Our Challenges to Open Source SRv6 Data Center Networking

JANOG49 Meetingの登壇資料です
https://www.janog.gr.jp/meeting/janog49/dcnsrv6/
講演者：齋藤 遼河
Verda Platform室 ネットワーク開発チーム所属

Transcript

1. Our Challenges to Open Source SRv6 Data Center Networking Ryoga Saito 2022.01.27
2. ࣗݾ঺հ • -*/&גࣜձࣾ • *54$
   7FSEBࣨ ωοτϫʔΫ։ൃνʔϜ • ిؾ௨৴େֶ • ᶘྨ ηΩϡϦςΟ৘ใֶϓϩάϥϜ • 5XJUUFS
   
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3. -*/&ͷσʔληϯλʔωοτϫʔΫͷഎܠ ݱࡏͷ43WίϯτϩʔϧϓϨʔϯͷ໰୊఺ͱ #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯ 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ Φʔϓϯιʔειϑτ΢ΣΞͷϝϦοτɾσϝϦοτ 01 02 03 04 ΞδΣϯμ
4. -*/&ͷσʔληϯλʔωοτϫʔΫͷഎܠ ݱࡏͷ43WίϯτϩʔϧϓϨʔϯͷ໰୊఺ͱ #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯ 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ Φʔϓϯιʔειϑτ΢ΣΞͷϝϦοτɾσϝϦοτ 01 02 03 04 ΞδΣϯμ
5. എܠ ࢀߟ
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   # γϯϓϧͳ*1WωοτϫʔΫͰ ӡ༻ෛՙΛܰݮ ωοτϫʔΫΛςφϯτؒͰ෼཭͠ ಠཱͨ͠ωοτϫʔΫΛ࣮ݱ
6. 43W
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8. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ  *' *' 7. " UBQ 73'
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9. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ 
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10. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ 
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    " 73'
    " $ sudo ip route add vrf vrfA A2/32 encap seg6 mode encap segs 2001:db8:2::1 dev vrfA $ sudo ip route add 2001:db8:1::1/128 encap seg6local action End.DT4 vrftable vrfA dev vrfA $ sudo ip route add vrf vrfA A1/32 encap seg6 mode encap segs 2001:db8:1::1 dev vrfA $ sudo ip route add 2001:db8:2::1/128 encap seg6local action End.DT4 vrftable vrfA dev vrfA
11. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ 
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    IUUQTXXXKBOPHHSKQNFFUJOHKBOPHBQQMJDBUJPOGJMFTKBOP@TSW@UTVDIJZBQEG 73'
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12. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ 
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13. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ 
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    IUUQTXXXKBOPHHSKQNFFUJOHKBOPHBQQMJDBUJPOGJMFTKBOP@TSW@UTVDIJZBQEG 73'
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14. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ 
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15. 73'
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16. 43WΛ༻͍ͨϚϧνςφϯτωοτϫʔΫ 
    *' *' $PNQVUF
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17. -*/&ͷσʔληϯλʔωοτϫʔΫͷഎܠ ݱࡏͷ43WίϯτϩʔϧϓϨʔϯͷ໰୊఺ͱ #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯ 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ Φʔϓϯιʔειϑτ΢ΣΞͷϝϦοτɾσϝϦοτ 01 02 03 04 ΞδΣϯμ
18. ݱࡏͷ43WίϯτϩʔϧϓϨʔϯ $PNQVUF $POUSPMMFS 7.
    UBQ 73' OFVUSPOTFSWFS $PNQVUF 7.
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    IUUQTXXXKBOPHHSKQNFFUJOHKBOPHBQQMJDBUJPOGJMFTKBOPHTSWJDIJIBSBQEG
19. ݱࡏͷ43WίϯτϩʔϧϓϨʔϯͷ໰୊఺ • /FVUSPO
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20. 3'$
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21. • .1-4σʔλϓϨʔϯ্Ͱ71/Λߏ੒͢ΔͨΊͷ3'$ 1&
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22. ESBGUJFUGCFTTTSWTFSWJDFT
     • 3'$Λ֦ு͠ɺ43W
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    *%ͷ৘ใΛ޿ใͰ͖ΔΑ͏ʹͨ͠*OUFSOFU%SBGU MP_REACH_NLRI: AFI: 1 (IPv4) SAFI: 128 (Labeled VPN Unicast) NLRI: Label: 19 Prefix: Route Distinguisher: 1:1 Prefix: 172.16.0.0/24 EXTENDED_COMMUNITIES: Route-Target: 1:1 BGP Prefix-SID: SRv6 SID Information: Segment ID: 2001:db8:0:0:100:: SRv6 SID Structure: ... 1&
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23. ESBGUJFUGCFTTTSWTFSWJDFT
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24. ESBGUJFUGCFTTTSWTFSWJDFT
     $PNQVUF *' '33
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    " 7.
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    " 7.
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25. #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯ  $PNQVUF $POUSPMMFS 7.
    UBQ 73' OFVUSPOBHFOU OFVUSPOTFSWFS $PNQVUF 7.
    UBQ 73' ᶃ Ծ૝Ϛγϯͷ࡞੒ ᶄ ϙʔτ৘ใͷ໰͍߹Θͤ ᶅ UBQͷઃఆ '33 3PVUF
    4FSWFS '33 OFVUSPOBHFOU '33
26. #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯ  $PNQVUF $POUSPMMFS 7.
    UBQ 73' OFVUSPOBHFOU OFVUSPOTFSWFS $PNQVUF 7.
    UBQ 73' ᶆ '33ͷઃఆ '33 3PVUF
    4FSWFS '33 OFVUSPOBHFOU '33 ᶇ #(1
    61%"5&ϝοηʔδ ᶈ #(1
    61%"5&ϝοηʔδ ᶉ 73'΁ͷܦ࿏஫ೖ
27. #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯͷར఺ • /FVUSPO
    4FSWFSͷෛՙܰݮ • Ծ૝Ϛγϯ͕࡞੒͞Εͨ$PNQVUFϊʔυ͔ΒͷΈϙʔτ৘ใͷ໰͍߹Θ͕ͤൃੜ • OFVUSPOBHFOU͔Βܦ࿏੍ޚ΍σʔλϓϨʔϯͷ੍ޚͷॲཧΛ'33ʹ੾Γग़ͤͨ • #(1ͷԸܙΛड͚ΒΕΔ • ςφϯτͰڞ༗ͯ͠ར༻͢ΔωοτϫʔΫϦιʔε • "%%1"5)΍.VMUJQBUI
    3FMBYʹΑΔϚϧνύε੍ޚ • ίϞσΟςΟͳٕज़Λར༻͍ͯ͠ΔͨΊɺ৽͍࣮͠૷͕ग़͖ͯͨࡍʹ؆୯ʹஔ͖׵͑Δ͜ͱ͕Ͱ͖Δ
28. #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯͷ՝୊ • 3PVUF
    4FSWFSͷੑೳ໰୊ • େྔͷϐΞΛ3PVUF
    4FSWFSଆͰॲཧ͠ͳ͚Ε͹ͳΒͳ͍ • ֊૚తͳΞʔΩςΫνϟͷಋೖ • ίϯτϩʔϧϓϨʔϯো֐ʹΑΔܦ࿏ফࣦ໰୊ • ίϯτϩʔϧϓϨʔϯো֐͕σʔλϓϨʔϯͷܦ࿏Λফࣦͤͯ͞͠·͏ • 3PVUF
    4FSWFSͷ৑௕ߏ੒ • -POHMJWFE
    (SBDFGVM
    3FTUBSU • IUUQTEBUBUSBDLFSJFUGPSHEPDIUNMESBGUJFUGJESMPOHMJWFEHS
29. -*/&ͷσʔληϯλʔωοτϫʔΫͷഎܠ ݱࡏͷ43WίϯτϩʔϧϓϨʔϯͷ໰୊఺ͱ #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯ 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ Φʔϓϯιʔειϑτ΢ΣΞͷϝϦοτɾσϝϦοτ 01 02 03 04 ΞδΣϯμ
30. 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ • -JOVY • 43WͰτϯωϦϯάͨ͠ࡍʹɺDPOOUSBDL͕ಈ࡞͠ͳ͍໰୊ • TFHMPDBM OFYUIPQ࡞੒࣌ʹɺ/VMM
    1PJOUFS
    %FSFGFSFODF͕ൃੜ͢Δ໰୊ • '33PVUJOH • 43W
    NBOBHFS • 43W
    #(1
    CBTFE
    0WFSMBZ
    4FSWJDFT
    ESBGUJFUGCFTTTSWTFSWJDFT • *1W
    Ͱ࣮૷ࡁΈ • *1W
    3FMFBTFE
    '33
    
31. 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ • -JOVY • 43WͰτϯωϦϯάͨ͠ࡍʹɺDPOOUSBDL͕ಈ࡞͠ͳ͍໰୊ • TFHMPDBM OFYUIPQ࡞੒࣌ʹɺ/VMM
    1PJOUFS
    %FSFGFSFODF͕ൃੜ͢Δ໰୊ • '33PVUJOH • 43W
    NBOBHFS • 43W
    #(1
    CBTFE
    0WFSMBZ
    4FSWJDFT
    ESBGUJFUGCFTTTSWTFSWJDFT • *1W
    Ͱ࣮૷ࡁΈ • *1W
    3FMFBTFE
    '33
    
32. Ծ૝ϚγϯͷηΩϡϦςΟϙϦγʔ  • ҰൠతͳԾ૝Ϛγϯʹ͸ɺҎԼͷΑ͏ͳϙϦγʔ͕ઃఆ͞ΕΔ • 0VUCPVOE
    5SBGGJDɿجຊతʹ"$$&15 • *OCPVOE
    5SBGGJDɿجຊతʹ%301ʢطʹίωΫγϣϯཱ͕͍֬ͯ͠ΔͳΒ"$$&15ʣ 7.
    )PTU )PTU
33. Ծ૝ϚγϯͷηΩϡϦςΟϙϦγʔ  $PNQVUF 7.
    UBQ 73' *' $ sudo iptables -A FORWARD -o tap -m state --state ESTABLISHED -j ACCEPT $ sudo iptables -A FORWARD -o tap -j DROP
34. ࣮ࡍʹൃੜͨ͠໰୊ $PNQVUF 7.
    UBQ 73' *' $ sudo iptables -A FORWARD -o tap -m state --state ESTABLISHED -j ACCEPT $ sudo iptables -A FORWARD -o tap -j DROP )PTU
35. DPOOUSBDL  • -JOVY಺෦ͰίωΫγϣϯΛ؂ࢹ͢ΔͨΊʹར༻͞ΕΔػೳ • OG@DPOOUSBDL@JO
    ύέοτʹίωΫγϣϯͷ৘ใΛඥ෇͚Δ • OG@DPOOUSBDL@DPOGJSN
    ύέοτʹඥ෇͚ΒΕͨίωΫγϣϯͷ৘ใΛӬଓԽ͢Δ *' *' 13&3065*/( */165 065165 '038"3% 10453065*/( 3PVUJOH %FDJTJPO 1SPDFTT OFUGJMUFS
    IPPL
    QPJOUT OG@DPOOUSBDL@JO OG@DPOOUSBDL@DPOGJSN
36. DPOOUSBDL  • -JOVY಺෦ͰίωΫγϣϯΛ؂ࢹ͢ΔͨΊʹར༻͞ΕΔػೳ • OG@DPOOUSBDL@JO
    ύέοτʹίωΫγϣϯͷ৘ใΛඥ෇͚Δ • OG@DPOOUSBDL@DPOGJSN
    ύέοτʹඥ෇͚ΒΕͨίωΫγϣϯͷ৘ใΛӬଓԽ͢Δ OG@DPOOUSBDL@JO TUSVDU
    TL@CVGG *1 5$1 1BZMPBE $POOFDUJPO
    JOGPSNBUJPO TUSVDU
    TL@CVGG *1 5$1 1BZMPBE DPOOUSBDL UBCMF طʹίωΫγϣϯͷ৘ใ͕͋Δ৔߹͸ɺͦΕΛར༻ ͳ͍৔߹͸ɺ৽͘͠࡞੒
37. DPOOUSBDL  • -JOVY಺෦ͰίωΫγϣϯΛ؂ࢹ͢ΔͨΊʹར༻͞ΕΔػೳ • OG@DPOOUSBDL@JO
    ύέοτʹίωΫγϣϯͷ৘ใΛඥ෇͚Δ • OG@DPOOUSBDL@DPOGJSN
    ύέοτʹඥ෇͚ΒΕͨίωΫγϣϯͷ৘ใΛӬଓԽ͢Δ TUSVDU
    TL@CVGG *1 5$1 1BZMPBE $POOFDUJPO
    JOGPSNBUJPO TUSVDU
    TL@CVGG *1 5$1 1BZMPBE OG@DPOOUSBDL@DPOGJSN $POOFDUJPO
    JOGPSNBUJPO DPOOUSBDL UBCMF
38. JQUOMͷύέοτϑϩʔ Ծ૝ΠϯλʔϑΣʔεΛ௨ա͢Δલʹ OG@DPOOUSBDL@DPOGJSN͕ݺͼग़͞ΕΔ FODBQT *1W *' 13&3065*/( 3PVUJOH %FDJTJPO OG@DPOOUSBDL@JO OG@DPOOUSBDL@DPOGJSN *' 065165 10453065*/( *1W *' '038"3% 10453065*/(
39. 43Wͷύέοτϑϩʔͷ໰୊఺  OG@DPOOUSBDL@DPOGJSN͕ݺͼग़͞Εͳ͍ ➔ ίωΫγϣϯͷ৘ใ͕ӬଓԽ͞Εͳ͍ )&ODBQT TFH@JOQVU *1W *' *' 13&3065*/( '038"3% 10453065*/( 3PVUJOH %FDJTJPO OG@DPOOUSBDL@JO OG@DPOOUSBDL@DPOGJSN *' *' 13&3065*/( '038"3% 10453065*/( 3PVUJOH %FDJTJPO *1W
40. 43Wͷύέοτϑϩʔͷ໰୊఺  )&ODBQT TFH@JOQVU *1W *' *' 13&3065*/( 10453065*/( 3PVUJOH %FDJTJPO OG@DPOOUSBDL@JO OG@DPOOUSBDL@DPOGJSN *' *' 13&3065*/( '038"3% 10453065*/( 3PVUJOH %FDJTJPO *1W '038"3% OG@DPOOUSBDL@DPOGJSN͕ݺ͹ΕΔ ➔ ίωΫγϣϯͷ৘ใ͸ӬଓԽ͞ΕΔ
41. 43Wͷύέοτϑϩʔͷ໰୊఺  *' *' 13&3065*/( '038"3% 10453065*/( 3PVUJOH %FDJTJPO *' *' 13&3065*/( '038"3% 10453065*/( 3PVUJOH %FDJTJPO &OE%5 TFHMPDBM@JOQVU *1W *1W *1WͷίωΫγϣϯͷ৘ใΛ࢖ͬͯϑΟϧλϦϯάͰ͖ͳ͍ OG@DPOOUSBDL@JO OG@DPOOUSBDL@DPOGJSN طʹ*1WͷίωΫγϣϯͷ৘ใ͕͍͍ͭͯΔ ➔ *1WͷίωΫγϣϯͷ৘ใ͕͚ͭΒΕͳ͍
42. 43Wͷύέοτϑϩʔͷ໰୊఺  • *1W DPOOUSBDL͕ແޮͷ৔߹ • Ծ૝Ϛγϯ͔Βग़͍ͯ͘ύέοτͷίωΫγϣϯ৘ใ͕ӬଓԽ͞Εͳ͍ • ͦͷ݁ՌɺԾ૝Ϛγϯ΁໭͖ͬͯͨύέοτΛ&45"#-*4)&%ͱͯࣝ͠ผͰ͖ͳ͍ • *1W
    DPOOUSBDL͕༗ޮͷ৔߹ • Ծ૝Ϛγϯ΁ೖͬͯ͘Δύέοτʹ*1WͷίωΫγϣϯ৘ใ͕͚ͭΒΕͯ͠·͏ • ͦͷ݁Ռɺ*1WͷίωΫγϣϯ৘ใΛ༻͍ͨϑΟϧλϦϯάʹҾ͔͔ͬΒͳ͍
43. ղܾࡦ *' *' 13&3065*/( '038"3% 10453065*/( 3PVUJOH %FDJTJPO *' *' 13&3065*/( '038"3% 10453065*/( 3PVUJOH %FDJTJPO *1W *1W )&ODBQT TFH@JOQVU 10453065*/( 065165 OG@DPOOUSBDL@JO OG@DPOOUSBDL@DPOGJSN OG@DPOOUSBDL@DPOGJSN͕ݺ͹ΕΔ ➔ ίωΫγϣϯͷ৘ใ͸ӬଓԽ͞ΕΔ
44. ͦͷޙ • -,.-ʹमਖ਼༻ͷύονΛ౤ߘ • W
    W
    W
    WSDҎ߱ʹద༻ • ҎԼͷઃఆΛೖΕΔͱɺOFUGJMUFS IPPL͕༗ޮʹͳΔ • TZTDUM OFUOFUGJMUFSOG@IPPLT@MXUVOOFM
45. 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ • -JOVY • -JHIUXFJHIU
    5VOOFMΛར༻ͨ͠ࡍʹɺDPOOUSBDL͕ಈ࡞͠ͳ͍໰୊ • TFHMPDBM OFYUIPQ࡞੒࣌ʹɺ/VMM
    1PJOUFS
    %FSFGFSFODF͕ൃੜ͢Δ໰୊ • '33PVUJOH • 43W
    NBOBHFS • 43W
    #(1
    CBTFE
    0WFSMBZ
    4FSWJDFT
    ESBGUJFUGCFTTTSWTFSWJDFT • *1W
    Ͱ࣮૷ࡁΈ • *1W
    3FMFBTFE
    '33
    
46. '33ͷ43WͷରԠ • -JOVYͱҟͳΓɺ౰ॳ͸࣮૷͕ଘࡏ͍ͯ͠ͳ͔ͬͨ • .1-471/ͷ࣮૷Λϕʔεʹɺ43W
    -71/ͷػೳΛҰ͔Β࣮૷ͨ͠ • 4FHNFOU
    *%΍-PDBUPSΛ؅ཧ͢ΔϑϨʔϜϫʔΫͷ࣮૷ • 43W
    -71/
    *1W*1W ͷ࣮૷ • ݱࡏ΋ɺ*4*4 &YUFOTJPOTͳͲͷػೳ΍43W
    -71/ͷόάमਖ਼ͳͲΛੵۃతʹߦͬͯΔ • IUUQTFOHJOFFSJOHMJOFDPSQDPNKBCMPHJOUFSOTIJQGSSPVUJOH
47. *0493ͱͷ૬ޓ઀ଓੑݕূ  • *%ΛಡΜͰͦͷ௨Γʹڰ͍ͳ࣮͘૷͢Δͷ͸ඇৗʹࠔ೉ • '33ಉ࢜Ͱ͸্ख͘઀ଓͰ͖Δ͚Ͳɺଞͷ/04ͱ઀ଓ͠Α͏ͱ͢Δͱ্ख͘ߦ͔ͳ͍ • ૬ޓ઀ଓੑͷݕূ͕͞Εͳ͍ͱɺίϞσΟςΟͳٕज़Ͱ͋ͬͯ΋ஔ׵͢Δ͜ͱ͕Ͱ͖ͳ͍ • طଘͷ࣮૷ *0493 ͱͷ૬ޓ઀ଓੑͷݕূ΋ߦ͍ͬͯΔ
48. *0493ͱͷ૬ޓ઀ଓੑݕূ  $ $ J#(1 3 '33 -PPQCBDL
    GE -PDBUPS
    EC $ $ EC  3 *0493 -PPQCBDL
    GE -PDBUPS
    EC              5FOBOU
     3%
    
    35
     5FOBOU
     3%
    
    35
    
49. *0493ͱͷ૬ޓ઀ଓੑݕূ  $ $ 3 $ $ 3
50. *0493ͱͷ૬ޓ઀ଓੑݕূ  $ $ 3 $ $ 3
51. -*/&ͷσʔληϯλʔωοτϫʔΫͷഎܠ ݱࡏͷ43WίϯτϩʔϧϓϨʔϯͷ໰୊఺ͱ #(1Λ༻͍ͨ৽ͨͳ43WίϯτϩʔϧϓϨʔϯ 43WΦʔϓϯιʔειϑτ΢ΣΞ΁ͷίϯτϦϏϡʔγϣϯ Φʔϓϯιʔειϑτ΢ΣΞͷϝϦοτɾσϝϦοτ 01 02 03 04 ΞδΣϯμ
52. Φʔϓϯιʔειϑτ΢ΣΞͰߏங͢ΔϝϦοτ • ͦ͜Ͱಈ͘γεςϜͷιʔείʔυ͕ݟ͓͑ͯΓɺԿ͕ߦΘΕ͍ͯΔͷ͔Λࣗ෼ͨͪͰ೺ѲͰ͖Δ఺ • ෆՄղͳڍಈΛ͍ͯͯ͠΋ɺࣗ෼ͨͪͰݪҼΛ௥ٻ͢Δ͜ͱ͕Ͱ͖Δ • CQGUSBDFͳͲͷطଘͷπʔϧྨΛར׆༻Ͱ͖Δ • ׳Εͯ͘Δͱʮ͖ͬͱ͋ͷลΓ͕͓͔͍͠ʯͱͳͬͯमਖ਼΋͠΍͘͢ͳΔ • ࣗ෼͕ͨͪར༻͍ͯ͠ΔγεςϜʹର͢Δਂ͍ཧղΛಘΔ͜ͱ͕Ͱ͖Δ • طଘͷΤίγεςϜʹ૬৐Γ͢Δ͜ͱ͕Ͱ͖Δ఺ • ҆ఆͨ͠#(1ͷ࣮૷ʹར༻͍ͨ͠ػೳΛ࣮૷͍ͯ͘͜͠ͱͰɺ૒ํʹͱͬͯϝϦοτ͕ੜ·ΕΔ • શͯҰ͔Β࣮૷͢ΔΑΓ΋ɺ҆ఆͯ͠ૣ࣮͘૷Ͱ͖Δ • ৽͍͠ػೳΛ࣮૷͢Δ͜ͱͰɺؐݩ͢Δ͜ͱ΋Ͱ͖Δ • Ұ౓ߦ࣮ͬͨ૷͕҆ఆͯ͠Ξοϓσʔτ͞ΕΔ͜ͱ΋ظ଴Ͱ͖Δ
53. Φʔϓϯιʔειϑτ΢ΣΞͰߏங͢ΔϝϦοτ • ࣗ෼ͨͪͷ௅ઓ͕ίϛϡχςΟʹؐݩ͞ΕΔ఺ • ͔ͤͬ͘ͳΒΈΜͳʹ࢖ͬͯ΋Β͑ͨ΄͏͕خ͍͠ • TZTDUM M
    c
    HSFQ
    MXUVOOFM Λͨ͠Βࣗ෼ͷ࣮૷͕ݟ͑Δ • ࣗ෼ͨͪͷ࣮૷Λར༻ͯ͘͠ΕΔਓ͕ͨͪݟ͑Δ • IUUQTXXXMJOLFEJODPNQVMTFQPDGSSPVUJOHTSWMWQOJQWJQWBOEXJSFHVBSEWQOHPO[BMF[EJB[ • ʜ
54. Φʔϓϯιʔειϑτ΢ΣΞͰߏங͢ΔσϝϦοτ • ͋Δఔ౓ಡΈ׳ΕΔ·ͰɺݪҼڀ໌ʹ͕͔͔࣌ؒͬͯ͠·͏఺ • lίʔυΛಡΉͨΊͷ஌ࣝz͕ཁٻ͞ΕΔ • อकΛར༻͢Δ͔ɺࣗ෼ͨͪͰݪҼڀ໌͢Δ͔͸ίετ΍࣌ؒΛఱടʹ͔͚Δඞཁ͕͋Δ • 6QTUSFBNΛ͢Δͷ͸͠͹͠͹େมͳ͜ͱ͕͋Δ • มߋ͕ڊେ͗ͯ͢ϝϯςφ͕໨Λ௨͢ͷʹ͕͔͔࣌ؒΔ৔߹ • 43W
    NBOBHFSͷ৔߹ɺNFSHF͞ΕΔ·Ͱʹ೥ϲ݄͘Β͍͔͔͍ͬͯΔ • ͦͷػೳ͕ೖΔ͜ͱࣗମʹ൓ର͢Δਓʑ͕ݱΕͯ͠·ͬͨ৔߹ • 43W
    DPOOUSBDLͷ৔߹ɺੑೳྼԽͷݒ೦͔Β൓ରҙݟΛ΋ΒͬͨͷͰ TZTDUMʹΑΔPQUJOܗࣜͰػೳΛ࣮૷͠ͳ͚Ε͹͍͚ͳ͘ͳͬͯ͠·ͬͨ • ࡶͳ࣮૷͕ڐ͞Εͳ͍෼ɺऔΓࠐ·ΕͨΒͦΕҎ߱΋ϝϯςφϯε͞Ε΍͍͢
55. ٞ࿦͍ͨ͠ϙΠϯτ • #(1Λ༻͍ͨ43WσʔληϯλʔωοτϫʔΫΞʔΩςΫνϟʹ͍ͭͯͲ͏Α͏ʹײ͡·͔ͨ͠ʁ • ໘നͦ͏ͩͱࢥͬͨ఺΍͞ΒͳΔԠ༻ྫʹ͍ͭͯ • ՝୊ʹର͢ΔΞυόΠε΍৽ͨͳ՝୊఺ʹ͍ͭͯ • Φʔϓϯιʔειϑτ΢ΣΞΛͲͷΑ͏ʹར༻ͯ͠·͔͢ɺ·ͨͳͥͦͷબ୒ʹͳΓ·͔ͨ͠ʁ • ͦ΋ͦ΋ར༻͠ͳ͍Α͏ʹ͍ͯ͠Δ • ಛʹมߋΛՃ͑ͣʹͦͷ··ར༻͍ͯ͠Δ • ࣗ෼ͨͪͰGPSLͯ͠ಠࣗʹϝϯςφϯε͠ͳ͕Βར༻͍ͯ͠Δ • มߋ఺ΛVQTUSFBN͠ͳ͕Βར༻͍ͯ͠Δ
56. THANK YOU
57. "QQFOEJY
    "
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58. "QQFOEJY
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59. "QQFOEJY
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60. "QQFOEJY
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67. "QQFOEJY
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