Past, Present and Futures of CDN @ CDN Study (http2study)

2018年4月13日に開催されたCDN Study (http2study)のAkamai 岡本の発表です。Akamaiのキャッシュのパージは5秒で、Cache Taggingという仕組みをもってタグベースでパージの粒度をコントロール可能なんですよ (当日言えなかった)。
https://http2study.connpass.com/event/81469/

Akamai 塲田の発表は以下。
https://www.slideshare.net/ToshiyaBata1/cdn-study-in-http2study-by-bata

Akamai Tech Summit
日時：2018/6/21（木）10:00~18:00
場所：Akamai Technologies 東京オフィス (京橋)
レジストレーションサイト：4/27オープン予定

Transcript

1. ©2018 AKAMAI | FASTER FORWARDTM
   Past, Present and Futures of CDN
   @CDN Study (http2study)
   Hideki Okamoto Akamai Technologies
   April 13, 2018
   

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2. ©2018 AKAMAI | FASTER FORWARDTM
   The opinions expressed in this slide are my own and do not
   express the positions, strategies or opinions of
   

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3. ©2018 AKAMAI | FASTER FORWARDTM
   Ԭຊ ӳًʢ͓͔΋ͱ ͻͰ͖ʣ
   "LBNBJ5FDIOPMPHJFT(,4FOJPS&OHBHFNFOU.BOBHFS $*441
   IUUQTUVEZྺ
   ͸͡Ίͯ
   ٳ೔ͷա͝͠ํ
   ϲ݄લ͔Β͸͡ΊͨτϥϯϓϚδοΫͷ࿅शɾύϯ࡞Γ
   

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4. ©2018 AKAMAI | FASTER FORWARDTM
   $%/ͷաڈͱݱࡏ
   

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5. ©2018 AKAMAI | FASTER FORWARDTM
   ೥ɺ Πϯλʔωοτ͕௚໘͢ΔͰ͋Ζ͏՝୊Λ5JN#FSOFST-FF͕ࢦఠ
   “Tim was interested in issues with the Internet and the web, and he foresaw there
   would be problems with congestion. Hot spots, flash crowds, … and that the
   centralized model of distributing content would be facing challenges. He was right.
   There were considerable challenges and it was simply not going to scale. He
   presented an ideal problem for me and my group to work on.”
   Tom Leighton (CEO & Co-Founder of Akamai Technologies)
   ςΟϜ͸Πϯλʔωοτ΍8FCͷ໰୊ʹ͍ͭͯڵຯΛ͍࣋ͬͯͯɺΠϯλʔωοτͷ
   ࠞࡶ͕໰୊ʹͳΔ͜ͱΛ༧ݟ͍ͯͨ͠ɻϗοτεϙοτɺϑϥογϡΫϥ΢υɺͦ͠
   ͯίϯςϯπ഑৴ͷதԝूݖϞσϧ͕ࠔ೉ʹ௚໘͢ΔͰ͋Ζ͏ͱɻ൴͸ਖ਼͔ͬͨ͠ɻ
   Πϯλʔωοτͱ͍͏΋ͷ͸୯७ʹ͸εέʔϧ͠ͳ͍ͱ͍͏େ͖ͳ໰୊͕͋ͬͨɻ൴
   ͸ࢲͷνʔϜʹཧ૝తͳ໰୊Λఏڙͯ͘͠ΕͨΜͩ
   

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6. ©2018 AKAMAI | FASTER FORWARDTM
   http://as2914.net/
   

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7. ©2018 AKAMAI | FASTER FORWARDTM
   

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8. ©2018 AKAMAI | FASTER FORWARDTM
   

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9. ©2018 AKAMAI | FASTER FORWARDTM
   ೥ɺ 4UBS8BST&QJTPEF*5IF1IBOUPN.FOBDF༧ࠂฤެ։
   In 24 hours it was downloaded more than a million times. In the first five days, it was
   downloaded 3.5 million times, soaring to 6.4 million within three weeks. Steve Jobs
   himself described the second trailer as "the biggest Internet download event in
   history".
   Richard Trenholm (CNN)
   ͦΕ͸࠷ॳͷ࣌ؒͰສճҎ্ɺ೔ؒͰສճɺिؒͰສճ΋μ΢ϯ
   ϩʔυ͞ΕͨɻεςΟʔϒɾδϣϒζ͸͜ͷ༧ࠂฤެ։ʹ͍ͭͯʮྺ্࢙࠷େͷΠϯ
   λʔωοτμ΢ϯϩʔυΠϕϯτʯͱදݱͨ͠
   

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10. ©2018 AKAMAI | FASTER FORWARDTM
    https://www.youtube.com/watch?v=qJZ846YkK78
    

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11. ©2018 AKAMAI | FASTER FORWARDTM
    2004: US Election Day - 21 Gbps
    2008: Major Golf Tournament - 444 Gbps
    2012: Super Bowl - 1.4 Tbps
    2014: FIFA World Cup - 6.9 Tbps
    2016: UEFA Euro 2016 - 7.3 Tbps
    2016: Rio Summer Olympics - 4.5 Tbps
    2018.4.11:
    Indian Premier League – 5.5M concurrent viewer
    

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12. ©2018 AKAMAI | FASTER FORWARDTM
    $%/ͷجຊతͳΞΠσΞ
    Πϯλʔωοτ͸ෆ҆ఆͩ͠ɺେྔͷΞΫηεΛ͞͹͘ͷ͕େม
    ͩͱ͍͏ͳΒɺϢʔβʔʹۙ͘ʹϑΝΠϧͷίϐʔΛஔ͍͓͚ͯ
    ͹͍͍ͷͰ͸
    

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13. ©2018 AKAMAI | FASTER FORWARDTM
    Web/Application servers
    Reverse proxy
    Client
    The internet
    Πϯλʔωοτͷ&EHF ˠ
    

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14. ©2018 AKAMAI | FASTER FORWARDTM
    Akamaiͷ࢓૊Έͷ(΄ΜͷҰ෦)Λ঺հ
    

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15. ©2018 AKAMAI | FASTER FORWARDTM
    ࣄۀ։࢝ 1P1 ˞
    
    Akamai Technologies 1998 1700
    Amazon CloudFront 2008 114
    CDNetworks 2000 200
    Cloudflare 2009 151
    EdgeCast Networks 2006 125
    Fastly 2011 50
    Level 3 Communications (1) 2006 99
    Limelight Networks 2001 80
    ˞೥ͷ4BWWJTࣾങऩΛج४ͱ͍ͯ͠·͢
    ˞ʮ˓˓୆ʯදهʮ˓˓୆Ҏ্ʯදهͷ਺஋͕ࠞࡏ͍ͯ͠·͢
    

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16. ©2018 AKAMAI | FASTER FORWARDTM
    (,'&+',
    #" !$*%)
    

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17. ©2018 AKAMAI | FASTER FORWARDTM
    
    
    

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18. ©2018 AKAMAI | FASTER FORWARDTM
    ϢʔβʔΛͲ͏΍ͬͯ࠷దͳΤοδαʔόʔʹ༠ಋ͢Δͷ͔
    ੈքதʹΤοδαʔόʔ͕ஔ͍ͯ͋Δͱͯ͠ɺϢʔβʔ͸Ͳ͏
    ΍ͬͯ࠷دΓͷΤοδαʔόʔ܈ Ϧʔδϣϯ
    ʹ޲͔͏ͷ͔ɻϢʔ
    βʔ͸Τοδαʔόʔͷ*1ΞυϨεΛ௚઀஌Δ͜ͱ͕Ͱ͖ͳ͍͠ɺ
    63-Λ͍͍ͪͪม͑ΔΘ͚ʹ΋͍͔ͳ͍
    %/4ͷ໊લղܾͷ࣌఺ͰΞΫηεݩʹΑͬͯԠ౴Λಈతʹม͑Δ
    "LBNBJ%ZOBNJD.BQQJOH
    
    U.S. Patent No. 6108703 Global hosting system
    https://www.google.com/patents/US6108703
    2019
    Akamai
    

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19. ©2018 AKAMAI | FASTER FORWARDTM
    ࠷దͳΤοδαʔόʔ܈ͱ͸
    Ͱ͖Δ͚ͩϢʔβʔʹͱͬͯշదͳΤοδαʔόʔ܈ Ϧʔδϣϯ
    
    ʹ༠ಋ͍ͨ͠ɻͲͷΑ͏ʹϦΫΤετΛ෼ࢄ͢΂͖͔ɻ
    $16ʹ༨༟͸͋Δ͕ωοτϫʔΫଳҬ͸ࠞࡶ͍ͯ͠ΔϦʔδϣϯ
    ΍ɺͦͷٯͷঢ়ଶͷϦʔδϣϯ͕ࠞࡏ͍ͯ͠ΔɻͲ͏͢Δ
    ͦͯ͠ɺͰ͖Ε͹Φϑϩʔυ཰΋ߴ͍΄͏͕ྑ͍͕ʜɻ
    • 4UBCMFNBSSJBHFQSPCMFN ҆ఆ݁ࠗ໰୊
    
    • (BMF4IBQMFZΞϧΰϦζϜ
    Algorithmic Nuggets in Content Delivery
    https://www.akamai.com/us/en/multimedia/documents/technical-publication/algorithmic-
    nuggets-in-content-delivery-technical-publication.pdf
    

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20. ©2018 AKAMAI | FASTER FORWARDTM
    Ϧʔδϣϯ಺ͷτϥϑΟοΫ෼ࢄ͸Ͳ͏͢Δ͔
    Ϧʔδϣϯ಺ͷΤοδ͕ࢮΜͩ৔߹͸ʜ
    Πϯλʔωοτͷւఈέʔϒϧ͕੾ΕͨΒͲ͏ͳΔͷ͔
    ෼ࢄܕʹσϝϦοτ͸ͳ͍ͷ
    ͕࣌ؒͳ͍ͷͰׂѪ
    5-%3
    ௒෼ࢄܕϓϥοτϑΥʔϜͷΞʔΩςΫνϟ͸ͱͯ΋໘ന͍
    

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21. ©2018 AKAMAI | FASTER FORWARDTM
    "LBNBJͷΤοδαʔόʔ
    • ߴػೳͳಠࣗ։ൃ)551αʔόʔ
    • 9.-ϕʔεͷ%4-ͰϩδοΫΛ૊Ή
    • ๲େͳػೳ͕͋ΔͨΊɺ͍ͨ͜͠ͱ͸ݱ৔ͷ
    ΤϯδχΞϨϕϧͰ͔ͳΓͷ͜ͱ͕Ͱ͖Δ
    %4-ɾػೳͷ಺෦υΩϡϝϯτ͕໿
    ϖʔδӳ୯ޠ׵ࢉͰ໿ສޠ
    
    

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22. ©2018 AKAMAI | FASTER FORWARDTM
    
    
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    %(AK_URL)
    
    
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    off
    
    
    
    
    

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23. ©2018 AKAMAI | FASTER FORWARDTM
    ࿩Λ໭ͯ͠
    

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24. ©2018 AKAMAI | FASTER FORWARDTM
    Origin servers Client
    The internet
    Edge Server
    ͜͜Ͱߴ౓ͳॲཧΛ
    ͢Ε͹ྑ͍ͷͰ͸
    

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25. ©2018 AKAMAI | FASTER FORWARDTM
    Πϯλʔωοτͷܦ࿏ͷෆ҆ఆ͞ʹରԠ͍ͨ͠
    44-ηογϣϯ਺͕ଟ͗ͯͭ͢Β͍ͷΛରॲ͍ͨ͠
    αʔόʔ΍ճઢ͕͍ۤ͠ͷͰ੩తϑΝΠϧ഑৴͸·͔͍ͤͨ
    8FCαΠτશମ "1*ΛΩϟογϡ͔Βग़ͯ͠Ԡ౴Λ଎͍ͨ͘͠
    ը૾ɾಈըɾ)5.-ͳͲϖΠϩʔυΛࣗಈతʹ࠷దԽͯ͠΄͍͠
    --ͷ%%P4ରࡦɾ)551΍26*$ରԠɾ#SPUMJରԠ౳ ΍΍௿ϨΠϠʔͷχʔζ΋΋ͪΖΜ͋Δ
    Τοδ ࠷લઢ
    Ͱߴ౓ͳॲཧΛ͢Δ
    $%/Ͱ͔ͨͬͨ͜͠ͱɾ͍ͯ͠Δ͜ͱ
    -%%P4ରࡦ 8"'#PUɾεΫϨΠϐϯάରࡦΛ͍ͨ͠
    

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26. ©2018 AKAMAI | FASTER FORWARDTM
    ೥ɺ&EHF4JEF*ODMVEFTͷ࢓༷ΛࡦఆɾϦϦʔε
    ೥ɺ*#.ͱڞಉͰ&EHF$PNQVUJOH &EHF+BWB
    ΛϦϦʔε ˠ ೥ &0-
    ೥ɺ8FC"QQMJDBUJPO'JSFXBMMϦϦʔε
    ೥ɺ'SPOU&OE0QUJNJ[BUJPOϦϦʔε
    ೥ɺ$MPVEMFU੡඼܈ϦϦʔε
    ೥ɺ#PU.BOBHFSϦϦʔε
    ೥ɺ*NBHF.BOBHFSϦϦʔε ͦΕҎલʹલ਎੡඼͋Γ
    
    ೥ɺ&EHF8PSLFST &EHFͰಈ࡞͢Δ+BWB4DSJQU
    Λ։ൃத
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27. ©2018 AKAMAI | FASTER FORWARDTM
    

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28. ©2018 AKAMAI | FASTER FORWARDTM
    $%/ͷະདྷ
    

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29. ©2018 AKAMAI | FASTER FORWARDTM
    Origin servers
    The internet
    Telco
    Edge Server
    Base station
    Mobile Device
    lΤοδz͸Ͳ͔͜
    ࠷લઢ
    

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30. ©2018 AKAMAI | FASTER FORWARDTM
    http://elijah.cs.cmu.edu/DOCS/satya-edge2016.pdf
    The old axiom about the three top
    determinants of real estate value being
    “location, location, and location.”
    ݹ͍֨ݴᐌ͘ɺෆಈ࢈Ձ஋ΛܾΊΔཁ
    ҼɺͦΕ͸ཱ஍ɺཱ஍ɺཱͦͯ͠஍ͩ
    

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31. ©2018 AKAMAI | FASTER FORWARDTM
    26*$ରԠ
    ܞଳి࿩໢ʹ࠷దԽ͞Εͨ᫔᫓੍ޚ
    ίϯςϯπͷ༧ଌ഑৴
    1FFSBTTJTUFE%FMJWFSZ
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    ϞόΠϧσόΠε༻ʹ4%,Λఏڙ
    ˞೥݄ݱࡏ ະ࣮૷ͷػೳؚΉ
    "LBNBJ.FEJB"DDFMFSBUJPO&GGJDJFODZ4%,
    

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32. ©2018 AKAMAI | FASTER FORWARDTM
    Data Center Internet Cell Networks
    *P5σόΠεؒ௨৴ .255
    
    Device
    Device
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    “location, location, and location”
    "LBNBJ*P5&EHF$POOFDU
    

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33. ©2018 AKAMAI | FASTER FORWARDTM
    • ࣾ֎޲͚8FCαΠτ͕υϝΠϯ਺׵ࢉͰҎ্ͱ͔͋Δ
    • ओཁαʔϏε͸΋ͪΖΜ੬ऑੑࢼݧͳͲ΍͍ͬͯΔ͕ɺख͕·Θ͍ͬͯͳ͍αʔϏ
    ε΋͋ΓηΩϡϦςΟ͕ෆ҆ɻ
    • ৗ࣌44-Խ͸͚ͨ͠ͲɺͲͷυϝΠϯ͕Ͳͷ$JQIFS4VJUF࢖ͬͯΔͷ͔Θ͔Βͳ͍
    • Ϣʔβʔ΍੍࡞νʔϜ͕ͨ·ʹ͏͔ͬΓ.#ͷը૾ͱ͔Λషͬͯ͠·͏͜ͱ͕͋Δ
    • ੍࡞νʔϜ΍ϚʔέςΟϯάνʔϜ͕ҟৗʹ஗͍SEQBSUZ+BWB4DSJQUΛಥવ
    షͬͯ͠·͏͜ͱ͕͋Δ
    • υϝΠϯΛΘ͚͍ͯΔඞવੑͷͳ͍ͱ͜Ζ͸ɺ֎޲͚ʹ͸શͯ
    XXXIPHFIPHFDPNͰݟ͍ͤͨ
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34. ©2018 AKAMAI | FASTER FORWARDTM
    2015೥ʹͨ͠ൃද
    

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35. ©2018 AKAMAI | FASTER FORWARDTM
    ΩϟογϡϑϨϯυϦʔͳ8FCΞϓϦͷઃܭ
    

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36. ©2018 AKAMAI | FASTER FORWARDTM
    • ։ൃϑΣʔζޙ൒ͷʮνϡʔχϯάʯͷͭͱ
    ͯ͠ΩϟογϡΛݕ౼͢Δ
    ઃܭ͔࣌ΒΩϟογϡʹ৐ͤΔ͜ͱΛҙࣝ͢Δ
    • ઃܭ͔࣌ΒΩϟογϡΛ೦಄ʹ͓͘
    • ཁ্݅ͲΕ͙Β͍ͷ௕͞ͷ55-·Ͱڐ༰Ͱ͖Δ
    ͔ߟ͓͑ͯ͘
    

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37. ©2018 AKAMAI | FASTER FORWARDTM
    • Ϩεϙϯεͷ಺༰͕ͦͷϦΫΤετҎ֎ͷϦΫ
    Τετʹґଘ͢Δ
    ϦΫΤετؒͷґଘੑΛͳ͘͢
    • Ϩεϙϯεͷ಺༰ΛΫΤϦύϥϝʔλ ϦΫΤ
    ετϔομʔ ࣌ؒʹͷΈґଘ͢ΔΑ͏ʹ͢Δ
    

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38. ©2018 AKAMAI | FASTER FORWARDTM
    &5BHϔομʔͷར༻
    • ಈతʹϨεϙϯε͕มԽ͢ΔΞϓϦͰ͏·͘
    &5BHΛੜ੒Ͱ͖Ε͹ɺΦϦδϯ·ͰϦΫΤετ
    ͸ඈͿ΋ͷͷసૹྔͷઅ໿ͱ଎౓޲্͕ݟࠐΊΔ
    ͕ɺ&5BHͷઃܭख๏͸·ͩ·ͩະ։୓ ͱɺࢥͬͯ·͢
    
    օ͞ΜͷձࣾͰಈతίϯςϯπʹରͯ͠&5BHΛੜ੒͍ͯ͠Δࣄྫ
    ͕͋Ε͹ͥͻڭ͍͖͍͑ͯͨͩͨͰ͢ɻ
    http://bitworking.org/news/150/REST-Tip-Deep-etags-give-you-more-
    benefits
    Deep etags give you more benefits ݁ߏ೉͍͠Ͱ͢
    
    

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39. ©2018 AKAMAI | FASTER FORWARDTM
    ͜͜·Ͱ
    

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40. ©2018 AKAMAI | FASTER FORWARDTM
    • ಈը഑৴΍ύον഑৴ͳͲͱൺֱͯ͠ɺ8FCΞϓϦ΍"1*ͷ
    Ωϟογϡઓུ͸ϘτϜΞοϓɾBEIPDʹͳΓ͕ͪ
    • $BDIFBCJMJUZ ΩϟογϡՄ൱ɾΩϟογϡͷੜଘ࣌ؒɾύʔδ
    ͷλΠϛϯά
    Λߟྀͨ͠ΞϓϦέʔγϣϯಛੑͷهड़ख๏͕ͳ͍
    ΋͠طʹ͋ͬͨΒڭ͍͑ͯͩ͘͞
    
    • 4XBHHFSΈ͍ͨͳ"1*࢓༷هड़ݴޠͷ֦ு͔Βͱ͔
    $BDIFBCJMJUZͷ؍఺͔ΒͷΞϓϦέʔγϣϯͷϞσϦϯά
    

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41. ©2018 AKAMAI | FASTER FORWARDTM
    

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