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ユーザー体感を向上するWebサービス基盤技術に関する研究 / pepaken-infra-rand

ユーザー体感を向上するWebサービス基盤技術に関する研究 / pepaken-infra-rand

ペパボ研究所によるWebサービスのユーザ体感と技術者体感に関する研究

ペパボ研究所 主席研究員 松本亮介 / Pepabo R&D Institute, GMO Pepabo, Inc.
2017.06.20 ペパボ研究所の研究紹介

Webサービス利用者のユーザー体感(User Sensation)の改善
Webサービス提供側の技術者体感(Engineer Sensation)の改善

MATSUMOTO Ryosuke

June 20, 2017
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  1. ϖύϘݚڀॴʹΑΔWebαʔϏεͷϢʔβମײͱٕज़ऀମײʹؔ͢Δݚڀ
    ϖύϘݚڀॴ ओ੮ݚڀһ দຊ྄հ / Pepabo R&D Institute, GMO Pepabo, Inc.
    2017.06.20 ϖύϘݚڀॴͷݚڀ঺հ
    ϢʔβʔମײΛ޲্͢Δ
    WebαʔϏεج൫ٕज़ʹؔ͢Δݚڀ

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  2. 1. WebαʔϏεج൫ٕज़ͷݚڀͱ͸
    2. ڞ༗ϗεςΟϯάαʔϏεͷηΩϡϦςΟͱੑೳͷݚڀ
    3. ৗ࣌HTTPSͷ࣌୅ͷূ໌ॻ؅ཧͷݚڀ
    4. ಥൃతͳΞΫηεूதʹ଱ੑͷ͋Δίϯςφ؅ཧͷݚڀ
    5. ·ͱΊ
    2
    ໨࣍

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  3. 1.
    WebαʔϏεج൫ٕज़ͷݚڀͱ͸

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  4. • ਓؒͷϓϩμΫτ΁ͷൃ૝Λࢧ͑ΒΕΔج൫͕ඞཁ
    • ͜Ε·Ͱ͸֤छྖҬΛਓखͰΧόʔ͢Δ͜ͱ͕ଟ͔ͬͨ
    • ੑೳɾηΩϡϦςΟɾϦιʔε؅ཧɾӡ༻ٕज़ͳͲ
    • ج൫ΛػցͰࢧ͑ࣗಈԽ͠αʔϏεͷݶքΛ௒͑Δ
    • ਓؒͷൃ૝ͷݶքͱج൫ͷݶքͱͷউෛͷੈքͱ͍͑Δ
    4
    WebαʔϏεج൫ٕज़ͷݶք͸αʔϏεͷݶք

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  5. ਓؒͷൃ૝ vs ج൫ٕज़(ػց)ͱࢲͷݚڀ
    5
    ج൫ٕज़ ػց

    ϓϩμΫτ ਓؒͷൃ૝

    ਓͷମྗɾਫ਼ਆͷݶք
    ਓͷମྗɾਫ਼ਆͷݶք
    ਓྗͰࢧ͑ଓ͚Δ
    ਓྗͰ޿͛ଓ͚Δ
    ਓྗͰࢧ͑ଓ͚Δ
    ϓϩμΫτͷݶքͷ෯
    ج൫ٕज़ ػց

    ϓϩμΫτ ਓؒͷൃ૝

    ػցͰࢧ͑ଓ͚Δ
    ϓϩμΫτͷݶքͷ෯
    • ॎ࣠͸ϓϩμΫτ։ൃɾӡ༻ͷίετͱ΋ݴ͑Δ
    • ج൫ٕज़ͷݶքΛ௒͑Δ΂͘ਓͰΧόʔ͍ͯ͠Δ
    • ॎ࣠ͷίετΛ୹͘ɺԣ࣠ͷݶքͷ෯Λ޿͛Δͨ
    Ίͷݚڀ։ൃΛߦ͍ͬͯΔ
    দຊͷݚڀ

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  6. • WebαʔϏεར༻ऀͷϢʔβʔମײ(User Sensation)ͷվળ
    • WebαʔϏεར༻ऀͷແҙࣝԼʹ͓͚Δշదͳײ֮ͷఏڙ
    • ౰ͨΓલʹී௨ʹҧ࿨ײͳ͘࢖͍ଓ͚ΒΕΔ͜ͱͷշద͞
    • WebαʔϏεఏڙଆͷٕज़ऀମײ(Engineer Sensation)ͷվળ
    • ౰ͨΓલʹγεςϜͷ҆ఆੑΛอͪɺਓͷڧ੍հೖΛ௿ݮ
    6
    ࢲͷݚڀςʔϚ

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  7. 1. ηΩϡϦςΟͱੑೳͷཱ྆ʹؔ͢Δݚڀ
    2. ηΩϡϦςΟͷͨΊͷӡ༻ٕज़ͱੑೳվળͷݚڀ
    3. มԽ͠ଓ͚Δ͜ͱʹΑΔ҆ఆੑΛ࣮ݱ͢Δج൫ٕज़ͷݚڀ
    7
    ຊεϥΠυͰ͸3ͭͷݚڀΛ঺հ

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  8. 2.
    ڞ༗ϗεςΟϯάαʔϏεͷ
    ηΩϡϦςΟͱੑೳͷݚڀ

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  9. 1. ηΩϡϦςΟͱੑೳͷཱ྆ʹؔ͢Δݚڀ
    2. ηΩϡϦςΟͷͨΊͷӡ༻ٕज़ͱੑೳվળͷݚڀ
    3. มԽ͠ଓ͚Δ͜ͱʹΑΔ҆ఆੑΛ࣮ݱ͢Δج൫ٕज़ͷݚڀ
    9
    ຊεϥΠυͰ͸3ͭͷݚڀΛ঺հ
    দຊ྄հ, Ԭ෦णஉ,εϨου୯ҐͰݖݶ෼཭Λߦ͏WebαʔόͷΞΫηε੍ޚΞʔΩςΫνϟ,ిࢠ
    ৘ใ௨৴ֶձ࿦จࢽ Vol.J96-B, No.10, pp.1122-1130, Oct 2013.

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  10. • ௿Ձ֨ԽͷͨΊ୯ҰͷαʔόʹߴूੵʹϗετΛऩ༰
    • Ϣʔβ͕ར༻͢Δϗετ୯ҐͰηΩϡϦςΟΛ୲อ
    • HTTPϦΫΤετ࣌ʹϓϩηε୯ҐͰݖݶ෼཭
    • ϦΫΤετຖʹϓϩηεͷੜ੒ɾഁغ͕ඞཁͰ௿ੑೳ
    • ͍͔ʹϦΫΤετ୯Ґͷݖݶ෼཭ͷίετΛ௿͘͢Δ͔
    10
    ڞ༗ϗεςΟϯάαʔϏεͷηΩϡϦςΟ

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  11. • ݖݶ෼཭ΛLinuxεϨουੜ੒ɾഁغͷίετͰ࣮ݱ
    • εϨου୯ҐͰݖݶΛ੍ޚ͢ΔͷͰ࣮૷͸ෳࡶ
    • εϨουͷੜ੒ഁغ͸ϓϩηεͱൺ΂ͯ਺ेഒ௿ίετ※1
    11
    εϨου୯ҐͰݖݶ෼཭
    ※1 Gu Yan, Bu-Sung Lee, Wentong Cai, "Evaluation of Java thread performance on two different multithreaded
    kernels." ACM SIGOPS Operating Systems Review, Vol. 33, No. 1, pp. 34-46, 1999.

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  12. Ұ೔ͷΞΫηε਺1000ສͷαʔόʹಋೖ
    12
    ˙TZTUFN
    ˙VTFS
    ˙JEMF
    ैདྷख๏ ఏҊख๏

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  13. • ϩϦϙοϓʂͰ͸2015೥͔Βݚڀॴͷٕज़Λੵۃతʹಋೖத
    • ϔςϜϧ΋2016೥͔Βಋೖޙ໰୊ͳ͘Քಇத
    • ੑೳ͕ߴ͘ͳΓϢʔβʔମײ͸޲্
    • ੑೳ͕ߴ͘ͳΓαʔόෛՙ͕Լ͕ٕͬͯज़ऀମײ΋޲্
    • ಥൃతͳΞΫηεूதͷରࡦʹ͍ͭͯ͸4ষͰݴٴ
    13
    ಋೖޙ໰୊ͳ͘Քಇத

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  14. 3.
    ৗ࣌HTTPSͷ࣌୅ͷূ໌ॻ؅ཧͷݚڀ

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  15. 1. ηΩϡϦςΟͱੑೳͷཱ྆ʹؔ͢Δݚڀ
    2. ηΩϡϦςΟͷͨΊͷӡ༻ٕज़ͱੑೳվળͷݚڀ
    3. มԽ͠ଓ͚Δ͜ͱʹΑΔ҆ఆੑΛ࣮ݱ͢Δج൫ٕज़ͷݚڀ
    15
    ຊεϥΠυͰ͸3ͭͷݚڀΛ঺հ
    • দຊ྄հ, Ԭ෦ णஉ, mod_mruby: εΫϦϓτݴޠͰߴ଎͔ͭলϝϞϦʹ֦ுՄೳͳWebαʔόͷػೳ
    ֦ுࢧԉػߏ, ৘ใॲཧֶձ࿦จࢽɼVol.55, No.11, pp.2451-2460, Nov 2014.
    • দຊ྄հ, ࡾ୐ ༔հ, ྗ෢ ݈࣍, ܀ྛ ݈ଠ࿠, ߴूੵϚϧνςφϯτWebαʔόͷେن໛ূ໌ॻ؅ཧ, ৘
    ใॲཧֶձݚڀใࠂΠϯλʔωοτͱӡ༻ٕज़ʢIOTʣ,2017-IOT-37(1), 1-8, 2017೥5݄.

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  16. • υϝΠϯ΍ϗετΛେྔʹ࣋ͭαʔϏε͸ରԠࠔ೉
    • ݱࡏͷαʔόιϑτ΢ΣΞ͸େྔͷূ໌ॻͷѻ͍ʹෆ޲͖
    • ͜ͷ··Ͱ͸EC΍ϗεςΟϯάͷHTTPSಋೖ͕ۃΊͯࠔ೉
    • Ͱ͸େྔূ໌ॻʹରԠͨ͠ιϑτ΢ΣΞΛ࡞Γ·͠ΐ͏
    16
    ৗ࣌HTTPSԽʹରԠ͍ͯ͘͠ඞཁ༗Γ

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  17. • αʔόϓϩηεىಈ࣌ʹશͯͷূ໌ॻΛಡΈࠐΉ
    • ىಈ͕࣌ؒ஗͘ӡ༻ͷޮ཰͕ѱ͍
    • αʔόϓϩηεͷϝϞϦ࢖༻ྔଟ͍
    • ϝϞϦ࢖༻ྔʹىҼͯ͠ۃ୺ʹੑೳྼԽ͢Δॲཧ༗Γ
    • ৽͍͠ϗετͱূ໌ॻ௥Ճ࣌ʹ͸ϓϩηε࠶ىಈ͕ඞཁ
    • HTML΍ը૾౳ͷ੩తϑΝΠϧ͸े෼ͳ଎౓Ͱಈ࡞
    17
    ैདྷख๏ͷಛ௃

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  18. • ϦΫΤετ୯ҐͰূ໌ॻͷॲཧΛશͯߦ͏
    • αʔόϓϩηεىಈ࣌ؒ͸ඇৗʹૣ͍
    • ϓϩηεͷϝϞϦ࢖༻ྔ΋େ෯ʹ௿ݮ
    • ϝϞϦ࢖༻ྔʹىҼͨ͠ۃ୺ʹੑೳྼԽ͢Δ໰୊΋ղܾ
    • ৽نূ໌ॻΛϓϩηε࠶ىಈ͢Δ͜ͱͳ͘ద༻Մೳ
    • ੩తϑΝΠϧͷੑೳͷΦʔόʔϔουʹͳΒͳ͍͔͕؊
    18
    ఏҊख๏ͷಛ௃

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  19. 10ສϗετ෼ͷূ໌ॻಡΈࠐΈ࣌ͷ֤छൺֱ
    19
    8FCαʔόϓϩηεىಈ࣌ͷ
    ϝϞϦ࢖༻ྔ
    ϝϞϦ࢖༻ྔ .#ZUFT






    ϓϩηεͷϝϞϦ࢖༻ྔ
    ैདྷख๏ ఏҊख๏
    8FCαʔόϓϩηεͷ

    ىಈ࣌ؒ
    ࣌ؒ ඵ






    ϓϩηεىಈ࣌ؒ
    ैདྷख๏ ఏҊख๏

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  20. ߴूੵʹϗετΛऩ༰ͨ࣌͠ͷfork()ੑೳൺֱ
    20
    8FCαʔόϓϩηεͷDMPOF
    γεςϜίʔϧ࣮ߦ࣌ؒ

    ʢ$(*౳Ͱར༻͞ΕΔγεςϜίʔϧʣ
    ࣮ߦ࣌ؒ NTFD






    ϗετ ϗετ ϗετ ϗετ
    ैདྷख๏ ఏҊख๏

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  21. 10ສϗετऩ༰࣌ͷ੩తϑΝΠϧͷੑೳൺֱ
    21
    ਺ेCZUFTͷܰྔͳ)5.-ϑΝΠϧ΁ͷϦΫΤετ
    3FRVFTUTFD





    ಉ࣌઀ଓ਺

    ैདྷख๏ ఏҊख๏

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  22. • ECࢧԉαʔϏεɾϗεςΟϯάαʔϏεڞʹಋೖࡁΈ
    • ຊख๏ͷཁૉٕज़Ͱ͋Δngx_mruby͸΄΅શαʔϏεͰ׆༻
    • ngx_mruby͸ੈքதͷWebϑϨʔϜϫʔΫੑೳίϯςϯετ
    ͷRuby෦໳Ͱ5େձ࿈ଓੈք1Ґ※1
    22
    ࣾ಺Ͱ΋ಋೖࡁΈ
    ※1 TechEmpower Web Framework Benchmarks(Plaintext, JSON serialization, Ruby), https://
    www.techempower.com/benchmarks.

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  23. 4.
    ಥൃతͳΞΫηεूதʹ଱ੑͷ͋Δ
    ίϯςφ؅ཧͷݚڀ

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  24. 1. ηΩϡϦςΟͱੑೳͷཱ྆ʹؔ͢Δݚڀ
    2. ηΩϡϦςΟͷͨΊͷӡ༻ٕज़ͱੑೳվળͷݚڀ
    3. มԽ͠ଓ͚Δ͜ͱʹΑΔ҆ఆੑΛ࣮ݱ͢Δج൫ٕज़ͷݚڀ
    24
    ຊεϥΠυͰ͸3ͭͷݚڀΛ঺հ
    দຊ྄հ, ࡾ୐ ༔հ, ྗ෢ ݈࣍, ܀ྛ ݈ଠ࿠, FastContainer: WebΞϓϦέʔγϣϯίϯςφͷىಈΛϦΞΫςΟϒʹܾఆ
    ͢Δίϯςφ؅ཧΞʔΩςΫνϟ, ৘ใॲཧֶձݚڀใࠂΠϯλʔωοτͱӡ༻ٕज़ʢIOTʣ,2017-IOT-38, 2017೥6݄.

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  25. • ಥൃతͳΞΫηε͚࣌ͩεέʔϧ͢Δͷ͸ͳͥ೉͍͠ͷ͔ʁ
    • γεςϜ͕ෆมੑΛ࣋ͪมԽ΁͸େ͖ͳίετ͕൐͏
    • γεςϜͷߏ੒ཁૉ΋·ͨෆมੑΛ࣋ͭ
    • ෆมੑΛҡ࣋͢Δ͜ͱ͕γεςϜ؅ཧͷ໨తͰ͋Δ
    • ෆมੑΛ࣋ͭγεςϜ͸૝ఆൣғ಺ͷ඼࣭࠷େԽ͕໨త
    25
    ݱ୅ͷෆมੑΛ࣋ͭγεςϜ

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  26. • ૝ఆൣғ಺ͷ඼࣭࠷େԽΛ໨తʹ͠ͳ͍
    • γεςϜͷཁૉͷఀࢭ͔Βىಈॲཧͷޮ཰Խʹண໨
    • γεςϜͷཁૉͷఀࢭঢ়ଶΛڐ༰͢ΔγεςϜ
    • ৗʹఀࢭͱىಈ͕॥؀Մೳͳ߃ৗੑΛ࣋ͭγεςϜΛ໨ࢦ͢
    • ॥؀Մೳ = Մ༻ੑ͕ߴ͘ৗʹมԽՄೳͳج൫͕࣮ݱͰ͖Δ
    26
    Մ༻ੑߴ͘มԽʹڧ͍ج൫Λ࡞Δʹ͸ʁ

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  27. มԽ͠ଓ͚Δ͜ͱ͔ΒಘΒΕΔ҆ఆੑ
    27
    ϗετ"
    ϗετ"
    ϗετ"
    ϗετ" ϗετ"
    Πϯλʔωοτ
    ϗετ"
    ϗετ"
    ϗετ"
    ΍͕ͯఀࢭ
    ൓Ԡతʹىಈ
    ൓Ԡతʹ
    εέʔϧΞοϓ
    ऩ༰αʔόA
    ऩ༰αʔόB
    HTTPϦΫΤετ
    ൓Ԡతʹ
    εέʔϧΞ΢τ
    • ϗετͷىಈͱఀࢭΛ॥؀
    • ৗʹ॥؀͠ଓ͚ΔΞʔΩςΫνϟ
    • มԽ͠ଓ͚Δ͜ͱʹΑΔ҆ఆੑ
    • ॥؀ͷ଎౓վળΛ௥ٻ
    ৗʹมԽՄೳͰ͋ΔͨΊಥൃతͳΞ
    ΫηεूதͷΑ͏ͳมԽʹ΋଱ੑͷ
    ͋ΔΞʔΩςΫνϟΛ࣮ݱՄೳ

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  28. • ϗετͷىಈɾෳ੡ɾఀࢭɾڧԽॲཧͷޮ཰ԽΛॏࢹ
    • ֤छॲཧΛHTTPϦΫΤετ࣌ʹϦΞΫςΟϒʹ࣮ࢪ
    • ϗετʹ͸ίϯςφܕԾ૝ԽΛ࠾༻ͯ͠ಠࣗΤϯδϯΛ࣮૷
    • ϦΫΤετॲཧ಺ͰίϯςφͷϞχλϦϯά΋࣮ࢪ
    • ϦΫΤετΛܖػʹίϯςφͷঢ়ଶΛܾఆ
    28
    FastContainerΞʔΩςΫνϟͱ໋໊

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  29. ݱࡏ࣮૷தͷFastContainerΞʔΩςΫνϟ
    29
    CMDBʹߏ੒΍ίϯςφͷঢ়
    ଶ͕શͯอଘ͞Ε͍ͯΔɻ
    UserProxyͱCompute͕Ϧ
    ΫΤετʹج͍ͯCoreAPIܦ
    ༝ͰCMDB͔Βঢ়ଶΛऔಘɾ
    มߋ͠ߏ੒ΛมԽͤ͞Δɻ
    Compute͸ෳ਺୆Ͱ
    DataPoolΛڞ༗͠ɺίϯς
    φΛHTTPϦΫΤετ͔ΒϦ
    ΞΫςΟϒʹىಈ͢Δɻ

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  30. 30
    10ສϦΫΤετதɺ5ສ1ϦΫΤετ͔Β
    εέʔϧΞ΢τΛߦ͍ɺϨεϙϯεʹӨ
    ڹΛ༩͑Δ͜ͱͳ͘ॠ࣌ʹෛՙ෼ࢄ͕Ͱ
    ͖͍ͯΔɻ
    5ສϦΫΤετҎ߱͸2ίϯ
    ςφʹεέʔϧΞ΢τ͞Εͨ
    ͨΊɺϨεϙϯελΠϜ͕൒
    ෼ҎԼͱͳͬͯ࢒Γͷ5ສϦ
    ΫΤετ୹࣌ؒͰॲཧ͍ͯ͠
    Δ͜ͱ͕෼͔Δɻ

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  31. 31
    10ສϦΫΤετதɺ5ສ1ϦΫΤετ
    ͔ΒCPU2ഒͷεέʔϧΞοϓΛߦ
    ͍ɺϨεϙϯεʹӨڹΛ༩͑Δ͜ͱ
    ͳ͘ॠ࣌ʹෛՙ෼ࢄ͕Ͱ͖͍ͯΔɻ
    5ສϦΫΤετҎ߱͸CPU͕
    ݩͷ2ഒʹڧԽ͞ΕͨͨΊɺ
    ϨεϙϯελΠϜ͕໿൒෼ͱ
    ͳͬͯ࢒Γͷ5ສϦΫΤετ
    ୹࣌ؒͰॲཧ͍ͯ͠Δ͜ͱ͕
    ෼͔Δɻ

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  32. • εέʔϧΞοϓɾΞ΢τ͕༰қͳϗεςΟϯάαʔϏε
    • ֓Ͷ࣮૷͸׬ྃ͠ςετ΍Ϣʔβ͕ૢ࡞͢ΔՕॴΛ࣮૷த
    • ϗεςΟϯάͳ͕ΒಥൃతͳมԽʹڧ͍αʔϏεͱͳΓಘΔ
    • ར༻ऀ͸ઐ໳తͳ஌ࣝͳ͘มԽʹڧ͍γεςϜΛར༻Մೳ
    • ج൫ٕज़ʹΑΓਓͷൃ૝͔Βੜ͡ΔϓϩμΫτΛࢧ͑Δ
    32
    FastContainerͷ࣮༻Խʹ޲͚࣮ͯ૷த

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  33. • WebαʔϏεར༻ऀͷϢʔβʔମײ(User Sensation)ͷվળ
    • WebαʔϏεఏڙଆͷٕज़ऀମײ(Engineer Sensation)ͷվળ
    • ݚڀ։ൃΛ௨ͯ྆͠ํ޲ͷମײΛվળ͍ͯ͘͠
    • ج൫ٕज़ͷվળΛ௨ͯ͠ਓ͕ࢧ͑Δ΂͖ྖҬΛΑΓߴ౓ʹ
    • WebαʔϏεج൫ͷݶքΛ௒͑ɺϓϩμΫτͷݶքΛ௒͑Δ
    34
    WebαʔϏεج൫ٕज़ͷݚڀ঺հ

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  34. ຊݚڀൃදʹؔ࿈͢Δൃදจݙ

    View full-size slide

  35. • ຊൃදʹؚ·ΕΔશͯͷݚڀ੒Ռ͸࣮૷ΛؚΊͯެ։͓ͯ͠
    Γɺੈքத͔Βಋೖใࠂ͕ಧ͍͓ͯΓ·͢ɻ
    • ͦͷใࠂ͔Β͞Βʹݚڀ੒Ռͷ඼࣭͕޲্͠ɺΑΓҰ૚ϓϩ
    μΫτͷ඼࣭ͷ޲্ʹ΋د༩͍͓ͯͬͯ͠Γ·͢ɻ
    • ެ։͢Δ͜ͱʹΑΓɺ1ਓ΍ݚڀॴ಺͚ͩͰ࡞Γ্͛ΔΑΓ΋
    ·͢·͢ݚڀ੒Ռ͕ৢ੒͞Ε͍ͯ͘͜ͱΛ࣮ײ͓ͯ͠Γ·͢ɻ
    36
    ݚڀ੒Ռͷڞ༗

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  36. • দຊ྄հ, WebαʔόͷߴूੵϚϧνςφϯτΞʔΩςΫνϟʹؔ͢Δݚڀ, ژ౎େֶେֶӃ৘ใ
    ֶݚڀՊത࢜՝ఔެௌձ, 2017೥5݄.
    37
    ത࢜࿦จ

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  37. • দຊ྄հ, Ԭ෦ णஉ, mod_mruby: εΫϦϓτݴޠͰߴ଎͔ͭলϝϞϦʹ֦ுՄೳͳWebαʔό
    ͷػೳ֦ுࢧԉػߏ, ৘ใॲཧֶձ࿦จࢽɼVol.55, No.11, pp.2451-2460, Nov 2014.
    • দຊ྄հ, Ԭ෦णஉ,εϨου୯ҐͰݖݶ෼཭Λߦ͏WebαʔόͷΞΫηε੍ޚΞʔΩςΫνϟ,ి
    ࢠ৘ใ௨৴ֶձ࿦จࢽ Vol.J96-B, No.10, pp.1122-1130, Oct 2013.
    • দຊ྄հ, ઒ݪক࢘, দԬً෉, େن໛ڞ༗ܕWebόʔνϟϧϗεςΟϯάج൫ͷηΩϡϦςΟͱ
    ӡ༻ٕज़ͷվળ, ৘ใॲཧֶձ࿦จࢽ, Vol.54, No.3, pp.1077-1086, Mar. 2013.
    38
    ࿦จࢽ࿦จ

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  38. • Yoshiharu Tsuzaki, Ryosuke Matsumoto, Daisuke Kotani, Shuichi Miyazaki, Yasuo Okabe, A
    Mail Transfer System Selectively Restricting a Huge Amoount of E-mails, Workshop on
    Resilient Internet based Systems (REIS 2013), Dec. 2013.
    • Hiroki Okamoto, Ryosuke Matsumoto, Yasuo Okabe, Design of Cooperative Load Distribution
    for Addressing Flash Crowds Using P2P File Sharing Network, IEEE 37th Annual International
    Computer Software and Applications Conference (COMPSAC2013), July 2013.
    • Ryosuke Matsumoto, Yasuo Okabe, Access Control Architecture Separating Privilege by a
    Thread on a Web Server, The 12th IEEE/IPSJ International Symposium on Applications and
    the Internet (SAINT2012), pp.178-183, July 2012.
    39
    ࠃࡍձٞʢࠪಡ෇͖ʣ

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  39. • দຊ྄հ, Ԭ෦ णஉ, mod_mruby: εΫϦϓτݴޠͰߴ଎͔ͭলϝϞϦʹ֦ுՄೳͳWebαʔό
    ͷػೳ֦ுࢧԉػߏ, Πϯλʔωοτͱӡ༻ٕज़γϯϙδ΢Ϝ2013࿦จूɼ2013ɼ79-86
    ʢ2013-12-5ʣ, 2013೥12݄.
    • দຊ྄հ, ઒ݪক࢘, দԬً෉, ൚༻ੑͷߴ͍େن໛ڞ༗ܕWebόʔνϟϧϗεςΟϯάج൫ͷη
    ΩϡϦςΟͱӡ༻ٕज़ͷվળ, Πϯλʔωοτͱӡ༻ٕज़γϯϙδ΢Ϝ2011࿦จू,2011,31-38
    (2011-11-24) , 2011೥12݄.
    40
    ࠃ಺ൃදʢࠪಡ෇͖ʣ

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  40. • দຊ྄հ, ࡾ୐ ༔հ, ྗ෢ ݈࣍, ܀ྛ ݈ଠ࿠, FastContainer: WebΞϓϦέʔγϣϯίϯςφͷى
    ಈΛϦΞΫςΟϒʹܾఆ͢Δίϯςφ؅ཧΞʔΩςΫνϟ, ৘ใॲཧֶձݚڀใࠂΠϯλʔωο
    τͱӡ༻ٕज़ʢIOTʣ,2017-IOT-38, 2017೥6݄.
    • ࡾ୐ ༔հ, দຊ ྄հ, ྗ෢ ݈࣍, ܀ྛ ݈ଠ࿠, ΞΫηεස౓༧ଌʹجͮ͘Ծ૝αʔόͷܭըతΦʔ
    τεέʔϦϯά, ৘ใॲཧֶձݚڀใࠂΠϯλʔωοτͱӡ༻ٕज़ʢIOTʣ,2017-IOT-38, 2017
    ೥6݄.
    • দຊ ྄հ, ࡾ୐ ༔հ, ྗ෢ ݈࣍, ܀ྛ ݈ଠ࿠, ߴूੵϚϧνςφϯτWebαʔόͷେن໛ূ໌ॻ؅
    ཧ, ݚڀใࠂΠϯλʔωοτͱӡ༻ٕज़ʢIOTʣ,2017-IOT-37(1),1-8 (2017-05-18) , 2188-8787.
    41
    ޱ಄ൃද

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  41. • ࡾ୐ ༔հ, দຊ ྄հ, ྗ෢ ݈࣍, ܀ྛ ݈ଠ࿠, ಛ௃நग़ثͷֶशͱߪങཤྺΛඞཁͱ͠ͳ͍ྨࣅը
    ૾ʹΑΔؔ࿈঎඼ݕࡧγεςϜ, ݚڀใࠂΠϯλʔωοτͱӡ༻ٕज़ʢIOTʣ,2017-IOT-37(4),1-
    8 (2017-05-18) , 2188-8787.
    • দຊ྄հ, ాฏ ߁࿕, ࢁԼ ࿨඙, ܀ྛ ݈ଠ࿠, ಛ௃ྔநग़ͱมԽ఺ݕग़ʹجͮ͘Webαʔόͷߴू
    ੵϚϧνςφϯτํࣜʹ͓͚ΔϦιʔεͷࣗ཯੍ޚΞʔΩςΫνϟ, ৘ใॲཧֶձݚڀใࠂΠϯ
    λʔωοτͱӡ༻ٕज़ʢIOTʣ,2017-IOT-36(26), 1-8, (2017-02-24).
    • দຊ ྄հ, ܀ྛ ݈ଠ࿠, ಛ௃ྔநग़ͱมԽ఺ݕग़ʹجͮ͘WebαʔόϦιʔεͷࣗ཯੍ޚΞʔΩ
    ςΫνϟ, Πϯλʔωοτͱӡ༻ٕज़γϯϙδ΢Ϝ2016࿦จू(IOTS2016), Vol.2016, pp.101,
    2016೥12݄
    42
    ޱ಄ൃද

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  42. • দຊ྄հ, ηΩϡϦςΟͱੑೳཁ݅Λಉ࣌ʹຬͨ͢αʔόϗεςΟϯάٕज़ͷ࠷৽ಈ޲, ୈ39ճΠ
    ϯλʔωοτٕज़ୈ163ҕһձݚڀձɹ-ITRC meet39-, 2016೥5݄.
    • দຊ྄հ, ਓ޻஌ೳ͸WEBαʔόʔͷ҉ҋΛٹ͏, IPSJ-ONE 2016, 2016೥3݄.
    43
    ޱ಄ൃද

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  43. • দຊ྄հ, Think IT ฤू෦, ΤϯδχΞͷͨΊͷAIೖ໳ ୈ2෦ ࣄྫฤɿAI࠷લઢͷݱ৔͔Β ʙۀ
    քผAI΁ͷऔΓ૊Έ GMOϖύϘ AIͰWebγεςϜΛࣗ཯੍ޚ͢ΔʮͳΊΒ͔ͳγεςϜʯͷऔ
    Γ૊Έ, ΠϯϓϨε Think IT ฤू෦, 2017೥7݄.
    • দຊ྄հ, ୳͠ʹߦ͜͏ࣗ෼ͷ৔ॴ - اۀͱֶज़ݚڀͷަࠩ఺ͰɺߴΈΛ໨ࢦ͢, Ϧόωε৘ใࢽ
    ֶ෦ɾӃੜͷͨΊͷݚڀΩϟϦΞɾब׆৘ใࢽʰincuɾbeʱvol.35, 2016೥12݄ɽ
    • দຊ྄հ, ਓ޻஌ೳ͕΢Τϒαʔόͷҟৗঢ়ଶΛݟ͚ͭɺαʔό؅ཧऀΛٹ͏ʙ͜Εͬͯ΋͸΍
    ੜ໋ʁ, Տ߹क़ΈΒ͍Ϳϓϥε, 2016೥10݄ɽ
    • দຊ྄հ, ࣗΒΛ؅ཧͰ͖Δɺੜ໋ͷΑ͏ʹݟ͑ΔΠϯλʔωοτٕज़ͷݚڀ։ൃʹ௅Ή দຊ྄
    հઌੜΠϯλϏϡʔ, Տ߹क़ΈΒ͍Ϳϓϥε, 2016೥10݄ɽ
    44
    ֶձࢽɾ঎ۀࢽ౳ղઆ

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  44. • দຊ྄հ, ܀ྛ݈ଠ࿠, ̢̜̤ϖύϘɺ̖̞ͰαʔόʔӡӦޮ཰ߴΊΔ࣍ੈ୅ܕγεςϜ։ൃ΁,
    ೔ץ޻ۀ৽ฉ ϩϘοτχϡʔε, 2016೥8݄ɽ
    • দຊ྄հ, ܀ྛ݈ଠ࿠, AI࠷લઢͷݱ৔͔ΒʲGMOϖύϘʳʮͳΊΒ͔ͳγεςϜʯͷऔΓ૊Έ,
    ࿈ࡌ: σΟʔϓϥʔχϯάɾਓ޻஌ೳ ࠷લઢ 2016, 2016೥7݄.
    • দຊ྄հ, ܀ྛ݈ଠ࿠, ʮGMOϖύϘݚڀॴʯઃཱɺΨνͳֶज़ݚڀͰϗεςΟϯάαʔϏεࠩ
    ผԽɺॴ௕ɾ܀ྛ݈ଠ࿠ࢯɺओ੮ݚڀһɾদຊ྄հࢯ, INTERNET Watch τϐοΫ ۀքಈ޲ ا
    ۀ ΠϯλϏϡʔ, 2016೥7݄.
    • দຊ྄հ, ʲಛผاըʳ շదɾ௿Ձ֨ɾ҆શΛ࣮ݱͨ͠”࣍ੈ୅ϗεςΟϯά”ͷൿີʹഭΔ!, Ϛ
    ΠφϏχϡʔεITاۀ ηΩϡϦςΟಛผاը, 2016೥5݄.
    45
    ֶձࢽɾ঎ۀࢽ౳ղઆ

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  45. ݚڀһɺੵۃతʹืूதʂ
    http://rand.pepabo.com/

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