クラウドデータセンターネットワークの “いま”と “これから”

1. Ϋϥ΢υσʔληϯλʔωοτϫʔΫͷ l͍·zͱ l͜Ε͔Βz  "*.-)1$ωοτϫʔΫ෼Պձ .BTBZVLJ
   ,PCBZBTIJ
2. ωοτϫʔΫΛਐԽͤ͞ΔΩʔϑΝΫλʔ͸Կ͔ $PNQVUJOH
   *OOPWBUJPO 4UPSBHF
   *OOPWBUJPO /FUXPSLJOH
   *OOPWBUJPO • ෼ࢄػցֶश • "*
   $IJQͷ௒ߴ଎Խ ίϯϐϡʔςΟϯάͱετϨʔδͷٕज़ֵ৽͕ωοτϫʔΫʹਐԽѹΛ͔͚Δ • ෼ࢄετϨʔδ • /7.F 4$.
   1.&. • +PC
   $PNQMFUJPO
   5JNF
   ࡟ݮ • Ϟσϧ։ൃͰͷϨΠςϯγ࡟ݮ
3. ͜Ε·ͰͷίϯϐϡʔςΟϯάͱσʔληϯλʔωοτϫʔΫ ϞϊϦε͔ΒϚΠΫϩαʔϏε΁ ϕΞϝλϧ͔Β7.ɺͦͯ͠ίϯςφ΁ ίϯϐϡʔςΟϯάͷਐԽ͸γεςϜϦιʔεͷ෼ࢄ഑ஔΛՄೳʹͨ͠ɻ ωοτϫʔΫͷੑೳ͕γεςϜશମͷύϑΥʔϚϯεʹେ͖͘Өڹ͢Δɻ
4. ͜Ε·ͰͷίϯϐϡʔςΟϯάͱσʔληϯλʔωοτϫʔΫ $MPVE
   /BUJWF
   %$
   /FUXPSL
   8FC
   4DBMF యܕతͳ l'BCSJDz
   ΍ l$MPTz
   ͱݺ͹ΕΔϨΨγʔτϙϩδ ίϞσΟςΟ&UIFSOFUσόΠεʹΑΔεέʔϧΞ΢τ *1ϕʔεͷύε෼ࢄʹΑΔ#JTFDUJPO #BOEXJEUIར༻ ଟ༷ͳϑϩʔͷࠞࡏ $PNQVUJOH
   4UPSBHF
   FUD $16r$FOUSJD
   "SDIJUFDUVSF
5. ͍·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֎
6. $16 ͜Ε·ͰͷίϯϐϡʔςΟϯάͱσʔληϯλʔ جຊతʹ͢΂͕ͯ $16
   Ͱ࣮ߦ͞Ε͍ͯͨ )ZQFSWJTPST *0
   1SPDFTT /FUXPSL
   4UBDL ςφϯτίʔυ ΞϓϦέʔγϣϯ /*$ "QQ
   LT *0 )7 /FUXPSL େྔͷσʔλసૹΛ൐͏ϫʔΫϩʔυͳͲͰɺ $16͕ϘτϧωοΫʹͳΔ ςφϯτॲཧʹׯব $16Ϧιʔε͸ՄೳͳݶΓ"QQ ςφϯτ Ͱར༻͍ͨ͠ 1$*F
7. %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
8. ͜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 8FC
   4DBMF
   '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
9. ͜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 8FC
   4DBMF
   'BCSJD 'SPOUFOE
   /FUXPSL
10. ͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ $PNQVUJOH 4UPSBHF 3%."
    /FUXPSL
11. ͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ )PU$IJQT
    5FTMB
    جௐߨԋ l#FZPOE
    $PNQVUF
    
    &OBCMJOH
    "*
    5ISPVHI
    4ZTUFN
    *OUFHSBUJPOz
    ΑΓ
12. ͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ l'VUVSF
    EBUBDFOUFST
    PG
    BMM
    LJOET
    XJMM
    CF
    CVJMU
    MJLF
    IJHI
    QFSGPSNBODF
    DPNQVUFST z /WJEJB
    $&0
    +FOTFO
    )VBOH
13. ͜Ε͔ΒͷίϯϐϡʔςΟϯάͱσʔληϯλʔ
14. ֤ϫʔΫϩʔυ͕ωοτϫʔΫʹٻΊΔ͜ͱ )1$ ஗ԆͷӨڹΛඇৗʹड͚΍͍͢ΞϓϦέʔγϣϯͰδολ͸ճආ͍ͨ͠ ௒௿஗ԆΛ࣮ݱ͢ΔͨΊʹɺେྔͷύέοτΛΩϡʔʹೖΕΔ͜ͱ͸ආ͚Δ %$2$/ʹ͓͚ΔύέοτϚʔΩϯάʹΑΔΞάϨογϒίϯτϩʔϧඞਢ "*.- )1$ͱରۃʹ͋Δػցֶशͷ(16ΞϓϦέʔγϣϯ ௿ϨΠςϯγ͕๬·͍͕͠ɺͦΕΑΓ΋࢖༻Մೳͳ࠷େεϧʔϓοτ͕ཁٻ͞ΕΔ %$2$/ͷύέοτϚʔΩϯά͸ϥϯμϜͰঃʑʹ૿Ճͤ͞Δ
15. 8FC
    4DBMF
    /FUXPSL
    ͱ "*.-
    /FUXPSL
    ͷҧ͍ 8FC
    4DBMF
    /FUXPSL ଟ༷ͰෆۉҰͳଟ਺ͷϑϩʔ͕ࠞࡏ͠ɺݸผͷϑϩʔͷτϥϑΟοΫ͸খ͍͞ ΄ͱΜͲͷϑϩϯτΤϯυ௨৴͸5$1ʹґଘͰ͖ΔͨΊύέοτϩεʹඇৗʹ׮༰ "*.-
    /FUXPSL ଟ਺ͷδϣϒ͕ಉظ͠ͳ͕Βू߹ԋࢉΛߦ͍ɺߴଳҬ෯ͷ௨৴͕ඞཁʹͳΔ ͢΂ͯͷδϣϒ͕࠷΋஗͍δϣϒʹΑͬͯ཯଎͞ΕΔ 3%."͸ΧʔωϧόΠύεͷͨΊ5$1ʹґଘͰ͖ͣɺύέοτϩεʹහײ "*.-Ͱ͸ඇৗʹ৴པੑͷߴ͍ύέοτసૹΛߦ͏ωοτϫʔΫΛ֬อ͢Δ͕ඞཁ͋Δ
16. 8FC
    4DBMF
    /FUXPSL
    ͷ՝୊ $PNQVUF 4UPSBHF "*.- /POTDIFEVMFE
    'BCSJD "*.-ϫʔΫϩʔυʹ࠷దԽ͞Ε͍ͯͳ͍ ϑϩʔΛ۠ผ͠ͳ͍ͨΊ3%."ΛࢧԉͰ͖ͳ͍ ड৴Ωϡʔͷঢ়ଶΛݩʹͨ͠ϑϩʔ෼ࢄ͕ߦΘΕͳ͍ͨΊಛఆͷΩϡʔ͕ڝ߹͢Δ ϚϧνςφϯτΛఏڙ͢ΔΫϥ΢υ͸ඇৗʹl-PTTZzͳωοτϫʔΫ
17. 8FC
    4DBMF
    /FUXPSL
    ͷ՝୊ 3%."ͱύέοτଛࣦͷ՝୊ ௨ৗͷ*1ωοτϫʔΫͰ͋Ε͹ύέοτυϩοϓΛ5$1ͷ࢓૊ΈͳͲͰճ෮ͤ͞Δ 3%."ͷΩϡʔͰ͸ͦΕ͸ෆՄೳͰ͋ΓɺύέοτଛࣦʹΑΔੑೳ௿Լ͕ஶ͍͠ • 3%."ͷ࠶ૹ͸ϋʔυ΢ΣΞ࣮૷ • (P#BDL/͕ύϑΥʔϚϯεͷ௿ԼΛট͘ • 3%."͸ϩεϨεωοτϫʔΫΛલఏͱͯ͠ߟҊ͞Εͨख๏ #VJMEJOH
    B
    'VUVSF1SPPG
    $MPVE
    *OGSBTUSVDUVSF
    "
    6OJGJFE
    "SDIJUFDUVSF
    GPS
    /FUXPSL
    4FDVSJUZ
    BOE
    4UPSBHF
    4FSWJDFT
18. "*.-ϫʔΫϩʔυʹඞཁͳωοτϫʔΫ *OUFSDPOOFDUJPO
    /FUXPSL
    #BDLFOE
    /FUXPSL 'VMM
    #JTFDUJPO #BOEXJEUI -PTT-FTT
    'MPX
    $POUSPM %ZOBNJD
    -PBE
    #BMBODJOH ಠཱͨ͠Ϋϥελؒ௨৴༻ͷཪ໘ωοτϫʔΫ (16ؒͷಉظ "MMUP"MM
    ͳͲͷू߹ԋࢉ "*.- 8FC
19. ݱࡏ࠾༻͍ͯ͠Δ (16
    *OUFSDPOOFDU
    /FUXPSL
    5PQPMPHZ 3BJM
    0QUJNJ[FE
    5PQPMPHZ ಉ͡)$"/*$͸ಉ͡-FBG
    TXJUDIʹ઀ଓ ௨ৗ͸࠷୹ύεͰͷ௨৴͕Մೳɺঢ়گʹԠͯ͡ΞϓϦέʔγϣϯ͕࠷దͳ/*$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
20. ϥοΫσβΠϯͷมߋ 5P3 5PQPG3BDL
    ͔Β &P3 &OEPG3PX
    ΁ ిݯͷ੍໿ͰεΠον͸ωοτϫʔΫϥοΫʹू໿͢Δඞཁ͕͋Δ 5P3 TXJUDIͷ୅ΘΓʹύονύωϧΛ഑ஔ͢Δઃܭ αʔόϥοΫ͸(16ͱ$PPMJOH
    &RVJQNFOUͰ઎༗ GPU Server Patch Panel GPU Server GPU Server Patch Panel GPU Server GPU Server Patch Panel GPU Server GPU Server Patch Panel GPU Server NW Switch Patch Panel NW Switch NW Switch Patch Panel NW Switch
21. *OUFSDPOOFDUJPO
    /FUXPSL )1$
    501 
    ʹ͓͚Δ*OUFSDPOOFDU
    'BNJMZ
    4IBSF *OGJOJCBOE  &UIFSOFU
     IUUQTEPDTOWJEJBDPNEHYEHYIVTFSHVJEFJOUSPEVDUJPOUPEHYIIUNM
22. &UIFSOFU
    WT
    *OGJOJCBOE IUUQTQDOBOPHPSHTUBUJDQVCMJTIFENFFUJOHT/"/0(@$BSEPOB@5PXBSET@)ZQFSTDBMF@)JHI@WQEG
23. "*.-ʹ͓͚Δ*OUFSDPOOFDUͷબ୒ج४ʢҰྫʣ *OGJOJCBOE ͱʹ͔͘௒௿஗ԆͰͷੑೳΛٻΊΔ ׬શʹดͨ͡Ϋϥελ؀ڥͰ໰୊ͳ͍ 'BUUSFFͰͳ͍τϙϩδΛ࠾༻͢Δ %SBHPOGMZͳͲ 3P$&W طଘͷࢿ࢈Λ׆༻͠ɺઐ༻ϋʔυ΢ΣΞ΁ͷೋॏ౤ࢿΛճආ͍ͨ͠ Ϋϥ΢υ؀ڥͰͷϚϧνςφϯγʔ͕ཁ݅ʹ͋Δ ωοτϫʔΫͦͷ΋ͷΛεέʔϧΞ΢τ͍ͤͨ͞
24. *OGJOJCBOE 
    3P$& ٕज़ղઆ *OGJOJCBOE3P$&ษڧձͰղઆࡁΈ աڈࢿྉΛࢀর
25. ϩεϨεΠʔαωοτͰඞཁͳνϡʔχϯά %$2$/
    
    &$/
    ͷύϥϝʔλௐ੔ ϓϥΠϕʔτΫϥ΢υ؀ڥͰ͸Ϣʔβ ςφϯτ ͷϫʔΫϩʔυʹ߹Θͤͯௐ੔͢Δ ߴ౓ͳ஌ࣝͱܦݧ͕ඞཁ ,NJO ,NBY 1NBY ,NJO 1NBY )1$
    8PSLMPBET (16
    8PSLMPBET (FOFSBM
    8PSLMPBET ,NBY
26. 'SPOUFOE
    ͱ #BDLFOE
    ͷωοτϫʔΫ͸ڞ௨Ͱྑ͍ͷ͔ʁ 3%."ωοτϫʔΫͱඇ3%."ωοτϫʔΫ͸໌֬ʹ෼཭͢Δ΂͖ ߏஙͱ؅ཧίετ͸্͕Δ͕τϨʔυΦϑ͕େ͖͍ ڞ௨ͷωοτϫʔΫͰ͸े෼ͳΩϡʔΛ֬อͰ͖ͳ͍৔߹͕͋Δ ඞཁͳͷ͸'Ϛγϯͱͦͷઐ༻ίʔεͰ͋ͬͯɺҰൠंͱߴ଎ಓ࿏Ͱ͸ͳ͍ "*.- 8FC IUUQTXXXVTFOJYPSHDPOGFSFODFOTEJQSFTFOUBUJPOCBJ
27. ࣮ࡍͷ3P$&WϩεϨενϡʔχϯά ඇެ։
28. &UIFSOFU
    4XJUDIJOH
    "4*$
    ͷಈ޲ • 5CQT
    
    'MPXMFU %-#ػೳαϙʔτ ͷDIJQ͕ଓʑొ৔ • (16
    (
    *OUFSDPOOFDU
    ͷੈք ඇެ։
29. ((CQT
    ͷ՝୊ ඇެ։
30. ϨΠςϯγͱεέʔϧΞ΢τ͸τϨʔυΦϑ ωοτϫʔΫͷαΠζͱ஗ԆͷτϨʔυΦϑ͕ଘࡏ͢Δ $MPT
    5PQPMPHZ
    *OEJSFDU
    5PQPMPHZ ͷආ͚ΒΕͳ͍՝୊ Ѽઌϊʔυ·Ͱͷϗοϓ਺͕૿Ճ͢Ε͹ϨΠςϯγ΋૿͑Δ ͕ɺ΄ͱΜͲͷϢʔεέʔεͰ໰୊ʹ͸ͳΒͳ͍ ඇৗʹେن໛ͳ)1$(16؀ڥͰɺ͜ΕΒʹηϯγςΟϒͳέʔεʹͲ͏ରԠ͢Δ͔
31. $MPTͰͳ͍τϙϩδͷݕ౼ https://pc.nanog.org/static/published/meetings/NANOG74/1763/20181003_Martin_Routing_In_Dense_v1.pdf
32. %SBHPOGMZ
    5PQPMPHZ IUUQTEBUBUSBDLFSJFUGPSHNFFUJOHNBUFSJBMTTMJEFTSUHXHSPVUJOHJOESBHPOGMZUPQPMPHJFT
33. %SBHPOGMZ
    5PQPMPHZ IUUQTJFFFYQMPSFJFFFPSHEPDVNFOU M
    MFBG
    SPVUFST Q
    IPTUT
    QFS
    MFBG
    SPVUFST T I
    TQJOF
    SPVUFST L
    SPVUFS
    SBEJY /HSPVQ 
    OVNCFS
    PG
    IPTUT
    JO
    UIF
    HSPVQ 
    Q
    
    M
    
    T
    
    I 
    Q
    I
    
    L 
    /HSPVQ 
    QM
    
    L L 
34. %SBHPOGMZ
    5PQPMPHZ
    ݕূ؀ڥ ඇެ։
35. Կ͕଍Γ͍ͯͳ͍ͷ͔ʁ ͍·զʑʹඞཁͳςΫϊϩδʔ͸ "EBQUJWF
    3PVUJOH &$.1ͷภΓΛແ͘͢%-#ͷػೳ͚ͩͰ͸ෆे෼ .JOJNBM
    ͱ /PONJOJNBM
    Λಉ࣌ʹར༻͢Δ෼ࢄํࣜ 6("-ͷΑ͏ͳΞϓϩʔνΛ*1
    3PVUJOHͰཱࣗ෼ࢄతʹߦ͍͍ͨ IUUQTJFFFYQMPSFJFFFPSHEPDVNFOU
36. "*.-ωοτϫʔΫઃܭɾӡ༻ͷ೉͠͞ • ిݯɾۭௐઃඋͷݶք ਫྫྷઃඋ΁ͷస׵఺ʹ͍Δ • ωοτϫʔΫΛৗʹ࠷େߏ੒Ͱઃܭ͢Δඞཁ͕͋Δ • ܭࢉίετͱΠϯϑϥߏஙͷܦࡁ߹ཧੑ • ௒ߴੑೳ؀ڥ޲͚ͷߴ౓ͳϑϩʔ੍ޚΛ͢Δඞཁ͕͋Δ • ϢʔβͷϫʔΫϩʔυ͝ͱͷಛੑΛཧղ͠ͳ͚Ε͹ͳΒͳ͍ • ϋʔυ΢ΣΞϦιʔεͷந৅ԽͱϚϧνςφϯγʔͷ೉͠͞ • ωοτϫʔΫͱίϯϐϡʔςΟϯάͷ໌֬ͳઢҾ͸Ͱ͖ͳ͍
37. ͜͜Ͱٞ࿦͍ͨ͜͠ͱ • ཰௚ʹΈͳ͞ΜͲ͏ͯ͠·͔͢ʁ