJQUʣʹ͕͔͔࣌ؒΔ
    w ͜ΕΒͷϦιʔεશͯΛॱ൪ʹʢ௚ྻʹʣऔಘ͢Δ 14
15. HoLϒϩοΩϯάͷྺ࢙ʢ2/8ʣ w)551 1JQFMJOJOH
     Ϩεϙϯε͕ฦΒͳ͍͏ͪʹ࣍ͷϦΫΤετΛൃߦͰ͖Δ֦ு
     )551ͷ࢓্༷ɼϨεϙϯεॱং͸ಉظ͠ͳ͍ͱ͍͚ͳ͍
    w /൪໨ͷϨεϙϯε͕ະ౸ୡͷ࣌ɼ/ʴ൪໨ͷϨεϙϯε͕ಧ͍͍ͯͯ΋ɼ্Ґ૚ʹ౉͞Εͣʹ଴ػ
    ʢ)551ʹ͓͚Δ)P-#ʣ
     1JQFMJOJOH͸ଟ͘ͷϒϥ΢βͰແޮʹ͞Εͯ͠·ͬͨ
    w ଟ͘ͷϓϩΩγ͕ରԠ͍ͯ͠ͳ͍ɼͳͲͷཧ༝ 15
16. HoLϒϩοΩϯάͷྺ࢙ʢ4/8ʣ w)551
    
    ෳ਺ίωΫγϣϯ
     5$1ίωΫγϣϯΛෳ਺ுΔɼ೴ےͳ΍Γํ
     ίωΫγϣϯ਺͚ͩฒྻʹऔಘͰ͖Δ
    w $ISPNFͰͭ΄ͲίωΫγϣϯΛுΔΒ͍͠
     ιέοτͷແବɼαʔό΁ͷෛՙ૿
     ίωΫγϣϯ͝ͱʹ᫔᫓੍ޚ͞ΕΔͷͰɼίωΫγϣϯ͋ͨΓͷ ੑೳΛϑϧʹൃشͰ͖ͳ͍
    w ͦΕͧΕͷίωΫγϣϯ͕ଳҬΛޓ͍ʹୣ͍߹͏ঢ়ଶ 16
17. HoLϒϩοΩϯάͷྺ࢙ʢ5/8ʣ w)551
     )551ϨΠϠΛଟॏԽ͢Δ͜ͱͰɼγϯάϧ5$1ίωΫγϣϯͰ͋Γͳ͕Β
    ϦΫΤετΛฒྻʹൃߦͰ͖Δ
    w ϖʔδಡΈࠐΈ࣌ؒͷ୹ॖʹ੒ޭʂ
     ଟॏԽ
    ϦΫΤετɼϨεϙϯεͷ૊͝ͱʹҟͳΔ*%Λ෇༩ͯ͠ɼίωΫγϣϯதʹྲྀ͢
    w )551͸ɼϦΫΤετ͝ͱʹ*%͕ͳ͔ͬͨ
    w ΫϥΠΞϯτ͕౤͛ͨϦΫΤετʹରԠ͢ΔϨεϙϯεΛࣝผ͢Δํ๏͸ͳ͔ͬͨ
    w ͦͷͨΊɼʮϨεϙϯε͸શͯ௚લʹൃߦͨ͠ϦΫΤετʹରԠ͢Δʯͱ͢Δ͔͠ͳ͍ 17 ग़య
    
    IUUQTEFWFMPQFSTHPPHMFDPNXFCGVOEBNFOUBMTQFSGPSNBODFIUUQ
18. HoLϒϩοΩϯάͷྺ࢙ʢ6/8ʣ w)551
     5$1ύέοτ͕ϩεͨ͠৔߹ɼ࠶ૹ଴͕ͪੜ͡Δ
     ͜ͷ࣌ɼผͷ*%Λ࣋ͬͨ)551ϨεϙϯεʢΛӡͿ5$1ύέοτʣ
    ΋ϒϩοΫ͞ΕΔʢ5$1ͷ)P-#ʣ
    w γϯάϧίωΫγϣϯ͔ͩΒ
    w Ͱ΋ɼ͜ͷϨεϙϯε͸ϩεͨ͠Ϩεϙϯεͱ͸ؔ܎ͳ͍ 18 )551ʹΑΔ)P-#
    ग़య
    IUUQTEPDTHPPHMFDPNQSFTFOUBUJPOE-4/$$W#JKBCOO4#CX3MNH/IO1')#Z&99QULQSFTFOU TMJEFJEHBGCEFC@
19. HoLϒϩοΩϯάͷྺ࢙ʢ7/8ʣ w26*$
     τϥϯεϙʔτϨϕϧͰଟॏԽͷ࢓૊ΈΛಋೖ
     ͋ΔετϦʔϜͰύέϩε͕ൃੜͯ͠΋ɼผͷετϦʔϜʹ͸Ө ڹ͠ͳ͍
    w ύέϩε͕ൃੜͨ͠ετϦʔϜ͸ϒϩοΫ͕ى͜Δʢ)P-#͕ͳ͘ͳΔΘ͚Ͱ͸ͳ͍ʣ 19 26*$ʹΑΔ)P-#ͷ཈੍
    ग़యɿIUUQTEPDTHPPHMFDPNQSFTFOUBUJPOE
    -4/$$W#JKBCOO4#CX3MNH/IO1')#Z&99QULQSFTFOU TMJEFJEHBGCEFC@
20. HoLϒϩοΩϯάͷྺ࢙ʢ8/8ʣ w)551
     26*$ΛτϥϯεϙʔτϨΠϠʹར༻͢Δ)551
     )551ͱಉ͘͡ɼϦΫΤετϨεϙϯεͷ૊ʹ*%ΛׂΓ౰ͯΔ ͕ɼͦΕʹ26*$Λར༻͢Δɽ
     )551ͷܽ఺͕ղܾʂ 20 26*$ʹΑΔ)P-#ͷ཈੍
    ग़యɿIUUQTEPDTHPPHMFDPNQSFTFOUBUJPOE
    -4/$$W#JKBCOO4#CX3MNH/IO1')#Z&99QULQSFTFOU TMJEFJEHBGCEFC@
21. ΰʔϧ3ɿHoLϒϩοΩϯάͷӨڹΛड͚ͮΒ͍ʢ࠶ܝʣ wίωΫγϣϯதʹෳ਺ͷετϦʔϜΛੜ੒
     ετϦʔϜ͕5$1ͷετϦʔϜʹ૬౰͢Δ
     ֤ετϦʔϜ͸ಠཱ͍ͯ͠Δ
     ͋ΔετϦʔϜதͷσʔλ͕ಧ͔ͳͯ͘΋ɼผͷετϦʔϜΛྲྀ ΕΔσʔλ͸ϒϩοΫ͞Εͳ͍ 21 ΤϯυϙΠϯτ ΤϯυϙΠϯτ 26*$ετϦʔϜ 26*$ίωΫγϣϯ
22. QUICͷΰʔϧͱୡ੒ख๏·ͱΊ wσϓϩΠ͕؆୯
     ϔομͷ҉߸ԽͰϛυϧϘοΫε͔ΒৄࡉΛӅṭ͢Δ
    wߋ৽͕؆୯
     6%1ͷ্ʹϢʔβεϖʔεͰಈ࡞͢Δϓϩτίϧͱ࣮ͯ͠૷
    wϋϯυγΣΠΫͷ஗Ԇ͕খ͍͞
     5$1ͱ5-4Ͱผʑʹߦ͍ͬͯͨϋϯυγΣΠΫΛͭʹ·ͱΊͨ
    w)P-ϒϩοΩϯάͷӨڹΛड͚ͮΒ͍
     ετϦʔϜʹΑΔଟॏԽ 22
23. index w26*$ͱ͸
    w26*$ͷϞνϕʔγϣϯ
     5$1ͷෆຬ఺
     26*$ͷΰʔϧ
     )P-ϒϩοΩϯάʹ͍ͭͯ
    w26*$ͷৄࡉ
    w26*$ͷ՝୊ͱ͜Ε͔Β 23
24. QUICͷ༻ޠ w26*$ίωΫγϣϯ
     26*$Ͱ௨৴Λߦ͏ࡍɼ࠷ॳʹߏ੒͢ΔԾ૝తͳ௨৴࿏
     *%ׂ͕Γ౰ͯΒΕɼϚΠάϨʔγϣϯ͕Մೳ
    w ճઢͷ੾Γସ͑΍/"5ϦόΠϯσΟϯά͕ىͬͯ͜΋ɼίωΫγϣϯΛ࡞Γ௚͢ඞཁ͕ͳ͍
    w26*$ύέοτ
     6%1ύέοτʹ֨ೲ͞ΕΔ
    w26*$ϑϨʔϜ
     26*$ύέοτʹ֨ೲ͞ΕΔɼ26*$ͷ࠷খ୯Ґ
     ໾ׂ͝ͱʹ໊લͱϑΥʔϚοτ͕ܾΊΒΕ͍ͯΔ
    w ΞϓϦέʔγϣϯ૚σʔλʢϖΠϩʔυʣૹ৴༻ͷϑϨʔϜˠ453&".ϑϨʔϜ
    w "$,Λ఻͑ΔͨΊͷϑϨʔϜˠ"$,ϑϨʔϜ
    w26*$ετϦʔϜ
     26*$ίωΫγϣϯ্ʹଟॏԽ͞ΕΔɼԾ૝తͳ௨৴࿏ɼ
     ࠶ૹ੍ޚɼϑϩʔ੍ޚͳͲ5$1ετϦʔϜͱࣅͨΑ͏ͳػೳΛ࣋ͭ
     ϖΠϩʔυ͸ετϦʔϜΛྲྀΕΔ 24
25. QUICύέοτ wछྨͷύέοτϔομ
     ϩϯάϔομʔύέοτɿίωΫγϣϯཱ֬࣌ʹ࢖ΘΕΔ
     γϣʔτϔομʔύέοτɿίωΫγϣϯཱ֬ޙʹ࢖ΘΕΔ 25 ग़యɿ
    IUUQTUPPMTJFUGPSHIUNMESBGUJFUGRVJDUSBOTQPSU
26. QUICύέοτ wύέοτφϯόʔ
     ૹ৴ύέοτ͝ͱʹՃࢉ͞ΕΔ஋
     ύέϩεͷ൑அͳͲʹར༻͞ΕΔ
    w "$,͕ฦͬͯ͜ͳ͍ύέοτφϯόʔ͕ϩεͨ͠
     ࠶ૹύέοτͰ͋ͬͯ΋Ճࢉ͞ΕΔ 26
27. QUIC͸ϩεݕग़͕ΑΓγϯϓϧʹ wύέοτ*%ͱϖΠϩʔυΦϑηοτͷ෼཭
     26*$͸ϖΠϩʔυͷόΠτΦϑηοτΛύέϩε൑ఆʹ
    ར༻͠ͳ͍
    w 5$1͸֬ೝԠ౴൪߸ʢϖΠϩʔυͷόΠτΦϑηοτʣΛར༻͍ͯͨ͠
    w 5$1ΫϥΠΞϯτ͕ύέϩε൑ఆΛͯ͠࠶ૹͨ͠ޙɼ"$,͕ฦ͖ͬͯͨɼ͜ͷ"$,͸ɼͲͷૹ৴ύέοτʹର͢Δ"$,ͩΖ͏͔ʁ
    w ͜ͷ৔߹ɼ355Λਖ਼֬ʹਪଌͰ͖ͳ͘ͳΔ
    
    350 3FUSBOTNJTTJPO
    5JNFPVU ͷܾఆ͕ࠔ೉ʹ 27
28. QUICϑϨʔϜ wશ෦Ͱछྨ
     ϑϨʔϜ͝ͱʹಛఆͷ໾ׂ͕͋Δ
    w ϖΠϩʔυૹ৴༻ʢ453&".ϑϨʔϜʣ
    w γάφϧɼͦͷଞͷσʔλૹ৴༻ʢͦͷଞʣ
     ಠࣗͷϑϨʔϜΛఆ֦ٛͯ͠ு͢Δ
    ͜ͱ΋Մೳ 28 ग़యɿ
    IUUQTUPPMTJFUGPSHIUNMESBGUJFUGRVJDUSBOTQPSU
29. QUICͦͷଞͷػೳ wϑϩʔ੍ޚ
     ௨৴૬खͷड৴΢Οϯυ΢͕ᷓΕͳ͍Α͏ʹྲྀྔΛ੍ޚ͢Δػೳ
     ֤ετϦʔϜͱίωΫγϣϯͷ྆ํͷϨϕϧͰߦΘΕΔ
    w᫔᫓੍ޚ
     ωοτϫʔΫͷ᫔᫓͕ى͜Βͳ͍Α͏ྲྀྔΛ੍ޚ͢Δػೳ
     &$/
    &YQMJDJU
    $POHFTUJPO
    /PUJpDBUJPOʢ໌ࣔత᫔᫓௨஌ʣͷ
    αϙʔτ
    w ᫔᫓࣌ɼωοτϫʔΫϊʔυ͕*1ϔομʹରͯ͠ϑϥάΛཱͯɼϗετʹ᫔᫓Λ௨஌͢Δ 29
30. Real World QUIC w26*$ͱݱ࣮ͷΠϯλʔωοτ
     ೥
    $ISPNFʹ26*$αϙʔτ௥ՃʢσϑΥϧτͰ0''ʣ
     ೥
    ΄Ͳͷ$ISPNFϢʔβʹରͯ͠σϑΥϧτͰ༗ޮԽ
     ೥
    ΄΅શͯͷ$ISPNFϢʔβͱ"OESPJE
    :PV5VCF
    BQQͰ༗ޮԽ 30
31. Real World QUIC wݕࡧ଴ͪ࣌ؒʹର͢ΔධՁ
     ݕࡧ༻ޠΛೖྗ͔ͯ͠Βɼશͯͷίϯςϯπ͕දࣔ͞ΕΔ·Ͱͷ࣌ؒ
    wͦͷଞͷධՁ
     :PV5VCF
    w ϏσΦ࠶ੜ଴ͪ࣌ؒ ΄Ͳͷվળ
    w ϑϦʔζ࣌ؒ ˋ΄Ͳͷվળ
     355ʹର͢ΔධՁ
    w ৄ͘͠͸࿦จͰ 31
32. index w26*$ͱ͸
    w26*$ͷϞνϕʔγϣϯ
     5$1ͷෆຬ఺
     26*$ͷΰʔϧ
     )P-ϒϩοΩϯάʹ͍ͭͯ
    w26*$ͷৄࡉ
    w26*$ͷ՝୊ͱ͜Ε͔Β 32
33. QUICͷ՝୊ɼݒ೦఺ wߴ͍$16࢖༻཰
     5$1 5-4ͷ໿ഒ
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    wར༻Ͱ͖ͳ͍
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    w (PPHMFͷܭଌ࣮ݧͷ෼ੳ݁Ռ͔ΒɼશମͷͰ26*$͕ϒϩοΫ͞Ε͍ͯΔ
    w اۀωοτϫʔΫͷதʹ͍Δ৔߹͕ଟ͍ 33
34. QUICͷ͜Ε͔Β wݱࡏ͸Wͷ࢓༷ݕ౼த
     ඪ४Խ·Ͱͷ࣌ؒΛ୹ॖ͢ΔͨΊɼ8FC༻్ʹݶఆ͠ػೳ΋ߜͬ ͍ͯΔ
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     )551ετϦʔϜͷ༏ઌ౓੍ޚ
     %/4
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35. ·ͱΊ w26*$ͷಛ௃͸ͭ
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    w26*$͸͍͍ͧ
     5$1ʹ͋ͬͨ΋Ζ΋Ζͷ՝୊Λ͏·͘ղܾ͍ͯ͠Δͱ͜Ζ͕͋ͬ ͯ໘ന͍ 35
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     36