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CloudNativeな時代に求められる
Webサービス基盤モデルの再考

nwiizo
February 17, 2022

 CloudNativeな時代に求められる
Webサービス基盤モデルの再考

Developers Summit 2022
https://event.shoeisha.jp/devsumi/20220217

https://event.shoeisha.jp/devsumi/20220217/session/3648/

今週、ずっと体調が悪く昨日、PCR検査受けたが陰性
後ほど、修正して再度、上げます。

nwiizo

February 17, 2022
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  1. "CPVUεϦʔγΣΠΫ  w 43&ࢧԉٕज़ࢧԉαʔϏε w ٕज़ྗ͕ٻΊΒΕΔྖҬͰ๛෋ͳܦݧΛ࣋ͭ43&͕ू·ͬͨνʔϜʹΑΔ 
 ٕज़ࢧԉαʔϏεͰ͢ɻ w ηΩϡϦςΟ੬ऑੑ਍அαʔϏε

    w ܦݧ๛෋ͳηΩϡϦςΟઐ໳Ո͕وࣾͷ՝୊ʹ߹ΘͤͨηΩϡϦςΟରࡦΛ 
 ࢧԉ͢ΔαʔϏεͰ͢ɻ w Ϋϥ΢υܕ&5-σʔλύΠϓϥΠϯαʔϏε w σʔλϕʔεɾετϨʔδɾΞϓϦέʔγϣϯͳͲɺ͋ΒΏΔσʔλΛ 
 ౷߹ɾ࿈ܞ͢Δ͜ͱͰɺσʔλΛ׆༻ͨ͠Ϗδωεมֵʹߩݙ͠·͢ɻ w ϋΠεΩϧϑϦʔϥϯε঺հαʔϏε w ϓϩͷݱ໾ΤϯδχΞूஂ͕࠷దͳΤϯδχΞΛ঺հ͢Δ 
 ϑϦʔϥϯεΤϯδχΞ঺հαʔϏεͰ͢
  2. "CPVU4SFBLF w 43&ࢧԉٕज़ࢧԉ w 4SFBLF͸ۚ༥ɾҩྍɾಈը഑৴ɾ"*ɾήʔϜͳͲٕज़ྗ͕ٻΊΒΕΔྖҬͰ๛෋ͳܦݧΛ࣋ͭ43&͕ू·ͬͨνʔϜ ʹΑΔٕज़ࢧԉαʔϏεͰ͢ɻઓུࡦఆ͔Βઃܭɾߏஙɾӡ༻ɺ4BB4ఏڙ·Ͱɺ෯޿͍ྖҬΛαϙʔτ͠·͢ɻ  Sreake ྲྀ SRE

    Roadmap SRE ͷ։࢝ ·ͣ͸খ͘͞ɻ ޮՌ͕࠷େݶʹग़Δͱ͜Ζ ͔Βίπίπͱ࢝ΊΑ͏ SRE νʔϜͷఆٛ ૊৫ʹ͋ͬͨ SRE Λఆٛ͠Α͏ SRE࣮ફ SLIɾSLO ͷઃఆ Toil ࡟ݮ (ࣗಈԽਪਐ) SRE ͷൃలͱܧଓ SREͷจԽ͕ਁಁ͢Δ 
 Error Budget Λݩʹ
 ۀ຿Λίϯτϩʔϧ͍ͯ͘͠
  3. 4SFBLFͷΤϯδχΞʹΑΔٕज़ࢧԉ w ٕज़ઓུ͔Βઃܭɺߏஙɺӡ༻·Ͱϫϯετοϓࢧԉ͢Δٕज़ࢧԉαʔϏε  ٕज़ઓུ ίϯαϧςΟϯά ߏங / ࣮૷ ࢧԉ

    Ξηεϝϯτ ʢύϑΥʔϚϯε / ηΩϡϦςΟʣ ӡ༻ࢧԉ γεςϜ ઃܭ .VMUJ$MPVE΍$MPVE/BUJWFͳઌਐతٕज़ٴͼେن໛ͳαʔϏεӡ༻ʹڧΈΛ࣋ͭΤϯδχΞʹΑΔٕज़ࢧԉ ϕϯμʔతͳ໾ׂͰ͸ͳ͘ʮ͓٬༷ͷνʔϜϝϯόʔʯͱ͍͏ཱͪҐஔͰ࠷৽ٕज़ͷఏҊ͔Βӡ༻ࢧԉ·ͰΛτʔλϧͰ
  4. ຊ೔͓࿩͢Δ಺༰ ࿩͢͜ͱ $MPVE/BUJWFͷશମ૾ ͬ͘͟Γɺίϯςφʹ͍ͭͯ ͳΜͱͳ͘,VCFSOFUFT %BQSʹ͍ͭͯخ͍͜͠ͱ ιϑτ΢ΣΞͷෳࡶੑͱ 
 Πϯϑϥͷؔ܎ੑʹ͍ͭͯ 

    ࿩͞ͳ͍͜ͱ %BQSͰͷΞϓϦέʔγϣϯ࣮૷ ৄࡉͳγεςϜΞʔΩςΫνϟ $MPVE/BUJWF΋ιϑτ΢ΣΞ։ൃ΋ 
 ͦͷຊ࣭͸పఈతͳ࣮ફͰ͢ ͳͷͰɺؾܰʹฉ͖ྲྀ͍͚ͯͨͩ͠Δ ͱࢥΘΕ·͢ɻ
  5. *OGSBTUSVDUVSFBT%PDVNFOU࣌୅ w γεςϜӡ༻୲౰ऀ͕ΞϓϦέʔγϣϯΛ഑ஔ͢Δํ๏ w ਓؒͷࢥߟ΍ߦಈΛίʔσΟϯάͯ͠γεςϜΛ؅ཧ͢Δҝͷൿ఻ͷυΩϡϝϯτΛҾ͖ܧ͙ w Ұ୆Ұ୆Λஸೡʹઃఆ͍͕ͯ͘͠ग़ࣗ͸ෆ໌ w ͳͥɺಈ͍͍ͯΔ͔΋෼͔Βͣɺ͞ΘͬͨΒಈ͔ͳ͘ͳΔ͔Βൿ఻ͷλϨͱͳΓ͍͔ͭ෗Δ w

    %PDVNFOU͸͋Δ͕ߋ৽͞Εͯͳ͍͜ͱ΋͠͹͠͹  ൿ఻ͷυΩϡϝϯτ ͱΓ͋͑ͣɺಈ͍͍ͯΔ ຊ൪؀ڥ खॱ͸IJTUPSZ ໨తʹԊͬͨ%PDVNFOUBUJPOBT$PEFΛ͍͔ʹ࣮ͯ͠ݱ͍͔ͯ͘͠1)1FS,BJHJ ͳͲΛಡΜͰΈ͍ͯͩ͘͞
  6. ˞ίϯςφͷऄ଍ w %PDLFS·Ͱͷྺ࢙΍ཁૉٕज़͸୳ͬͯΈͯ΋໘ന͍ w ίϯςφͱ͸ҎԼͷΑ͏ͳಛ௃Λ࣋ͬͨಛผͳϓϩηε w ଞͷϓϩηεͱͷϦιʔεͷִ཭ w 04ͷϦιʔεར༻ʹର͢Δ੍ݶ 

    chroot process LinuxΛߏ੒͢Δ̏ͭͷ֓೦
 ϑΝΠϧγεςϜ ϓϩηε ετϦʔϜ  d     ཁૉٕज़ *TPMBUJPO ΧʔωϧϦιʔε΍ϑΝΠϧγεςϜͷִ཭ /BNFTQBDF 
 -JNJUBUJPO ϋʔυ΢ΣΞϦιʔεͷ੍ݶ DHSPVQ 
 3FTUSJDUJPO ݖݶͷ੍໿ $BQBCJMJUZ
  7. Ϋϥ΢υʹΑΔΞϓϦέʔγϣϯϑΝʔετ w Ϋϥ΢υʹΑΓ૊Έ্͛ํ͔ࣜΒݺͼग़͠ํࣜ΁ w ཁٻ͢Ε͹ԼҐͷϦιʔε͕ࣗಈతʹׂΓ౰ͨΔ w ίϯςφʹΑͬͯऔΓѻ͍Λڞ௨Խ w ΞϓϦͱΠϯϑϥͷґଘؔ܎Λஅͪ੾Δ͜ͱ͕Ͱ͖Δ 

    )8 04 ϥϯλΠϜ ϥΠϒϥϦ "QQ ίϯςφ ڞ௨Խ͞Εͨཁٻ શͯ͸HWͷௐୡ͔Β ≒ϦιʔεϑΝʔετ ΞϓϦέʔγϣϯϑΝʔετ͕$MPVE/BUJWFͱ͍͏Θ͚Ͱ͸ͳ͍
  8. 4FSWJDF-FWFMJOEJDBUPSͱ4FSWJDF-FWFM0CKFDUJWF w ৴པੑͱɺ৴པੑͰ͸େ͖ͳҧ͍ w ৴པੑΛ࣮ݱ͢ΔͨΊʹ͸ɺͱ͸ҟͳΓ๲େͳ޻਺Λ౤ೖ͕ඞཁ 
 ΄ͱΜͲͷϢʔβʔʹͱͬͯ͸ʮʯ͕ʮʯʹͳ͔ͬͨΒͱ͍ͬͯɺ 
 େ͖ͳϝϦοτ͕͋ΔΘ͚Ͱ͸͋Γ·ͤΜ🥺🥺🥺 


    w ֤αʔϏε͝ͱʹద੾ͳ4-0Λઃఆ͢Δ͜ͱ͕େࣄ w 4-0ͱ͸ɺ4-*Ͱܭଌ͞ΕΔαʔϏεϨϕϧͷ໨ඪ஋ɺ·ͨ͸໨ඪ஋ͷൣғΛࢦ͠·͢ w 4-0Λʮ೥ʯͱઃఆ͢Δͱɺʮ೥ͷ͏ͪ෼͸Քಇ͠ͳͯ͘΋Α͍ʯͱ͍͏͜ͱʹͳΓ·͢ w ͔͠͠ɺγϯάϧϊʔυ୆ͰΞϓϦΛಈ͔͢ͱʜɹŗŕŗŕŗŕ w4FSWJDF-FWFM*OEJDBUPSͷྫ w ϦΫΤετͷϨΠςϯγʢϦΫΤετʹର͢ΔϨεϙϯεΛฦ͢·Ͱʹ͔͔ͬͨ࣌ؒʣ w Τϥʔ཰ʢड৴ͨ͠ϦΫΤετΛਖ਼ৗʹॲཧͰ͖ͳ͔ͬͨൺ཰ʣ w γεςϜεϧʔϓοτʢ୯Ґ࣌ؒ͋ͨΓʹॲཧͰ͖ΔϦΫΤετ਺ʣ w Մ༻ੑʢαʔϏε͕ར༻Ͱ͖Δ࣌ؒͷൺ཰ʣ 
  9. γϯάϧϊʔυ୆ͰΞϓϦΛಈ͔͢ͱʜɹŗŕŗŕŗŕ  Dockerfile "QQ" "QQ# ΞϓϦͷߋ৽͸ʁ 
 αʔόʔࣗମ͕ిݯஅͰαʔϏεམΑͶʁ 
 ෛՙ͕૿͑ͨΒͲ͏͢Δͷʁ

    
 ΞΫηε͕૿͑ͨΒͲ͏͢Δͷʁ .Z42- Ϋϥ΢υΛ࢖͔ͬͨΒͱ͍ͬͯʜ Մ༻ੑ͕উखʹߴ·ΔΘ͚Ͱ͸ͳ͍ ԿΒ͔ͷํ๏ͰϦεΫΛճආͤͶ͹ɺ ͦͷํ๏ͷҰ͕ͭ,VCFSOFUFTͰ͋Γ 
 $MPVE/BUJWFͱͳΔ
  10. $MPVE/BUJWFͱ͸ʁ w Ϋϥ΢υωΠςΟϒٕज़͸ɺύϒϦοΫΫϥ΢υɺϓϥΠϕʔτΫϥ΢υɺϋΠϒϦουΫϥ΢ υͳͲͷۙ୅తͰμΠφϛοΫͳ؀ڥʹ͓͍ͯɺεέʔϥϒϧͳΞϓϦέʔγϣϯΛߏங͓Αͼ ࣮ߦ͢ΔͨΊͷೳྗΛ૊৫ʹ΋ͨΒ͠·͢ɻ͜ͷΞϓϩʔνͷ୅දྫʹɺίϯςφɺαʔϏεϝ ογϡɺϚΠΫϩαʔϏεɺΠϛϡʔλϒϧΠϯϑϥετϥΫνϟɺ͓Αͼએݴܕ"1*͕͋Γ· ͢ɻ w ͜ΕΒͷख๏ʹΑΓɺճ෮ੑɺ؅ཧྗɺ͓ΑͼՄ؍ଌੑͷ͋Δૄ݁߹γεςϜ͕࣮ݱ͠·͢ɻ͜ ΕΒΛݎ࿚ͳࣗಈԽͱ૊Έ߹ΘͤΔ͜ͱͰɺΤϯδχΞ͸ΠϯύΫτͷ͋ΔมߋΛ࠷খݶͷ࿑ྗ

    Ͱසൟ͔ͭ༧ଌͲ͓Γʹߦ͏͜ͱ͕Ͱ͖·͢ɻ w $MPVE/BUJWF$PNQVUJOH'PVOEBUJPO͸ɺΦʔϓϯιʔεͰϕϯμʔதཱϓϩδΣΫτͷΤ ίγεςϜΛҭ੒ɾҡ࣋ͯ͠ɺ͜ͷύϥμΠϜͷ࠾༻Λଅਐ͍ͨ͠ͱߟ͑ͯ·͢ɻࢲͨͪ͸࠷ઌ ୺ͷύλʔϯΛຽओԽ͠ɺ͜ΕΒͷΠϊϕʔγϣϯΛ୭΋͕ར༻Ͱ͖ΔΑ͏ʹ͠·͢ɻ  IUUQTHJUIVCDPNDODGUPDCMPCNBJO%&'*/*5*0 ໨తͱ཭Ε͗͢ΔͷͰৄ͘͠͸આ໌͠·ͤΜ
  11. ૄ݁߹Ͱ͸ͳ͍γεςϜͱ͸ʁ w "WBJMBCJMJUZ w ίϯϙʔωϯτ͕ࢮ͵ͱશମ͕ࢮ͵ w 4DBMBCJMJUZ w ҰͭͷػೳΛεέʔϧͤ͞ΔͨΊʹ͸શମͷεέʔϧ͕ඞཁ w

    $PNQMFYJUZ w ৽͍͠ػೳΛ௥Ճ͢Δͱ͖ʹશମͱͷௐ࿨͕ඞཁͳͷͰେม  %# 6TF$PSF 'SJFOET 1JDUVSFT 1PTUT FUD 5JNF-JOF ໨తͱ཭Ε͗͢ΔͷͰৄ͘͠͸આ໌͠·ͤΜ
  12. ૄ݁߹ͳγεςϜͱ͸ʁ w 3FTJMJFOU w ҰͭͷαʔϏε͕ࢮΜͰ΋Ұ෦ͷαʔϏε͸ܧଓ w 'MFYJCMF4DBMF w αʔϏε͝ͱʹಠཱͯ͠εέʔϧϦιʔεͷ࠷దԽ w

    4JNQMJDJUZ w খ͞ͳ୯ҐͰ։ൃ͢Δ͜ͱʹΑΓ৽ػೳͷ௥Ճ͕༰қʹͳΔ  ໨తͱ཭Ε͗͢ΔͷͰৄ͘͠͸આ໌͠·ͤΜ
  13. ,VCFSOFUFTͷಛ௃ • ෆมͳΠϯϑϥ ◦ Ұ౓ɺߏஙͨ͠Πϯϑϥ͸มߋΛՃ͑Δ͜ͱͳ͘ഁغͯ͠ɺ৽͍͠΋ͷΛߏங͠ͳ͓ͤ͹Α͍ 
 *NQMJDJUPS%ZOBNJD(SPVQJOH ೖΕΔͱ͜Ζͳ͍ͷͰίίʹॻ͍͓͖ͯ·͢  •

    એݴతઃఆ ◦ ໋ྩతʹखॱ΍มߋཤྺΛه࿥͢ΔͷͰ͸ͳ͘એݴతͳઃఆͰ͸γεςϜͷ͋Δ΂͖࢟Λఆٛ͠·͢ɻ,VCFSOFUFT͸͜ͷఆٛϑΝΠϧ Λ֬ೝͯ͋͠Δ΂͖࢟ʹࣗ཯తʹಈ࡞͢Δ 
 %FDMBSBUJWF$PO fi HVSBUJPO • ࣗݾम෮ػೳ ◦ ,VCFSOFUFT͕ো֐΍ҟৗ͕͋ͬͨ࣌ʹ͋Δ΂͖࢟ʹͳΔҝʹγεςϜ͕ઃఆͨ͠௨Γʹ"1*Λ࠶ىಈͨ͠Γ༷ʑͳ࡞ۀΛࣗಈͰߦ͏ 
 3FDPODJMJBUJPO-PPQʹ࣮ͯݱ  ΞϓϦ։ൃऀ͸ ϦιʔεΛ͋Β͔͡Ί༻ҙͤͣ ίʔυͰݺͼग़͠ Ұ෦յΕͯ΋ࣗಈͰ෮چ͢Δ
  14. 8FCαʔϏεج൫Ϟσϧʹ͍ͭͯ •αʔϏε૚ ◦ ࣮ࡍͷ8FCΞϓϦ΍8FCαʔϏεͷίϯςϯπ૚ •ετϥςδʔ૚ ◦ 8FCαʔϏεͷಛੑʹ߹Θͤͯίϯςφج൫ΛΑΓಛ௃తʹ੍ޚ͢Δ૚ • ΦʔέετϨʔγϣϯ૚ ◦

    ίϯςφ܈΍ऩ༰ϗετ܈ͷϞχλϦϯά΍Ϧιʔε؅ཧ౳ʹΑͬͯ$3*Λ 
 հͯ͠ίϯςφΛ੍ޚ͢Δ૚ •ίϯςφϥϯλΠϜ૚ ◦ ίϯςφͦͷ΋ͷͷ੍ޚ૚ •ΠϯϑϥετϥΫνϟ૚ ◦ ϋʔυ΢ΣΞ΍7.ɺϕΞϝλϧ౳ͷίϯςφͷϦιʔεϓʔϧΛ࣮ݱ͢Δ૚  https://rand.pepabo.com/article/2017/06/28/iot38-matsumotory/ ΑΓ
  15. ετϥςδʔ૚ͷਐԽͱ֦େ w ϚΠΫϩαʔϏεΞʔΩςΫνϟʹ͓͚Δωοτϫʔ Ϋ໘Ͱͷ՝୊Λղܾ͢Δػೳ܈Λఏڙ͢Δ*TUJP w ϞμϯͳαʔόʔϨεϫʔΫϩʔυΛϏϧυɺσϓϩ Πɺ؅ཧ͢ΔͨΊͷ,VCFSOFUFTϕʔεͷϓϥοτϑ ΥʔϜ,OBUJWF 
 


    ͳͲɺ͞·͟·ͳ༻్ͷΞϓϦ͕஀ੜ͍ͯ͠Δ  ͪ͜ΒΛ·ͭ΋ͱΓʔ͞Μ͕ఆٛͨ͠ 
 ೥͔Βݱࡏͷ೥·Ͱͷؒʹ 
 ࠷΋มԽ͕ىͬͨ͜ͷ͕ετϥςδʔ૚
  16. ετϥςδʔ૚ͷ֦େͱ%BQSʹ͍ͭͯ w %BQSͱ͸ w ޮ཰తͳΫϥ΢υωΠςΟϒΞϓϦ։ൃΛ໨ࢦͨ͠ 
 ෼ࢄΞϓϦέʔγϣϯϥϯλΠϜ w %BQS͸αΠυΧʔʹΑΓαʔϏεؒͷݺͼग़ ͠ɺεςʔτ؅ཧɺαʔϏεؒϝοηʔδϯάͳͲ

    ͷඇػೳཁ݅Λ࣮ݱ͢ΔࣄͰ෼ࢄΞϓϦέʔγϣϯ ͷ࣮૷্ͷ՝୊Λղܾ͢Δػೳ܈Λఏڙ͢ΔϑϨʔ ϜϫʔΫͰ͢ɻ 
 
 ඇػೳతͰ͸͋Δ͕ຊདྷɺαʔϏε૚͕͍࣋ͬͯͨ 
 Ұ෦ػೳΛετϥςδʔ૚͕୲͍ͬͯΔɻ 
  17. %BQSͱ͸ʁ %JTUSJCVUFE"QQMJDBUJPO3VOUJNFͷུ 
 %BQSͷಛ௃ αΠυΧʔʹΑΓ೚ҙͷ։ൃݴޠ΍ϑϨʔϜϫʔΫͰ։ൃՄೳ ϕετϓϥΫςΟεΛϏϧσΟϯάϒϩοΫͱͯ͠ఏڙ (PBM IUUQTHJUIVCDPNEBQSEBQSHPBMT  ͋ΒΏΔݴޠ΍ϑϨʔϜϫʔΫΛ࢖༻ͯ͠ɺ෼ࢄΞϓϦέʔγϣϯΛهड़͢Δ͜ͱ͕Մೳ

    ϕετϓϥΫςΟεͷϏϧσΟϯάϒϩοΫΛఏڙ͢Δ͜ͱͰɺϚΠΫϩαʔϏε 
 ΞϓϦέʔγϣϯͷߏஙͰ։ൃऀ͕௚໘͢Δࠔ೉ͳ໰୊Λղܾ ίϛϡχςΟओಋͰɺΦʔϓϯ͔ͭϕϯμʔχϡʔτϥϧͰ͋Δ͜ͱ ৽ͨͳߩݙऀͷ֫ಘ Φʔϓϯ"1*ʹΑΔҰ؏ੑͱϙʔλϏϦςΟͷఏڙ Ϋϥ΢υ΍ΤοδͳͲɺϓϥοτϑΥʔϜʹͱΒΘΕͳ͍ ϕϯμϩοΫΠϯ͢Δ͜ͱͳ͘ɺ֦ுੑͱϓϥάΠϯՄೳͳίϯϙʔωϯτΛఏڙ͢Δ ߴ͍ύϑΥʔϚϯεͱܰྔԽʹΑΓɺ*P5΍ΤοδͷγφϦΦΛՄೳʹ͢Δ ࣮ߦ࣌ʹґଘ͢Δ͜ͱͳ͘ɺطଘͷίʔυ͔ΒΠϯΫϦϝϯλϧʹ࠾༻Ͱ͖Δ 
  18. ϏϧσΟϯάϒϩοΫ w ϏϧσΟϯάϒϩοΫ w Ұൠతʹ͸γεςϜΞʔΩςΫνϟΛߏ੒͢Δཁૉ w %BQSͰ͸ར༻Մೳͳػೳ܈ͷ͜ͱΛࢦ͢৔߹͕ଟ͍ w ϚΠΫϩαʔϏεͷϕετϓϥΫςΟεΛମܥԽͯ͠ػೳͱ࣮ͯ͠૷͞ΕͯΔ w

    αΠυΧʔͷ)551H31$Λݺͼग़ͯ͜͠ΕΒΛར༻͢Δ͜ͱ͕Ͱ͖Δ w ίϯϙʔωϯτ w ϏϧσΟϯάϒϩοΫͰར༻͞ΕΔػೳϞδϡʔϧ w ҰͭҎ্ͷෳ਺ͷίϯϙʔωϯτΛ࢖༻Մೳ w *'͕༻ҙ͞Ε͍ͯΔͷͰ͜ΕΒʹ߹ΘͤͯػೳΛ࣮૷ w ౷Ұ͞ΕͨΤϯυϙΠϯτ͕ར༻Ͱ͖ΔͷͰΞϓϦଆʹෳࡶੑΛ๊͑ࠐ·ͳͯ͘ྑ͍  IUUQTEPDTEBQSJPDPODFQUTCVJMEJOHCMPDLTDPO IUUQTHJUIVCDPNEBQSDPNQPOFOUTDPOUSJC
  19. ϏϧσΟϯάϒϩοΫ w αʔϏεؒݺͼग़͠ w ঢ়ଶ؅ཧ w ύϒϦογϡͱαϒεΫϥΠϒ w όΠϯμʔ w

    ΞΫλʔ w Մ؍ଌੑ w γʔΫϨοτͷ؅ཧ w ߏ੒ઃఆ  IUUQTEPDTEBQSJPEFWFMPQJOHBQQMJDBUJPOTCVJMEJOHCMPDLT ػೳ͕·ͩগͳ͍ͷͰ͜Ε͚ͩͰ 
 શͯΧόʔ͢Δͷ͸·ͩ೉͍͠ͱࢥ͏
  20. %BQSʹΑΔ3FQPTJUPSZͷٵऩ͖͠Δͷ͔ʁ w ԿΛந৅Խ͍ͯ͠Δͷ͔ʁ w 3FQPTJUPSZ͸ɺந৅ԽͱϨΠϠʔԽΛಉ࣌ʹߦ͏ͷ͕Ұൠత w %BQS͸લड़ͨ͠ϏϧσΟϯάϒϩοΫͱެࣜͷ4%,ʹΑͬͯϓϩτίϧͷந৅Խ͕Մೳ w ந৅Խʹ߹Θ࣮ͤͨ૷ΛҰ෦͠ͳͯ͘΋ྑ͍ͷͰશମͷ࣮૷ྔ͸ͦΓΌɺݮΔ 

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  21. %BQSʹΑͬͯ$PNQMFYJUZ͸ղফ͞ΕΔͷ͔ʁ w $PNQMFYJUZͱ͸ w ೝࣝ΍มߋΛࠔ೉ʹ͢Διϑτ΢ΣΞͷߏ଄ʹؔ͢Δશͯͷ΋ ͷΛࢦ͠·͢ w ͲΕ͚࣮ͩ૷͕ʮෳࡶʯͰ΋։ൃऀ͕ಡΈॻ͖͢Δඞཁ͕ͳ͍ Α͏ʹͳ͍ͬͯΕ͹ɺͦΕ͸$PNQMFYJUZͱ͸ݴ͍·ͤΜ w

    1SPYZ͕୲͏෦෼͸·ͩɺػೳ͕·ͩগͳ͍ w %BQSͰ$PNQMFYJUZͷղফͷເ͸ݟΕΔ͔ʁ w %BQSʹΑͬͯந৅ԽͷҰ෦ͷϝϦοτ͸ಘΒΕΔ w %BQSͰ΋ϨΠϠʔԽ͢Δͷ͸ࣗ෼ୡͰ͋Δ͜ͱΛ๨Εͣʹ w .PDL$MJFOUΈ͍ͨͳ࿩͕HPTELͰ΋ग़Ε͹͍͍͕ 
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  22. ࢀߟࢿྉ w *OGSBTUSVDUVSFBT$PEFͷ͜Ε·Ͱͱ͜Ε͔Β*OGSB4UVEZ.FFUVQΑΓ w IUUQTGPSLXFMMDPOOQBTTDPNFWFOU w %BQS%PDT w IUUQTEPDTEBQSJP w

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  23. ࢀߟࢿྉ w Ϋϥ΢υωΠςΟϒͱ,VCFSOFUFTʢ͍͍ͩͨ͋ͬͯΔΫϥ΢υωΠςΟϒʣ w IUUQTTQFBLFSEFDLDPNIJSP@LBNF[BXBLVSBVEPOFJUFJCVUPLVCFSOFUFTEBJUBJBUVUFSVLVSBVEPOFJUFJCV w %FTJHOJOH%JTUSJCVUFE4ZTUFNT 16#-*4)&%#:03FJMMZ.FEJB *OD 

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