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My Favorite Protocol: Idempotency-Key Header

Masato Ohba
February 10, 2024

My Favorite Protocol: Idempotency-Key Header

YAPC::Hiroshima 2024 "My Favorite Protocol: Idempotency-Key Header"

https://fortee.jp/yapc-hiroshima-2024/proposal/c907c754-a4e5-4573-a14a-c8bb828e8825

IETF draftとして提出されているIdempotency-Key Headerの背景・コンセプト・現在の動向を解説し、HTTPリクエストにおける"安全なリトライ"について掘り下げる発表です。

Masato Ohba

February 10, 2024
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  1.  8IP*BN 4NBSU#BOL *OD 4PGUXBSF&OHJOFFS .BTBUP0ICB !PICBSZF !PICBSZF 🏦 ܾࡁαʔϏε#Λ

    
 ։ൃɾӡ༻͢ΔϓϩάϥϚ 👨💻 *EFNQPUFODZ,FZ)FBEFSΛ 
 ೥ʹࣗࣾϓϩμΫτʹಋೖ :"1$ॳࢀՃ IUUQTPICBSZFHJUIVCJP
  2.  ղܾ͍ͨ͠՝୊ ਤ͸IUUQTEJDOJDPWJEFPKQBސ٬͕ຊ౰ʹඞཁͩͬͨ΋ͷΑΓ w ಉ͡ϦΫΤετΛෳ਺ճड͚෇͚ͯ΋݁Ռ͕มΘΒ ͳ͍ ʹႈ౳ͳ "1*αʔό w ϦτϥΠͷෳࡶ͞ΛαʔόଆͰղফ͢Δ

    Ϧιʔεͷঢ়ଶΛؾʹͤͣʹΫϥΠΞϯτ͕ԿճͰ΋ ϦΫΤετͰ͖Δ҆શͳϦτϥΠΛ࣮ݱ͍ͨ͠ ਤ͸IUUQTEJDOJDPWJEFPKQBސ٬͕ຊ౰ʹඞཁͩͬͨ΋ͷΑΓ
  3.  4BGF *EFNQPUFOU (&5 :&4 :&4 015*0/4 :&4 :&4 )&"%

    :&4 :&4 165 /P :&4 %&-&5& /P :&4 1045 /P /P 1"5$) /P /P )551NFUIPETTBGFUZJEFNQPUFODZ w (&5 015*0/4 )&"% 165 %&-&5&͸ႈ౳ w ϦΫΤετΛճճʜͱ܁Γฦͯ͠΋Ϧιʔε ͷঢ়ଶ͸มΘΒͳ͍ w 1045 1"5$)͸ႈ౳Ͱ͸ͳ͍ w ϦΫΤετΛճճʜͱ܁Γฦ͢ͱϦιʔεͷ ঢ়ଶ͕ͲΜͲΜมΘ͍ͬͯ͘ 📝༨ஊTBGFͱ͸ঢ়ଶΛม͑ͳ͍͜ͱΛ͍͏ 
 TBGF)551NFUIPET͸શͯJEFNQPUFOUͰ͋Δ 3'$ 3'$ʹΑΕ͹ ਤ͸IUUQTEFWFMPQFSNP[JMMBPSHFO64EPDT8FC)551.FUIPETΛݩʹ࡞੒ )551ϝιουʹ͓͚Δႈ౳ੑ ਤ͸IUUQTEFWFMPQFSNP[JMMBPSHFO64EPDT8FC)551.FUIPETΛݩʹ࡞੒ɻ53"$& $0//&$5͸লུɻ
  4.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ w 4USJQF 1BZ1BM౳ͷઌߦ࣮૷͕ଘࡏ͢Δ͕࣮૷͕όϥόϥ w ϔομʔ໊͕ҟͳͬͨΓɺϔομʔͰ͸ͳ͘ϦΫΤετϘσΟʹLFZΛؚΊͨΓ w ඪ४ԽʹΑͬͯظ଴͞ΕΔϝϦοτ͕͋Δ w

    ૬ޓӡ༻ੑͷ޲্ w ֤͕࣮ࣗ૷͠ͳͯ͘΋ඪ४࢓༷ʹैͬͯॲཧ͢Δπʔϧͷ։ൃ ESBGUͷϞνϕʔγϣϯ ຊࢿྉʮղܾ͍ͨ͠՝୊ʯͰड़΂ͨ಺༰
  5.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ αʔόΛӡ༻͢Δओମͱݴ͍׵͑ͯΑ͍ w ಉҰϦΫΤετ͝ͱʹVOJRVFͳ஋ w ҟͳΔϦΫΤετϖΠϩʔυͰ࠶ར༻ͯ͠͸͍͚ͳ͍ w VOJRVFOFTTͷอূͷ࢓ํ͸ϦιʔεΦʔφʔ ͕ఆٛ͠ɺ

    ΫϥΠΞϯτ͸ͦͷͱ͓Γʹ࣮૷͢Δ w 66*%౳ͷϥϯμϜͳࣝผࢠ͕ਪ঑͞ΕΔ ESBGUTFDUJPO6OJRVFOFTTPG*EFNQPUFODZ,FZ αʔόΛӡ༻͢Δओମͱݴ͍׵͑ͯΑ͍
  6.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ "1*GPS-46% -BSHF4FUPG6OLOPXO%FWFMPQFST Λલఏͱ͍ͯ͠Δ͔ͷΑ͏ͳ 
 දݱ͕͋Δ͕ɺJOUFSOBM"1*GPS44,%Ͱ΋ಉ͜͡ͱ͕ݴ͑ΔͷͰ͜͜Ͱ͸ಛʹ۠ผ͠ͳ͍ w *EFNQPUFODZ,FZʹ͸༗ޮظݶΛઃ͚ͯྑ͍ w

    ϦιʔεΦʔφʔ͸༗ޮظݶ੾ΕͷLFZΛ࡟আͯ͠Α͍ w ༗ޮظݶͷϙϦγʔ͸ϦιʔεΦʔφʔ͕ఆٛ͠ɺެ։͠ ͳ͚Ε͹ͳΒͳ͍ ESBGUTFDUJPO*EFNQPUFODZ,FZ7BMJEJUZBOE&YQJSZ "1*GPS-46% -BSHF4FUPG6OLOPXO%FWFMPQFST Λલఏͱ͍ͯ͠Δ͔ͷΑ͏ͳ 
 දݱ͕͋Δ͕ɺJOUFSOBM"1*GPS44,%Ͱ΋ಉ͜͡ͱ͕ݴ͑ΔͷͰ͜͜Ͱ͸ಛʹ۠ผ͠ͳ͍
  7.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ w ϦΫΤετͷಉҰੑΛ൑அ͢ΔͨΊʹ*EFNQPUFODZ,FZͱ fi OHFSQSJOUΛ૊Έ߹Θͤͯ࢖ͬͯ΋ྑ͍ w fi OHFSQSJOU͸ϦΫΤετϖΠϩʔυΛ΋ͱʹαʔό͕ੜ੒͢Δ஋ w

    ྫϦΫΤετϘσΟͷ.%IBTIΛ fi OHFSQSJOUͱ͠ɺ 
 Ұகͨ͠ΒಉҰϦΫΤετͱߟ͑Δ ESBGUTFDUJPO*EFNQPUFODZ'JOHFSQSJOU
  8.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ w Ϧιʔεαʔό w *EFNQPUFODZ,FZʹؔ͢Δ࢓༷Λެ։͢Δ w &YQJSZʹ͍ͭͯ༗ޮظݶ͕͋ΔͳΒ໌ه͢Δ w *EFNQPUFODZ,FZͷϥΠϑαΠΫϧΛ؅ཧ͢Δ

    w ֤ϦΫΤετ͝ͱʹ w IFBEFS͔Β*EFNQPUFODZ,FZΛಛఆ͢Δ w ඞཁͳΒ fi OHFSQSJOUΛੜ੒͢Δ w ޙड़͢ΔγφϦΦʹԊͬͯॲཧ͢Δ ESBGUTFDUJPO3FTQPOTJCJMJUJFT
  9.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ w ະ஌ͷLFZ͕དྷͨͱ͖ w ௨ৗ௨Γʹॲཧ͢Δ w ط஌ͷLFZ͕དྷͨͱ͖ 3FUSZ 

    w ࠷ॳͷϦΫΤετ͕׬ྃͨ͋͠ͱʹϦτϥΠϦΫΤετ͕དྷͨέʔε w طʹ׬ྃͨ͠ϦΫΤετͱಉҰͷϨεϙϯεΛฦ͢ w ط஌ͷLFZ͕དྷͨͱ͖ $PODVSSFOU3FRVFTU  w ࠷ॳͷϦΫΤετ͕׬ྃ͢ΔલʹϦτϥΠϦΫΤετ͕དྷͨέʔε w SFTPVSDFDPO fl JDUFSSPSΛฦ͢ ESBGUTFDUJPO*EFNQPUFODZ&OGPSDFNFOU4DFOBSJPT
  10.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ ΫϥΠΞϯτ͔Β 
 ϦΫΤετ ΤϯυϙΠϯτͷॲཧ LFZ 
 SFRVJSFE IBT

    
 LFZ LOPXO 
 LFZ LFZ 
 FYQJSFE LFZ 
 MPDLFE TBNF 
 QBZMPBE อଘͨ͠ 
 ϨεϙϯεΛฦ͢    ɾLFZͱϦΫΤετΛه࿥ 
 ɾΤϯυϙΠϯτͷॲཧ 
 ɾϨεϙϯεΛอଘ ϨεϙϯεΛฦ͢ /0 :&4 :&4 :&4 /0 /0 :&4 /0 /0 :&4 :&4 /0 αʔό࣮૷ϑϩʔνϟʔτྫ *EFNQPUFODZ,FZΛཁٻ͢ΔΤϯυϙΠϯτ͔ʁ SFRVFTUIFBEFSʹLFZ͕ଘࡏ͢Δ͔ʁ αʔόͰط஌ͷLFZ͔ʁ ༗ޮظݶ͕͋Δ৔߹ ظݶ੾ΕͷLFZ͔ʁ ผͷϦΫΤετͰॲཧதͷLFZ͔ʁ ϦΫΤετQBZMPBE͸ಉ͔͡ʁ ৚ ݅ ෼ ذ Ϋ ϥ Π Ξ ϯ τ ʹ ظ ଴ ͢ Δ ͜ ͱ LFZΛ෇༩ͯ͠ 
 ϦτϥΠ ࣌ؒΛۭ͚ͯ 
 ϦτϥΠ ผͷLFZ͔ॳճͱಉ͡ 
 QBZMPBEͰϦτϥΠ VOJRVFͳLFZΛ 
 ෇༩ͯ͠ϦΫΤετ
  11.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ w *EFNQPUFODZ,FZ)FBEFS͸҆શͳϦτϥΠΛՄೳʹ͢Δ࢓૊Έ w )551"1*8PSLJOH(SPVQͷ΋ͱඪ४ԽΛ໨ࢦ͍ͯ͠Δ w ݱ࣮ੈքʹ͸ྨࣅ࣮૷͕͍ͭ͘΋ଘࡏ  w

    ೥݄࣌఺Ͱ8(-BTU$BMM  w ෆ੔߹σʔλΛ๷͙͚ͩͰͳ͘ΫϥΠΞϯτʹͱͬͯΑΓ࢖͍΍͍͢8FC "1*ΛఏڙͰ͖Δ w ϨεϙϯεΛ࠶ݱ͢Δͱ͍͏ΩϟογϡతͳৼΔ෣͍ͷ͓͔͛ ԡ͓͑ͯ͘͞ϙΠϯτ 3FRVFTU*E౳ͷҟͳΔIFBEFS໊Λ࢖͏ɺCPEZʹLFZΛؚΊΔ ʰϚΠΫϩαʔϏεΞʔΩςΫνϟʱʮႈ౳ੑʯ FUD 
 3'$·ͰͷಓͷΓ͸IUUQTKQSTKQSFMBUFEJOGPHVJEFQEGʹৄ͍͠
  12.  *EFNQPUFODZ,FZ)FBEFSͷఏҊ࢓༷ IUUQTHJUIVCDPNJFUGXHIUUQBQJJEFNQPUFODZJTTVFT 
 0SHBOJ[BUJPOGPSUIF"EWBODFNFOUPG4USVDUVSFE*OGPSNBUJPO4UBOEBSET w *&5'NFFUJOH΍(JU)VC JTTVFT Ͱٞ࿦͞Ε͍ͯΔ w

    ࣌఺ͷPQFO JTTVF͸ͷΈ w 0"4*40%BUBͷ3FQFBUBCMF 3FRVFTUTͱͷؔ࿈ʹ͍ͭͯ ESBGUʹ࢒Δ՝୊ IUUQTHJUIVCDPNPSHTJFUGXHIUUQBQJQSPKFDUTWJFXT fi MUFS2VFSZSFQP"JFUGXHIUUQBQJ'JEFNQPUFODZ 
 0SHBOJ[BUJPOGPSUIF"EWBODFNFOUPG4USVDUVSFE*OGPSNBUJPO4UBOEBSET
  13.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ ΫϥΠΞϯτ࣮૷͸αʔό࣮૷ΑΓ؆қɺ͔ͭࢀরͰ͖Δ࣮૷͕ެ։͞Ε͍ͯΔ 
 FHIUUQTHJUIVCDPNTUSJQF w *EFNQPUFODZ,FZΛѻ͏γεςϜͷ࣮૷ʹ͸ͭͷࢹ఺͕͋Δ w αʔόαΠυ w

    ΫϥΠΞϯταΠυ  w ຊࢿྉͰ͸αʔόαΠυͷ࣮૷ϙΠϯτΛ͍͔ͭ͘঺հ w ܾࡁαʔϏε#ʹ͓͚Δ࣮ྫɾ࣮੷ɾӡ༻ʹ͍ͭͯ ࿩͢͜ͱ ΫϥΠΞϯτ࣮૷͸αʔό࣮૷ΑΓ؆қɺ͔ͭࢀরͰ͖Δ࣮૷͕ެ։͞Ε͍ͯΔ 
 FHIUUQTHJUIVCDPNTUSJQF
  14.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ 3%#.4ʹอଘ͢Δྫ 🔑JEFNQPUFODZ@LFZ LFZͦͷ΋ͷΛอଘ͢Δ 🔐MPDLFE@BU ಉҰLFZʹର͢Δૢ࡞ͷDPO fl JDUΛݕग़͢Δ ➡SFRVFTU@

    NFUIPEcQBUIcQBSBNT  ϦΫΤετͷಉҰੑ֬ೝʹ༻͍Δ ⬅SFTQPOTF@ DPEFcCPEZcIFBEFST  ط஌ͷLFZͰϦτϥΠ͞Εͨͱ͖ʹฦ͢Ϩεϙϯε 📝ܕ΍੍໿͸ঢ়گʹԠͯ͡ཁมߋ
  15.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ ΑΓ޿͍ϢʔεέʔεʹରԠ 🗓DSFBUFE@BU 
 &YQJSZΛઃ͚ΔͳΒඞਢ QVSHF /࣌ؒޙʹ࡟আ ʹ΋༻͍Δ 👩💻VTFS@JE

    Ϣʔβʔ୯ҐͰVOJRVFͳLFZͱͯ͠΋Α͍ িಥՄೳੑͷ͋ΔLFZੜ੒Λ͢Δ৔߹͸ॏཁ ݕࡧޮ཰͕޲্͢Δ͜ͱ΋͋Δ 📝VOJRVFJOEFYͰॏෳΛ๷͍Ͱ͓͘ͱΑ͍
  16.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w 3FEJT.POHP%#౳Ͱ΋࣮ݱ͸Մೳ w &YQJSZΛ؆୯ʹ࣮ݱͰ͖Δ 55-JOEFYFUD  w ͍ΘΏΔϨεϙϯεΩϟογϡͱࣅͨ؆қͳ࣮૷ʹͰ͖Δ

    w 3FBE8SJUFͱ΋ʹେ఍ͷ৔߹͸3%#.4ΑΓߴ଎ʹॲཧͰ͖Δ w τϥϯβΫγϣϯ͕ඞਢͳέʔε΋͋Δ อଘઌ͸3%#.4Ͱͳͯ͘͸μϝͳͷ͔ʁ
  17.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w 4USJQFͷྫIUUQTCSBOEVSPSHGSBHNFOUTJEFNQPUFODZLFZESBGU w ͓ͦΒ͘3%#.4ɻେྔͷϨίʔυ࡟আ͕೉͍͠έʔεͰ͸.POHP%#΍3FEJTΛݕ౼Ͱ͖Δ͜ͱΛࣔࠦ w !CSBOEVSʹΑΔ࣮ྫIUUQTCSBOEVSPSHJEFNQPUFODZLFZT w લड़ͷ௨Γ3%#.4ɻΤϯυϙΠϯτ಺Ͱ֎෦"1*ʹϦΫΤετΛ౤͛ΔલޙʹBUPNJDQIBTFT͕͋Δ

    w "JSCOCIUUQTNFEJVNDPNBJSCOCFOHJOFFSJOHBWPJEJOHEPVCMFQBZNFOUTJOBEJTUSJCVUFEQBZNFOUT TZTUFNGCCC w 3%#.4 w IUUQTHJUIVCDPNHVJUTBSVSBDLJEFNQPUFODZ w *ONFNPSZ೚ҙͷ4UPSBHFΛ౉ͤΔ w IUUQTHJUIVCDPNRPOUPJEFNQPUFOUSFRVFTU w 3FEJT ଞͷ࣮૷ΛݟͯΈΔ
  18.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w $POUSPMMFS w 8FCΞϓϦέʔγϣϯͷDPOUSPMMFS SFRVFTUIBOEMFSʹ࣮૷͢Δ w .JEEMFXBSF w

    )551ϦΫΤετϨεϙϯεͷந৅ Λѻ͏NJEEMFXBSFMBZFSʹ࣮૷͢Δ *EFNQPUFODZ,FZ)FBEFSͷϩδοΫΛͲͷϨΠϠʔͰ࣮૷͢Δ͔ʁ 8FCαʔό 1VNB 6OJDPSOFUD ͱ8FCΞϓϦέʔ γϣϯ 3BJMT 4JOBUSBFUD ͷதؒʹͯԿΒ͔ͷॲ ཧΛߦ͏ϨΠϠʔΛࢦ͢ ֤ݴޠͰఆٛ͞ΕΔΠϯλϑΣʔε࣮૷ 3BDL  84(* 14(* 3JOH 8"* ͷଟ͕͘NJEEMFXBSFͱ ͍͏ݴ༿Λ࢖͍ͬͯΔ ☝ଞϨΠϠʔͰͷ࣮૷΋Ͱ͖Δ͕ 
 )551ͷؔ৺Λهड़͢Δͷʹద੾ͳϨΠϠʔͱ্ͯ͠هͭ 📝NJEEMFXBSFͱ͸
  19.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ $POUSPMMFS૚Ͱ࣮૷͢Δ ΫϥΠΞϯτ͔Β 
 ϦΫΤετ ΤϯυϙΠϯτͷॲཧ LFZ 
 SFRVJSFE

    IBT 
 LFZ LOPXO 
 LFZ LFZ 
 FYQJSFE LFZ 
 MPDLFE TBNF 
 QBZMPBE อଘͨ͠ 
 ϨεϙϯεΛฦ͢    ɾLFZͱϦΫΤετΛه࿥ 
 ɾΤϯυϙΠϯτͷॲཧ 
 ɾϨεϙϯεΛอଘ ϨεϙϯεΛฦ͢ /0 :&4 :&4 :&4 /0 /0 :&4 /0 /0 :&4 :&4 /0 ϑ ϩ ν τ ͱ ͷ ର Ԡ
  20.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ ΫϥΠΞϯτ͔Β 
 ϦΫΤετ ΤϯυϙΠϯτͷॲཧ LFZ 
 SFRVJSFE IBT

    
 LFZ LOPXO 
 LFZ LFZ 
 FYQJSFE LFZ 
 MPDLFE TBNF 
 QBZMPBE อଘͨ͠ 
 ϨεϙϯεΛฦ͢    ϨεϙϯεΛฦ͢ /0 :&4 :&4 :&4 /0 /0 :&4 /0 /0 :&4 :&4 /0 ϑ ϩ ν τ ͱ ͷ ର Ԡ ɾLFZͱϦΫΤετΛه࿥ 
 ɾΤϯυϙΠϯτͷॲཧ 
 ɾϨεϙϯεΛอଘ
  21.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ ϦτϥΠϦΫΤετʹରԠ ϑ ϩ ν τ ͱ ͷ ର

    Ԡ ΫϥΠΞϯτ͔Β 
 ϦΫΤετ ΤϯυϙΠϯτͷॲཧ LFZ 
 SFRVJSFE IBT 
 LFZ LOPXO 
 LFZ LFZ 
 FYQJSFE LFZ 
 MPDLFE TBNF 
 QBZMPBE อଘͨ͠ 
 ϨεϙϯεΛฦ͢    ɾLFZͱϦΫΤετΛه࿥ 
 ɾΤϯυϙΠϯτͷॲཧ 
 ɾϨεϙϯεΛอଘ ϨεϙϯεΛฦ͢ /0 :&4 :&4 :&4 /0 /0 :&4 /0 /0 :&4 :&4 /0
  22.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ ΤϥʔγφϦΦ ϑ ϩ ν τ ͱ ͷ ର

    Ԡ ΫϥΠΞϯτ͔Β 
 ϦΫΤετ ΤϯυϙΠϯτͷॲཧ LFZ 
 SFRVJSFE IBT 
 LFZ LOPXO 
 LFZ LFZ 
 FYQJSFE LFZ 
 MPDLFE TBNF 
 QBZMPBE อଘͨ͠ 
 ϨεϙϯεΛฦ͢    ɾLFZͱϦΫΤετΛه࿥ 
 ɾΤϯυϙΠϯτͷॲཧ 
 ɾϨεϙϯεΛอଘ ϨεϙϯεΛฦ͢ /0 :&4 :&4 :&4 /0 /0 :&4 /0 /0 :&4 :&4 /0
  23.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w DPOUSPMMFS BDUJPONFUIPET ͷ֎ͰϨεϙϯεΛܾఆ͢Δέʔεʹ೉͋Γ w +40/TFSJBMJ[F w "DUJPO%JTQBUDI&YDFQUJPO8SBQQFS

    DPO fi HBDUJPO@EJTQBUDISFTDVF@SFTQPOTFTͰઃఆͰ͖Δ΍ͭ ͳͲ w SFTQPOTFIFBEFST΍TUBUVTDPEF͸BDUJPONFUIPET಺Ͱ͸ܾఆ͠ͳ͍͜ͱ΋͋Δ w BDUJPONFUIPETͷ֎ଆͷػߏ͕มߋ͞Εͨͱ͖ʹัଊͰ͖ͳ͍Մೳੑ͕͋Δ w ΞϓϦέʔγϣϯݻ༗ͷ஌ࣝͱ*EFNQPUFODZ,FZͷϩδοΫ͕ີ݁߹ $POUSPMMFS૚Ͱ࣮૷͢Δ৔߹ͷ՝୊
  24.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w ΞϓϦέʔγϣϯݻ༗ͷ஌ࣝͱ੾Γ཭͢͜ͱ͕Ͱ͖Δ w NJEEMFXBSFͰ͸)551ϦΫΤετϨεϙϯεͷ ந৅ͷΈΛѻ͏ w SFRVFTUFOW w

    SFTQPOTF<TUBUVT IFBEFST CPEZ> w 3BJMTΞϓϦέʔγϣϯͰͷॲཧ݁ՌͱͳΔϨεϙϯ εΛ؆୯ʹಘΒΕΔ 
 NJEEMFXBSF૚Ͱ࣮૷͢ΔͱͲ͏ͳΔ͔ʁ
  25.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w ϦΫΤετͷಉҰੑνΣοΫ͸TFNBOUJDBMMZJEFOUJDBM͔Ͳ͏͔ΛݟΔ w ɹɹɹɹɹɹɹɹɹɹɹɹͱɹɹɹɹɹɹɹɹɹɹɹ͸ಉҰQBZMPBEͱΈͳ͢ w ഑ྻ΍ωετͨ͠ߏ଄ͷQBSBNFUFSTʹ΋஫ҙ w ݱ࣮ੈքͷQBUITͷ൑ఆ͸ΑΓෳࡶ

    w ਖ਼نදݱ΍1SPDͳͲͰ൑ఆͤ͞Δ w *EFNQPUFODZ,FZͷTBWFʹࣦഊͨ͠έʔε΋ߟྀ͢Δ w ࡞੒ʹࣦഊΤϯυϙΠϯτͷॲཧΛߦΘͣΛฦ͢ɻϦΫΤετͷႈ౳ੑΛอূͰ͖ͳ͍ͨΊ w ߋ৽ʹࣦഊϩοΫ͕։์͞Εͳ͍Ϩεϙϯε͕ه࿥͞Εͳ͍··ʹͳΔɻผϨΠϠʔ όο ν खಈ ͰϦΧόϦ མͪึर͍
  26.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w طଘ"1*ʹಋೖ͢Δ৔߹ͷޙํޓ׵ੑͷߟྀ w IFBEFSΛSFRVJSFEʹ͢Δͱޙํޓ׵ੑ͕ͳ͘ͳΔ w WFSTJPOJOHͰճආ͢Δ͔ɺOPUSFRVJSFEʹ͢Δ w "1*ͷ֎ܗతͳৼΔ෣͍Ҏ֎ͷ࣮૷

    w FYQJSFELFZTͷ࡟আ w த్൒୺ʹऴΘͬͯϦτϥΠ͞Εͳ͍ϦΫΤετͷิਖ਼ w LFZͷอଘߋ৽࣌ͷྫ֎ॲཧ *&5'ESBGUʹ଍Γͳ͍΋ͷ͸Կ͔ʁಋೖ͢Δ͏͑Ͱ଍Γͳ͍͜ͱ ΫϥΠΞϯτ͔Β 
 ϦΫΤετ ΤϯυϙΠϯτͷॲཧ LFZ 
 SFRVJSFE IBT 
 LFZ  /0 :&4 /0
  27.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻  ,FZΛอଘ͢ΔετϨʔδͱͯ͠ԿΛબͿ͔ w 3%#.4΍3FEJT౳ɺΞϓϦέʔγϣϯͷ֎෦ετϨʔδ͕Ұൠత  ͲͷϨΠϠʔͰ࣮૷͢Δ͔ w )551ͷؔ৺Λѻ͏NJEEMFXBSFMBZFS

    FH3BDL 84(* 14(* 3JOH 8"*   *&5'ESBGUʹ଍Γͳ͍΋ͷ͸Կ͔ w طଘ8FC"1*ʹಋೖ͢Δ৔߹ͷޙํޓ׵ੑͷߟྀ w 8FC"1*ͷ֎ܗతͳৼΔ෣͍Ҏ֎ͷ࣮૷ αʔόαΠυ࣮૷ͷ্Ͱߟྀ͢΂͖఺
  28. X

  29.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ αʔϏεશମͷٕज़ৄࡉ͸ʰ#αʔϏε্ཱͪ͛࣌ͷٕज़બఆʹ͍ͭͯʢαʔόαΠυฤʣʱ 
 IUUQTZVUBIBUFOBCMPHDPNFOUSZࢀর w ֎෦γεςϜͱͷ௨৴͕ଟ͘ൃੜ͢Δ w QBZNFOUHBUFXBZTɺ7JTBOFUXPSLɺ"5.FUD w

    ֎෦γεςϜ΁ͷϦΫΤετ͸جຊతʹऔΓফͤ ͳ͍ ϓϩμΫτಛੑ ͓ۚʹؔ͢Δσʔλ੔߹ੑΛकΔͨΊ 
 *EFNQPUFODZ,FZ)FBEFSΛ೥͔Βಋೖ αʔϏεશମͷٕज़ৄࡉ͸IUUQTTNBSUCBOLDPKQSFDSVJUFOHJOFFSTVNNBSZࢀর
  30.  *EFNQPUFODZ,FZ)FBEFSͷ࣮૷ͱӡ༻ w *EFNQPUFODZ,FZ͸3%#.4ʹอଘ͍ͯ͠Δ w 3BDLNJEEMFXBSFͱ࣮ͯ͠૷ w ΞϓϦέʔγϣϯݻ༗ͷ஌ࣝ͸NJEEMFXBSF಺ʹ࣋ͨͤͣ֎͔ΒPQUJPOTͱͯ͠౉͢ w ESBGUͰఆ͍ٛͯ͠ͳ͍Օॴ͸ಠࣗʹఆٛɾ൑அ

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  31.  ·ͱΊ w 3&45"1*Ҏ֎Ͱͷ࣮૷ w *EFNQPUFODZ,FZΛ౉͢ͷ͸)551)FBEFSͰͳͯ͘΋ྑ͍ w H31$ͷύϥϝʔλʹؚΊͨΓ΋͢Δ w ϚΠΫϩαʔϏεͷ࿩

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  32.  ൃలతͳ࣮૷ IUUQTCSBOEVSPSHJEFNQPUFODZLFZT 
 IUUQTHJUIVCDPNCSBOEVSSPDLFUSJEFTBUPNJD w ετϨʔδ͸1PTUHSF42- w *EFNQPUFODZ,FZͷ࣮૷͸DPOUSPMMFS૚ Ͱߦ͏

    w ΤϯυϙΠϯτ಺ͷॲཧΛ෼ׂ͠ɺ SFDPWFSZQPJOUΛLFZͱ߹Θͤͯه࿥ w ϦτϥΠ࣌͸ॲཧͷ్த͔Β࠶։͢Δ w த్൒୺ʹऴΘͬͨϦΫΤετ͸όο νॲཧͰ׬ྃͤ͞Δ !CSBOEVSʹΑΔ1PTUHSF42- 4JOBUSBͰͷ࣮૷ IUUQTCSBOEVSPSHJEFNQPUFODZLFZT 
 IUUQTHJUIVCDPNCSBOEVSSPDLFUSJEFTBUPNJD
  33.  ൃలతͳ࣮૷ IUUQTNFEJVNDPNBJSCOCFOHJOFFSJOHBWPJEJOHEPVCMFQBZNFOUTJOB EJTUSJCVUFEQBZNFOUTTZTUFNGCCC w ෼ࢄτϥϯβΫγϣϯͷ೉͠͞ʹରॲ͢ΔͨΊͷϥΠϒϥϦ0SQIFVT w "1*ϦΫΤετΛϑΣʔζʹ෼ׂ w 1SF31$ϦΫΤετͷৄࡉΛه࿥

    w 31$֎෦αʔϏεݺग़ w 1PTU31$31$ͷ݁ՌΛه࿥ w ϧʔϧ w 31$ϑΣʔζҎ֎Ͱ͸ωοτϫʔΫϦΫΤετΛߦΘͳ͍ w 31$ϑΣʔζͰ͸σʔλϕʔεͷࢀরɾߋ৽ΛߦΘͳ͍ w ϥΠϒϥϦͷॲཧ *EFNQPUFODZ,FZͷه࿥ ͱΤϯυϙΠϯτͷॲཧ ΛBUPNJDʹ͍ͯ͠Δ w +BWBMBNCEBΛ࢖͏ 3VCZͷCMPDL QSPDΛҾ਺Ͱ౉͢Πϝʔδ "JSCOCͷ40"ʹ͓͚ΔϥΠϒϥϦΞϓϩʔν IUUQTNFEJVNDPNBJSCOCFOHJOFFSJOHBWPJEJOHEPVCMFQBZNFOUTJOBEJTUSJCVUFEQBZNFOUT TZTUFNGCCC
  34.  ࢀߟจݙ w 3'$ w IUUQTEBUBUSBDLFSJFUGPSHEPDIUNMSGD w 3'$ w IUUQTEBUBUSBDLFSJFUGPSHEPDIUNMSGD

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  35.  ࢀߟจݙ w 5IF*EFNQPUFODZ,FZ)551IFBEFS fi FME)BDLFS/FXT w IUUQTOFXTZDPNCJOBUPSDPNJUFN JE w

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  36.  ࢀߟจݙ w Πϯλʔωοτඪ४ͷ࡞ΒΕํʙ̛̞̩̚ʹ͓͚Δඪ४Խͱ̧̛̘ͷ֓ཁʙ w IUUQTKQSTKQSFMBUFEJOGPHVJEFQEG w ϚΠΫϩαʔϏεʹ͓͚ΔܾࡁτϥϯβΫγϣϯ؅ཧNFSDBSJFOHJOFFSJOH w IUUQTFOHJOFFSJOHNFSDBSJDPNCMPHFOUSZ

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