HTTP/2 最速実装 v3

Transcript

1. )551࠷଎࣮૷W
   IUUQESBGUରԠ൛
   
   !TZV@DSFBN
   

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2. ໨࣍
   w )551ͷ؆୯ͳઆ໌
   w )551Yͷ͓͞Β͍
   w )551ͷಛ௃
   w )551࠷଎࣮૷ͷղઆ
   w ࠷௿ݶߦ͏΂͖࣮૷ʹ͍ͭͯ
   w ಈ࡞֬ೝํ๏
   w ֤छࢿྉ
   

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3. )551ͷ
   ؆୯ͳઆ໌
   

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4. )551YͷϦΫΤετ
   w ݪଇDPOOFDUJPOSFRVFTU
   w Ұൠతͳϒϥ΢β͸ಉ࣌ʹίωΫγϣϯ͔͠։͔ͳ͍
   

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5. )551ͷ1JQFMJOJOH
   w ίωΫγϣϯͰෳ਺ϦΫΤετΛ౤͛ΒΕΔ
   w ͨͩ͠ॱংΛकΒͳ͚Ε͹ͳΒͳ͍
   w ͜ͷ੍໿ͷͨΊϨεϙϯε͕ϒϩοΫ͢ΔةݥੑΞϦ )FBEPG-JOF#MPDLJOH
   
   server
   client
   1
   1.,GET,/hoge.gif
   2.,GET,/fuga.html
   3.,GET,/piyo.css
   
   
   
   
   

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6. )551Yͷϔομ
   w ςΩετͰϔομΛ΍ΓऔΓ
   w ϔομͱϘσΟͷ۠੾Γ͸ۭվߦ
   w 6TFS"HBOUͳͲ΄ͱΜͲมΘΒͳ͍ͷʹԿ౓΋ૹ৴͢Δඞཁ͕͋Γɺ৑௕
   (&5)551
   )PTUMPDBMIPTU
   "DDFQU
   $3-'
   
   )5510,
   4FSWFSOHJOY
   %BUF'SJ 4FQ(.5
   $POUFOU5ZQFUFYUIUNM
   $POUFOU-FOHUI
   -BTU.PEJpFE'SJ 4FQ(.5
   $POOFDUJPOLFFQBMJWF
   &5BHBGF
   "DDFQU3BOHFTCZUFT
   $3-'
   
   ϦΫΤετϔομͷྫ Ϩεϙϯεϔομͷྫ
   

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7. )551ͷಛ௃
   w ࿦ཧతͳίωΫγϣϯ ετϦʔϜ
   ʹΑΔฒྻ௨৴
   w ݪଇతʹίωΫγϣϯ͸ຊ͚ͩுΔ
   w ϝοηʔδΛόΠφϦϑϨʔϜͰදݱ
   w ϔομΛಠࣗͷܗࣜͰѹॖ )1"$,
   
   w αʔό͔Βͷࣗൃతͳ௨৴ αʔόϓογϡ
   
   w ετϦʔϜͷ༏ઌ౓෇͚
   

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8. ετϦʔϜ
   w ͭͷίωΫγϣϯ͚ͩுΓɺͦͷ্ͰετϦʔϜΛ։͘
   w )551௨৴͸ετϦʔϜ্ͰߦΘΕΔ
   w ετϦʔϜͷॲཧ͸ϒϩοΫ͠߹Θͳ͍
   w ετϦʔϜʹ͸Ұҙͳ*%͕ৼΒΕΔ
   w ΫϥΠΞϯτ͔Β։͘৔߹ح਺ɺαʔό͔Β։͘৔߹ۮ਺Λ࢖༻
   w 4USFBN*%͸؅ཧ༻ʹ࢖༻͞ΕΔ
   server
   client
   TCP
   HTTP/2
   
   HTTP/20
   HTTP/20
   
   

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9. όΠφϦϑϨʔϜ
   w ϝοηʔδΛόΠφϦͷʮϑϨʔϜʯͰදݱ
   w ϑϨʔϜʹ͸ϔομ͕෇༩͞ΕΔ
   w ϑϨʔϜ௕ɺλΠϓɺϑϥάɺετϦʔϜ*%
   w ϑϨʔϜͷϑΥʔϚοτ͸Լهͷ௨Γ
   

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10. ϑϨʔϜλΠϓ
    w ϑϨʔϜ͸༻్ʹԠͯ͡Լهͷ༷ʹ෼ྨ͞ΕΔ
    w %"5" ϘσΟΛදݱ
    
    w )&"%&34 ϔομΛදݱ
    
    w 13*03*5: ετϦʔϜͷ༏ઌ౓ઃఆ
    
    w 345@453&". ετϦʔϜΛҟৗऴྃ
    
    w 4&55*/(4 ίωΫγϣϯͷઃఆ
    
    w 164)@130.*4& αʔόϓογϡͷ௨஌
    
    w 1*/( ίωΫγϣϯͷࢮ׆֬ೝ
    
    w (0"8": ίωΫγϣϯͷऴྃ௨஌
    
    w 8*/%08@61%"5& ϑϩʔ੍ޚ
    
    w $0/5*/6"5*0/ )&"%&34ʹೲ·Βͳ͍෼ͷϔομͷૹ৴
    
    

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11. ϔομѹॖ
    w )1"$,ͱ͍͏ܗࣜͰѹॖ͞ΕΔ
    w IUUQUPPMTJFUGPSHIUNMESBGUJFUGIUUQCJTIFBEFS
    DPNQSFTTJPO
    w ѹॖํ๏
    w ϔομͷ໊લ΍஋ΛϋϑϚϯූ߸Խ
    w Α͘࢖ΘΕΔϔομͷηοτΛJOEFYͰࢦఆ
    w ҎલૹͬͨϔομΛJOEFYͰࢦఆ
    

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12. )551࠷଎࣮૷ͷ
    ղઆ
    

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13. )551࠷଎࣮૷ͱ͸
    w )551͸Yͱࠩ෼͕ଟ͍
    w ਅ໘໨ʹ࣮૷͍ͯ͠Δͱ͕͔͔࣌ؒΔʜ
    w ࠷௿ݶϦΫΤετ͕ॲཧ͞ΕΔͱ͜Ζ·ͰΛ࣮૷͠Α͏ʂ
    w IUUQTHJUIVCDPNIUUQKQIUUQKQHJUIVCJPXJLJ)551
    &$&'&"&'
    &"&#
    w ΫϥΠΞϯτ͔Β࣮૷ͨ͠ํָ͕
    w ຊࢿྉ΋ΫϥΠΞϯτͷ࣮૷Λ૝ఆͯ͠࡞੒͍ͯ͠·͢
    

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14. ࠷଎࣮૷Ͱ΍Δ΂͖ൣғ
    w όΠφϦϑϨʔϜॲཧ
    w ಛఆछྨͷϑϨʔϜ͚ͩ΍Γ·͢
    w %"5" )&"%&34 4&55*/(4 (0"8":
    w ετϦʔϜ؅ཧ
    w αϘΓ·͢ɻTUSFBNJE͚ͩΛ࢖༻
    w ঢ়ଶ΋؅ཧ͠ͳ͍ɻ͋ΔॱংͰϑϨʔϜ͕དྷΔ͜ͱΛ૝ఆɻ
    w ϔομѹॖ
    w αϘΓ·͢ɻFODPEF͚ͩ͸)1"$,ͷϑΥʔϚοτʹͳΔ΂͘߹Θͤ·͢ɻ
    

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15. ࠷଎࣮૷ʹΑΔ
    ΫϥΠΞϯταʔόͷ΍ΓऔΓ
    server
    client
    0.,$"& %
    1.,Connec0on,Preface(24,octets,),
    2.,,SETTINGS,frame,
    3.,SETTINGS,frameACK
    5.,HEADERS,frame
    !
    6.,HEADERS,frame,(#%)
    7.,DATA,frame,(#%)
    8.,GOAWAY,frame,
    4.,ACK
    

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16. ϓϩτίϧ
    ωΰγΤʔγϣϯ
    w )551Λ࢖͏ࣄΛDMJFOUTFSWFSؒͰͲ͏ܾఆ͢Δ͔ʁ
    w ਅ໘໨ʹ΍Δ৔߹
    w IUUQTͳΒ5-4/1/PS5-4"-1/
    w IUUQͳΒ6QHSBEF "MU4WD
    w ࠷଎࣮૷Ͱ͸%JSFDU ωΰγΤʔγϣϯ͠ͳ͍
    Ͱߦ͖·͢
    w ૬ख͕)551͠Ό΂ΕΔ૝ఆͰ௨৴
    

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17. $POOFDUJPO1SFGBDF
    w )551ηογϣϯ։࢝࣌ʹΦΫςοτͷจࣈྻΛૹ৴
    w 13*)551aSaOaSaO4.aSaOaSaOz
    w )551YͰ͸l13*ϝιου͕དྷͨzͱղऍ͞ΕΔ
    w )551͠Ό΂Εͳ͍αʔόʹૣظʹηογϣϯΛ੾ͬͯ໯͑Δ
    !
    w ࢀߟIUUQTVNNFSXJOEKQEPDTESBGUJFUGIUUQCJTIUUQ
    TFDUJPO
    

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18. 4&55*/(4GSBNF
    w ίωΫγϣϯશମʹؔΘΔઃఆΛ΍ΓऔΓ͢Δ
    w αʔόϓογϡڐՄɺಉ࣌ετϦʔϜͷ࠷େ਺ͳͲ
    w ϖΠϩʔυ͸ۭ ϑϨʔϜͷMFOHUI
    Ͱ΋Α͍
    w ϖΠϩʔυͷϑΥʔϚοτ͸Լهͷ௨Γ
    !
    w ࢀߟIUUQTVNNFSXJOEKQEPDTESBGUJFUGIUUQCJTIUUQTFDUJPO
    

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19. 4&55*/(4GSBNF "$,
    
    w 4&55*/(4डऔଆ͸"$,Λฦ͢ඞཁ͕͋Δ
    w ϑϨʔϜϔομͷϑϥάͰYΛཱͯΔ
    w ϖΠϩʔυ͸ۭʹ͢Δ
    !
    w ࢀߟIUUQTVNNFSXJOEKQEPDTESBGUJFUG
    IUUQCJTIUUQTFDUJPO
    

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20. )&"%&34 ϦΫΤετ
    
    w ϦΫΤετϔομΛૹ৴
    w )FBEFS#MPDL'SBHNFOUҎ֎೚ҙ
    w )FBEFS#MPDL'SBHNFOU͸)1"$,ͷܗࣜʹΤϯίʔυ͢Δ ޙड़
    
    !
    w ࢀߟIUUQTVNNFSXJOEKQEPDTESBGUJFUGIUUQCJTIUUQTFDUJPO
    

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21. )1"$,
    w )551ͷϔομѹॖܗࣜ
    w IUUQUPPMTJFUGPSHIUNMESBGUJFUGIUUQCJTIFBEFS
    DPNQSFTTJPO
    w ࠷଎࣮૷Ͱ͸-JUFSBM)FBEFS'JFMEXJUIPVU*OEFYJOHΛ࢖༻
    w ϋϑϚϯූ߸ԽɺΠϯσΫγϯάΛߦΘͳ͍
    w ඞਢͷϔομ͕͋ΔͷͰͦΕ͸ؚ·ͤΔ͜ͱ
    w ϦΫΤετͰ͸NFUIPE TDIFNF BVUIPSJUZ QBUI
    w ϨεϙϯεͰ͸TUBUVT
    

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22. )1"$,ΤϯίʔυͷΠϝʔδ
    w ϑΥʔϚοτ͸ࠨԼͷਤͷ௨Γ
    w )͸ϋϑϚϯූ߸Խϑϥάɻʹ͓ͯ͘͠
    w -FOHUIͷ
    ͸೚ҙ௕ɻࠓճ͸Ϗοτʹೲ·Δ૝ఆͰ࣮૷ɻ
    w ਅ໘໨ʹ࣮૷͢ΔͳΒ*OUFHFS3FQSFTFOUBUJPOΛࢀর
    w 4USJOHͷ෦෼͸"4$**ίʔυΛೖΕΔ
    w /BNF͕lNFUIPEzɺ7BMVF͕l(&5zͷ৔߹ɺӈͷΠϝʔδͷΑ͏ʹ͢Δ
    -JUFSBM)FBEFS'JFMEXJUIPVU*OEFYJOHϑΥʔϚοτ
    
    cccccc
    
    ccc
    
    clNFUIPEzc
    
    ccc
    
    cl(&5zc
    
    ΤϯίʔυޙͷΠϝʔδ
    4USJOH෦෼͸࣮ࡍʹ͸จࣈྻ෼ͷPDUFUΛ࢖༻
    
    

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23. )&"%&34 Ϩεϙϯε
    
    w ϨεϙϯεϔομΛड৴
    w ϖΠϩʔυ͸)1"$,ͷΤϯίʔυͱٯͷ࣮૷Λॻ͚͹0,
    w ͨͩ͠૬ख͕ϋϑϚϯූ߸ɺΠϯσΫγϯάͯ͘͠ΔՄೳੑ͋Γ
    w ࠷଎Ͱ͸࣮૷ΛαϘΓ·͠ΐ͏X
    w ϑϨʔϜͷ-FOHUI෼͚ͩόοϑΝΛಡΈඈ͹ͦ͏ɻɻɻ
    w ༨༟͕͋Ε͹࣮૷ͯ͠Έ͍ͯͩ͘͞
    

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24. %"5" Ϩεϙϯε
    
    w ϨεϙϯεϘσΟΛड৴
    w ϖΠϩʔυ͸%BUB
    ͷ෦෼͚ͩΛ૝ఆ
    w όοϑΝΛͻͨ͢ΒಡΈग़͚ͩ͢Ͱ0,
    w ϨεϙϯεϘσΟ͕ςΩετͳΒɺͦͷ··ग़ྗͯ͠ΈΑ͏ʂ
    

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25. (0"8":
    w ηογϣϯऴྃΛ௨஌͢Δ
    w -BTU4USFBN*%ɺ&SSPS$PEF
    w "EEJUJJPOBM%FCVH%BUB͸ෆཁ
    !
    w ࢀߟIUUQTVNNFSXJOEKQEPDTESBGUJFUGIUUQCJTIUUQ
    TFDUJPO
    

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26. ͜͜·ͰͰ͖Ε͹࠷଎࣮૷
    ׬ྃͰ͢
    ͓ർΕ͞·Ͱͨ͠
    
    

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27. ಈ࡞֬ೝํ๏
    w ΫϥΠΞϯτΛ࣮૷͢Δ৔߹
    w 1VCMJD5FTU4FSWFSΛ࢖͏
    w IUUQTOHIUUQPSH
    w OHIUUQEΛ࢖͏ %PDLFSJNBHF༻ҙ͠·ͨ͠
    
    w ࠷଎࣮૷αʔόΛ࢖͏
    w αʔόΛ࣮૷͢Δ৔߹
    w OHIUUQ ΫϥΠΞϯτ࣮૷
    Λ࢖͏ %PDLFSJNBHF༻ҙ͠·ͨ͠
    
    w ࠷଎࣮૷ΫϥΠΞϯτΛ࢖͏
    

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28. OHIUUQ༻%PDLFSJNBHF
    w OHIUUQ࢖͑Δ%PDLFSJNBHF༻ҙ͠·ͨ͠
    w ࢖༻ํ๏
    w EPDLFSQVMMTZVDSFBNOHIUUQI
    w EPDLFSSVOJQUTZVDSFBN
    OHIUUQICJOCBTI
    w ίϯςφ಺
    OHIUUQEWŠOPUMT
    

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29. ࠷଎࣮૷ྫ
    w ࠷଎࣮૷ͯ͠Έ·ͨ͠ɻࢀߟʹ͍ͯͩ͘͠͞ɻ
    w IUUQTHJUIVCDPNTZVDSFBN
    .JOJNVN)551
    

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30. ࢀߟࢿྉ
    w IUUQESBGU೔ຊޠ༁
    w IUUQTVNNFSXJOEKQEPDTESBGUJFUGIUUQCJTIUUQ
    w )1"$,ESBGU
    w IUUQUPPMTJFUGPSHIUNMESBGUJFUGIUUQCJTIFBEFS
    DPNQSFTTJPO
    w )551ϋοΧιϯୈҰճɺୈೋճͷࢿྉ
    w IUUQXXXTMJEFTIBSFOFU,BPSV.BFEBIUUQTJNQMF
    w IUUQXXXTMJEFTIBSFOFU:PTIJIJSP*XBOBHBIUUQ
    

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31. ൃల՝୊
    w ࠷଎࣮૷͕ऴΘͬͨΒԼه΋௅ઓͯ͠ΈͯԼ͍͞
    w )1"$,FODPEFSEFDPEFSϑϧ࣮૷
    w ετϦʔϜͷঢ়ଶ؅ཧ
    w ଞλΠϓͷϑϨʔϜॲཧ࣮૷
    

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