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Ϋϥ΢υσʔληϯλʔωοτϫʔΫͷ l͍·zͱ l͜Ε͔Βz "*.-)1$ωοτϫʔΫ෼Պձ .BTBZVLJ,PCBZBTIJ

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ωοτϫʔΫΛਐԽͤ͞ΔΩʔϑΝΫλʔ͸Կ͔ $PNQVUJOH*OOPWBUJPO 4UPSBHF*OOPWBUJPO /FUXPSLJOH*OOPWBUJPO • ෼ࢄػցֶश • "*$IJQͷ௒ߴ଎Խ ίϯϐϡʔςΟϯάͱετϨʔδͷٕज़ֵ৽͕ωοτϫʔΫʹਐԽѹΛ͔͚Δ • ෼ࢄετϨʔδ • /7.F 4$. 1.&. • +PC$PNQMFUJPO5JNF࡟ݮ • Ϟσϧ։ൃͰͷϨΠςϯγ࡟ݮ

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͜Ε·ͰͷίϯϐϡʔςΟϯάͱσʔληϯλʔωοτϫʔΫ ϞϊϦε͔ΒϚΠΫϩαʔϏε΁ ϕΞϝλϧ͔Β7.ɺͦͯ͠ίϯςφ΁ ίϯϐϡʔςΟϯάͷਐԽ͸γεςϜϦιʔεͷ෼ࢄ഑ஔΛՄೳʹͨ͠ɻ ωοτϫʔΫͷੑೳ͕γεςϜશମͷύϑΥʔϚϯεʹେ͖͘Өڹ͢Δɻ

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͜Ε·ͰͷίϯϐϡʔςΟϯάͱσʔληϯλʔωοτϫʔΫ $MPVE/BUJWF%$/FUXPSL 8FC4DBMF యܕతͳ l'BCSJDz΍ l$MPTzͱݺ͹ΕΔϨΨγʔτϙϩδ ίϞσΟςΟ&UIFSOFUσόΠεʹΑΔεέʔϧΞ΢τ *1ϕʔεͷύε෼ࢄʹΑΔ#JTFDUJPO #BOEXJEUIར༻ ଟ༷ͳϑϩʔͷࠞࡏ $PNQVUJOH 4UPSBHF FUD $16r$FOUSJD"SDIJUFDUVSF

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͍·զʑΛऔΓר͘ঢ়گͱ՝୊ େن໛ݴޠϞσϧ ੜ੒"* ࣗવݴޠॲཧ 5SBOTGPSNFSϞσϧ ෼ࢄػցֶश ΂͖৐ଇʹΑΔ౤ೖϞσϧͷେن໛Խ ˠ ઐ༻ΞΫηϥϨʔλ (16 ͱΫϥελؒ௨৴ͷ֬อ ޫి༥߹ ΦʔϧϑΥτχΫε ஗Ԇͱফඅిྗͷ࡟ݮ ߴ଎େ༰ྔ௨৴ ˠ ൒ಋମ։ൃ ઐ໳֎ͷͨΊຊࢿྉͷείʔϓ֎

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$16 ͜Ε·ͰͷίϯϐϡʔςΟϯάͱσʔληϯλʔ جຊతʹ͢΂͕ͯ $16Ͱ࣮ߦ͞Ε͍ͯͨ )ZQFSWJTPST *01SPDFTT /FUXPSL4UBDL ςφϯτίʔυ ΞϓϦέʔγϣϯ /*$ "QQ LT *0 )7 /FUXPSL େྔͷσʔλసૹΛ൐͏ϫʔΫϩʔυͳͲͰɺ $16͕ϘτϧωοΫʹͳΔ ςφϯτॲཧʹׯব $16Ϧιʔε͸ՄೳͳݶΓ"QQ ςφϯτ Ͱར༻͍ͨ͠ 1$*F

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%16*16 ͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ %JTUSJCVUFE%JTBHHSFHBUFE$PNQVUJOH $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F (1(16 "*.- 1$*F 1$ *F

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͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ %JTUSJCVUFE%JTBHHSFHBUFE$PNQVUJOH $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F (1(16 "*.- 1$*F %16*16 $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F 4UPSBHF /7.F 1$*F 8FC4DBMF'BCSJD 'SPOUFOE/FUXPSL 4DIFEVMFE'BCSJD "*.- #BDLFOE/FUXPSL $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F 1$*F 1$*F

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͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ 3%."#BTFE*OUFSDPOFDU $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F (1(16 "*.- 1$*F %16*16 $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F 4UPSBHF /7.F 1$*F 4DIFEVMFE'BCSJD "*.- #BDLFOE/FUXPSL $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F $16 /*$ "QQ LT *0 )7 /FUXPSL 1$*F 1$*F 1$*F 8FC4DBMF'BCSJD 'SPOUFOE/FUXPSL

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͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ $PNQVUJOH 4UPSBHF 3%."/FUXPSL

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͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ )PU$IJQT5FTMBجௐߨԋ l#FZPOE$PNQVUF&OBCMJOH"*5ISPVHI4ZTUFN*OUFHSBUJPOzΑΓ

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͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ l'VUVSFEBUBDFOUFSTPGBMMLJOETXJMMCFCVJMUMJLFIJHIQFSGPSNBODFDPNQVUFST z /WJEJB$&0 +FOTFO)VBOH

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͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ

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֤ϫʔΫϩʔυ͕ωοτϫʔΫʹٻΊΔ͜ͱ )1$ ஗ԆͷӨڹΛඇৗʹड͚΍͍͢ΞϓϦέʔγϣϯͰδολ͸ճආ͍ͨ͠ ௒௿஗ԆΛ࣮ݱ͢ΔͨΊʹɺେྔͷύέοτΛΩϡʔʹೖΕΔ͜ͱ͸ආ͚Δ %$2$/ʹ͓͚ΔύέοτϚʔΩϯάʹΑΔΞάϨογϒίϯτϩʔϧඞਢ "*.- )1$ͱରۃʹ͋Δػցֶशͷ(16ΞϓϦέʔγϣϯ ௿ϨΠςϯγ͕๬·͍͕͠ɺͦΕΑΓ΋࢖༻Մೳͳ࠷େεϧʔϓοτ͕ཁٻ͞ΕΔ %$2$/ͷύέοτϚʔΩϯά͸ϥϯμϜͰঃʑʹ૿Ճͤ͞Δ

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8FC4DBMF/FUXPSLͱ "*.-/FUXPSLͷҧ͍ 8FC4DBMF/FUXPSL ଟ༷ͰෆۉҰͳଟ਺ͷϑϩʔ͕ࠞࡏ͠ɺݸผͷϑϩʔͷτϥϑΟοΫ͸খ͍͞ ΄ͱΜͲͷϑϩϯτΤϯυ௨৴͸5$1ʹґଘͰ͖ΔͨΊύέοτϩεʹඇৗʹ׮༰ "*.-/FUXPSL ଟ਺ͷδϣϒ͕ಉظ͠ͳ͕Βू߹ԋࢉΛߦ͍ɺߴଳҬ෯ͷ௨৴͕ඞཁʹͳΔ ͢΂ͯͷδϣϒ͕࠷΋஗͍δϣϒʹΑͬͯ཯଎͞ΕΔ 3%."͸ΧʔωϧόΠύεͷͨΊ5$1ʹґଘͰ͖ͣɺύέοτϩεʹහײ "*.-Ͱ͸ඇৗʹ৴པੑͷߴ͍ύέοτసૹΛߦ͏ωοτϫʔΫΛ֬อ͢Δ͕ඞཁ͋Δ

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8FC4DBMF/FUXPSLͷ՝୊ $PNQVUF 4UPSBHF "*.- /POTDIFEVMFE'BCSJD "*.-ϫʔΫϩʔυʹ࠷దԽ͞Ε͍ͯͳ͍ ϑϩʔΛ۠ผ͠ͳ͍ͨΊ3%."ΛࢧԉͰ͖ͳ͍ ड৴Ωϡʔͷঢ়ଶΛݩʹͨ͠ϑϩʔ෼ࢄ͕ߦΘΕͳ͍ͨΊಛఆͷΩϡʔ͕ڝ߹͢Δ ϚϧνςφϯτΛఏڙ͢ΔΫϥ΢υ͸ඇৗʹl-PTTZzͳωοτϫʔΫ

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8FC4DBMF/FUXPSLͷ՝୊ 3%."ͱύέοτଛࣦͷ՝୊ ௨ৗͷ*1ωοτϫʔΫͰ͋Ε͹ύέοτυϩοϓΛ5$1ͷ࢓૊ΈͳͲͰճ෮ͤ͞Δ 3%."ͷΩϡʔͰ͸ͦΕ͸ෆՄೳͰ͋ΓɺύέοτଛࣦʹΑΔੑೳ௿Լ͕ஶ͍͠ • 3%."ͷ࠶ૹ͸ϋʔυ΢ΣΞ࣮૷ • (P#BDL/͕ύϑΥʔϚϯεͷ௿ԼΛট͘ • 3%."͸ϩεϨεωοτϫʔΫΛલఏͱͯ͠ߟҊ͞Εͨख๏ #VJMEJOHB'VUVSF1SPPG$MPVE*OGSBTUSVDUVSF"6OJGJFE"SDIJUFDUVSFGPS/FUXPSL 4FDVSJUZ BOE4UPSBHF4FSWJDFT

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"*.-ϫʔΫϩʔυʹඞཁͳωοτϫʔΫ *OUFSDPOOFDUJPO/FUXPSL #BDLFOE/FUXPSL 'VMM#JTFDUJPO #BOEXJEUI -PTT-FTT'MPX$POUSPM %ZOBNJD-PBE#BMBODJOH ಠཱͨ͠Ϋϥελؒ௨৴༻ͷཪ໘ωοτϫʔΫ (16ؒͷಉظ "MMUP"MMͳͲͷू߹ԋࢉ "*.- 8FC

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ݱࡏ࠾༻͍ͯ͠Δ (16*OUFSDPOOFDU/FUXPSL5PQPMPHZ 3BJM0QUJNJ[FE5PQPMPHZ ಉ͡)$"/*$͸ಉ͡-FBGTXJUDIʹ઀ଓ ௨ৗ͸࠷୹ύεͰͷ௨৴͕Մೳɺঢ়گʹԠͯ͡ΞϓϦέʔγϣϯ͕࠷దͳ/*$Λબ୒ Leaf Rail 1 Leaf Rail 2 Leaf Rail 3 Leaf Rail 4 Leaf Rail 5 Leaf Rail 6 Leaf Rail 7 Leaf Rail 8 GPU Server GPU Server GPU Server GPU Server

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ϥοΫσβΠϯͷมߋ 5P3 5PQPG3BDL ͔Β &P3 &OEPG3PX ΁ ిݯͷ੍໿ͰεΠον͸ωοτϫʔΫϥοΫʹू໿͢Δඞཁ͕͋Δ 5P3 TXJUDIͷ୅ΘΓʹύονύωϧΛ഑ஔ͢Δઃܭ αʔόϥοΫ͸(16ͱ$PPMJOH&RVJQNFOUͰ઎༗ GPU Server Patch Panel GPU Server GPU Server Patch Panel GPU Server GPU Server Patch Panel GPU Server GPU Server Patch Panel GPU Server NW Switch Patch Panel NW Switch NW Switch Patch Panel NW Switch

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*OUFSDPOOFDUJPO/FUXPSL )1$501 ʹ͓͚Δ*OUFSDPOOFDU'BNJMZ4IBSF *OGJOJCBOE &UIFSOFU IUUQTEPDTOWJEJBDPNEHYEHYIVTFSHVJEFJOUSPEVDUJPOUPEHYIIUNM

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&UIFSOFUWT*OGJOJCBOE IUUQTQDOBOPHPSHTUBUJDQVCMJTIFENFFUJOHT/"/0(@$BSEPOB@5PXBSET@)ZQFSTDBMF@)JHI@WQEG

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"*.-ʹ͓͚Δ*OUFSDPOOFDUͷબ୒ج४ʢҰྫʣ *OGJOJCBOE ͱʹ͔͘௒௿஗ԆͰͷੑೳΛٻΊΔ ׬શʹดͨ͡Ϋϥελ؀ڥͰ໰୊ͳ͍ 'BUUSFFͰͳ͍τϙϩδΛ࠾༻͢Δ %SBHPOGMZͳͲ 3P$&W طଘͷࢿ࢈Λ׆༻͠ɺઐ༻ϋʔυ΢ΣΞ΁ͷೋॏ౤ࢿΛճආ͍ͨ͠ Ϋϥ΢υ؀ڥͰͷϚϧνςφϯγʔ͕ཁ݅ʹ͋Δ ωοτϫʔΫͦͷ΋ͷΛεέʔϧΞ΢τ͍ͤͨ͞

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*OGJOJCBOE 3P$& ٕज़ղઆ *OGJOJCBOE3P$&ษڧձͰղઆࡁΈ աڈࢿྉΛࢀর

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ϩεϨεΠʔαωοτͰඞཁͳνϡʔχϯά %$2$/&$/ͷύϥϝʔλௐ੔ ϓϥΠϕʔτΫϥ΢υ؀ڥͰ͸Ϣʔβ ςφϯτ ͷϫʔΫϩʔυʹ߹Θͤͯௐ੔͢Δ ߴ౓ͳ஌ࣝͱܦݧ͕ඞཁ ,NJO ,NBY 1NBY ,NJO 1NBY )1$8PSLMPBET (168PSLMPBET (FOFSBM8PSLMPBET ,NBY

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'SPOUFOEͱ #BDLFOEͷωοτϫʔΫ͸ڞ௨Ͱྑ͍ͷ͔ʁ 3%."ωοτϫʔΫͱඇ3%."ωοτϫʔΫ͸໌֬ʹ෼཭͢Δ΂͖ ߏஙͱ؅ཧίετ͸্͕Δ͕τϨʔυΦϑ͕େ͖͍ ڞ௨ͷωοτϫʔΫͰ͸े෼ͳΩϡʔΛ֬อͰ͖ͳ͍৔߹͕͋Δ ඞཁͳͷ͸'Ϛγϯͱͦͷઐ༻ίʔεͰ͋ͬͯɺҰൠंͱߴ଎ಓ࿏Ͱ͸ͳ͍ "*.- 8FC IUUQTXXXVTFOJYPSHDPOGFSFODFOTEJQSFTFOUBUJPOCBJ

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࣮ࡍͷ3P$&WϩεϨενϡʔχϯά ඇެ։

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&UIFSOFU4XJUDIJOH"4*$ͷಈ޲ • 5CQT'MPXMFU %-#ػೳαϙʔτ ͷDIJQ͕ଓʑొ৔ • (16(*OUFSDPOOFDUͷੈք ඇެ։

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((CQTͷ՝୊ ඇެ։

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ϨΠςϯγͱεέʔϧΞ΢τ͸τϨʔυΦϑ ωοτϫʔΫͷαΠζͱ஗ԆͷτϨʔυΦϑ͕ଘࡏ͢Δ $MPT5PQPMPHZ *OEJSFDU5PQPMPHZ ͷආ͚ΒΕͳ͍՝୊ Ѽઌϊʔυ·Ͱͷϗοϓ਺͕૿Ճ͢Ε͹ϨΠςϯγ΋૿͑Δ ͕ɺ΄ͱΜͲͷϢʔεέʔεͰ໰୊ʹ͸ͳΒͳ͍ ඇৗʹେن໛ͳ)1$(16؀ڥͰɺ͜ΕΒʹηϯγςΟϒͳέʔεʹͲ͏ରԠ͢Δ͔

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$MPTͰͳ͍τϙϩδͷݕ౼ https://pc.nanog.org/static/published/meetings/NANOG74/1763/20181003_Martin_Routing_In_Dense_v1.pdf

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%SBHPOGMZ5PQPMPHZ IUUQTEBUBUSBDLFSJFUGPSHNFFUJOHNBUFSJBMTTMJEFTSUHXHSPVUJOHJOESBHPOGMZUPQPMPHJFT

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%SBHPOGMZ5PQPMPHZ IUUQTJFFFYQMPSFJFFFPSHEPDVNFOU MMFBGSPVUFST QIPTUTQFSMFBGSPVUFST T ITQJOFSPVUFST LSPVUFSSBEJY /HSPVQ OVNCFSPGIPTUTJOUIFHSPVQ QMTI QIL /HSPVQ QM LL

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%SBHPOGMZ5PQPMPHZݕূ؀ڥ ඇެ։

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Կ͕଍Γ͍ͯͳ͍ͷ͔ʁ ͍·զʑʹඞཁͳςΫϊϩδʔ͸ "EBQUJWF3PVUJOH &$.1ͷภΓΛແ͘͢%-#ͷػೳ͚ͩͰ͸ෆे෼ .JOJNBMͱ /PONJOJNBMΛಉ࣌ʹར༻͢Δ෼ࢄํࣜ 6("-ͷΑ͏ͳΞϓϩʔνΛ*13PVUJOHͰཱࣗ෼ࢄతʹߦ͍͍ͨ IUUQTJFFFYQMPSFJFFFPSHEPDVNFOU

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"*.-ωοτϫʔΫઃܭɾӡ༻ͷ೉͠͞ • ిݯɾۭௐઃඋͷݶք ਫྫྷઃඋ΁ͷస׵఺ʹ͍Δ • ωοτϫʔΫΛৗʹ࠷େߏ੒Ͱઃܭ͢Δඞཁ͕͋Δ • ܭࢉίετͱΠϯϑϥߏஙͷܦࡁ߹ཧੑ • ௒ߴੑೳ؀ڥ޲͚ͷߴ౓ͳϑϩʔ੍ޚΛ͢Δඞཁ͕͋Δ • ϢʔβͷϫʔΫϩʔυ͝ͱͷಛੑΛཧղ͠ͳ͚Ε͹ͳΒͳ͍ • ϋʔυ΢ΣΞϦιʔεͷந৅ԽͱϚϧνςφϯγʔͷ೉͠͞ • ωοτϫʔΫͱίϯϐϡʔςΟϯάͷ໌֬ͳઢҾ͸Ͱ͖ͳ͍

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͜͜Ͱٞ࿦͍ͨ͜͠ͱ • ཰௚ʹΈͳ͞ΜͲ͏ͯ͠·͔͢ʁ