Upgrade to Pro — share decks privately, control downloads, hide ads and more …

LINEをdual stack環境に変更した話

LINEをdual stack環境に変更した話

JANOG50での登壇資料です

LINE Developers
PRO

July 14, 2022
Tweet

More Decks by LINE Developers

Other Decks in Technology

Transcript

  1. 「LINE」をIPv4/IPv6 Dual Stack環境に変更した話 LINE株式会社 中溝 私歌 2022.07

  2. n໊લ தߔ ࢲՎ(ͳ͔Έͧ ͻ͔ͦ) nॴଐ LINEגࣜձࣾ ITSC ωοτϫʔΫࣨ αʔϏεωοτϫʔΫ2νʔϜ n࢓ࣄ

    2019೥ΑΓLINEʹೖࣾɺLINEͷIPv6ରԠͷPM΍Fintech શൠʹؔ࿈͢ΔωοτϫʔΫҊ݅Λ୲౰த ࣗݾ঺հ
  3. ຊηογϣϯͷର৅ऀ ↓͜͏͍͏ਓ↓ Ҿ༻ݩɿ https://eventregist.com/e/janog50/order/new

  4. Agenda ϓϩδΣΫτͷ֓ཁ ϓϩδΣΫτͰग़ͨ՝୊ͱରԠํ๏ ࠓޙग़ͯ͘ΔͰ͋Ζ͏໰୊ͱରॲํ਑ ͜Ε͔Βͷల๬ ٞ࿦͍ͨ͜͠ͱ 01. 02. 03. 04.

    05.
  5. Agenda ϓϩδΣΫτͷ֓ཁ ϓϩδΣΫτͰग़ͨ՝୊ͱରԠํ๏ ࠓޙग़ͯ͘ΔͰ͋Ζ͏໰୊ͱରॲํ਑ ͜Ε͔Βͷల๬ ٞ࿦͍ͨ͜͠ͱ 01. 02. 03. 04.

    05.
  6. ϓϩδΣΫτͷഎܠɾಈػ nLINE͸୆࿷Ͱ΋޿͘࢖ΘΕ͓ͯΓɺ୆࿷ͷͱ͋ΔISPͷཁ੥Ͱ2018೥〜 2019೥ʹ͔͚ͯIPv6ରԠͷݕ౼Λ։࢝ →2019೥10݄ʹਖ਼ࣜʹϓϩδΣΫτελʔτʂ ओཁ4ΧࠃMAU(݄ؒΞΫςΟϒϢʔβʔ) ※2022೥3݄຤࣌఺ ೔ຊ 9,200ສਓ ୆࿷ 2,200ສਓ

    λΠ 5,300ສਓ ΠϯυωγΞ 900ສਓ
  7. ϓϩδΣΫτͷλʔήοτ1 nIPv6ରԠͷର৅͸ʮLINEʯΞϓϦͰɺର৅ࠃ͸೔ຊͱ୆࿷ ର৅ ର৅֎ ߲໨ App ࠃ etc

  8. ϓϩδΣΫτͷλʔήοτ2 nLINEͷϑϩϯτΤϯυΛIPv4/IPv6 Dual StackԽ͢Δ͜ͱͰIPv6ରԠ͠ɺ όοΫΤϯυ͸Ҿ͖ଓ͖IPv4ͷΈͰ௨৴͢Δߏ੒Λ࠾༻ Collaboration Services LINE Client Software

    LB LEGY LINE event delivery gateway Talk Server IPv4 IPv4 Storage OBS Object storage IPv4/IPv6 VoIP Voice over IP IPv4 IPv4/IPv6 IPv4/ IPv6 IPv4/ IPv6 n ֤ίϯϙʔωϯτͷ໾ׂ l LEGY(LINE Event delivery GatewaY): LINE Client͕֤छ ίϯϙʔωϯτͱ઀ଓ͢ΔͨΊʹඞཁͳήʔτ΢ΣΠɺϦόʔεϓϩΩγ l OBS(OBject Storage): ը૾ɺಈըͳͲͷσʔλอ؅ઌ l VoIP(Voice over IP): LINEͰͷԻ੠௨৴ɺϏσΦ௨৴
  9. ϓϩδΣΫτͷείʔϓ nෳ਺ͷαʔόϧʔϜͷ಺Ұ෦ͷαʔόϧʔϜΛDual StackԽɺ·ͨ社内 Private Cloud(Verda)ͷBareMetalͷΈΛର৅ͱͨ͠ ※ϓϩδΣΫτதʹߏஙͨ͠େ෦෼ͷαʔόϧʔϜ͸Dual StackԽͨ͠ ঢ়ଶͰߏங(Multi AZؔ࿈Ͱར༻͞ΕΔͨΊ) n

    IP ClosではないLegacy Networkʹ͋ͬͨҰ෦ͷαʔό͸আ٫͠ɺผͷ αʔόϧʔϜͰ࠶ߏஙͨ͠΋ͷ΋(Verda಺ʹߏங)
  10. Dual Stack؀ڥ΁ͷҠߦ·ͰͷಓͷΓ ཁ݅ఆٛɺ ઃܭɺݕূ Transit/IX޲͚ͷ઀ଓΛDual StackԽ Backbone NWɺ ։ൃ؀ڥ޲͚NWɺ Verda(։ൃ؀ڥ)Λ

    Dual StackԽ ։ൃ؀ڥͰ ΞϓϦଆͷ ಈ࡞νΣοΫ ঎༻؀ڥ޲͚NWɺ Verda(঎༻؀ڥ)ΛDual StackԽ ΞϓϦΛ Dual StackԽ 1 2 3 4 5 7 nԼهͷΑ͏ͳϓϩηεΛܦͯɺҠߦ ӡ༻πʔϧͳͲͷIPv6ରԠ 6
  11. ϓϩδΣΫτͷي੻ 2019 2020 2021 2022 10݄ Kickoff 11݄ ݕ౼։࢝ 2݄

    IPv6ΞυϨεମܥܾఆ 6݄ ։ൃ؀ڥ޲͚Dual Stack NWఏڙ׬ྃ 12݄ ։ൃ؀ڥͰͷΞϓϦ ςετ׬ྃ 10݄ ঎༻؀ڥ޲͚Dual Stack NWఏڙ׬ྃ 11݄ OBS JPରԠ׬ྃ 12݄ Transit/IX޲͚ͷ Dual StackԽରԠ׬ྃ 5݄-?݄ VoIP JPରԠ׬ྃ༧ఆ 6݄ OBS TWରԠ׬ྃ 7݄ LEGY JPରԠ׬ྃ 7݄-8݄ LEGY TWରԠ׬ྃ༧ఆ 9݄-12݄ VoIP TWରԠ׬ྃ༧ఆ n2022೥౓ͷ׬ྃΛ໨ࢦͯ͠ϓϩδΣΫτਪਐதɺVoIPͰҰ෦૝ఆ֎ ͷಈ࡞Λ͍ͯ͠Δ͕ɺҠߦʹ൐͏େ͖ͳτϥϒϧ͸ͳ͠
  12. Agenda ϓϩδΣΫτͷ֓ཁ ϓϩδΣΫτͰग़ͨ՝୊ͱରԠํ๏ ࠓޙग़ͯ͘ΔͰ͋Ζ͏໰୊ͱରॲํ਑ ͜Ε͔Βͷల๬ ٞ࿦͍ͨ͜͠ͱ 01. 02. 03. 04.

    05.
  13. ՝୊1 ϓϩδΣΫτείʔϓ͕ᐆດ n ରԠํ๏ 1. εςʔΫϗϧμʔΛఆٛ͠ɺؔ܎ऀશͯ(ωοτϫʔΫɺαʔόɺVerdaɺ ηΩϡϦςΟɺαʔϏε)ΛूΊͯఆྫΛ։࢝ 2. ݱࡏԿ͕ग़དྷͯɺԿ͕ग़དྷͳ͍͔ؔ܎ऀ಺Ͱڠٞͯ͠ɺείʔϓΛܾఆ͠ɺ ͜ͷϓϩδΣΫτͰ͸ԿΛͯ͠ɺԿΛ͠ͳ͍͔໌จԽͨ͠

    n՝୊ ౰ॳείʔϓ͕ᐆດͳ··ݕ౼Λߦ͍ͬͯͨͨΊɺ࿩͕ਐ·ͳ͔ͬͨ →ωοτϫʔΫͷϝϯόʔ͚ͩͰIPv6ରԠΛಠࣗʹݕ౼͍͕ͯͨ͠ɺ ৭ʑͳ෦ॺͷڠྗ͕ඞཁͩͬͨ
  14. ՝୊1 ϓϩδΣΫτείʔϓ͕ᐆດ n ૊৫Λލ͍ͩෳ਺ͷϝϯόʔ͕ࢀը l NWࣨɿ঎༻ɺΦϑΟεωοτϫʔΫ୲౰ l γεςϜࣨɿαʔό୲౰ l Verdaࣨɿࣾ಺Private

    CloudɺSoftware LB୲౰ l Infra Protection 2νʔϜɿωοτϫʔΫؔ࿈ͷηΩϡϦςΟ୲౰ l Reliability Engineeringɿ֤ίϯϙʔωϯτͷ։ൃऀͱͷௐ੔ɺCDN୲౰
  15. ՝୊2 ϓϩδΣΫτͷਐ௙͕஗͍ n՝୊ ΑΓ༏ઌॱҐͷߴ͍λεΫ͕ଟ͘ɺϓϩδΣΫτ͕ͳ͔ͳ͔ਐ௙͠ͳ͍ →COVID-19ʹ൐͏τϥϑΟοΫ૿ରԠ΍αʔόϧʔϜͷߏங͕සൃ͠ɺ ઐ೚ϝϯόʔ͕ډͳ͔ͬͨ͜ͱ΋ڹ͍ͨ nରԠํ๏ l՝୊؅ཧΛపఈͯ͠ɺPM͕ରԠग़དྷΔͱ͜Ζ͸ࣗ෼ͰରԠ lରԠͰ͖ͳ͍೔͕ଓ͍ͯ΋ఆྫͰ՝୊Λ֬ೝ͢Δ͜ͱ͸๨Εͳ͍Α͏ʹ ࣮ࢪͨ͠(ϓϩδΣΫτΛ࠶։ग़དྷΔ࣌ʹ͙͢ʹରԠͰ͖ΔΑ͏ʹ)

  16. ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ n՝୊ IPv6ͷ஌ݟ͕গͳ͘ɺͲͷΑ͏ͳΞυϨεମܥʹ͢Δͷ͔ฆڄͨ͠ →IPv4Ͱ͸ΞυϨεʹಛʹҙຯ͕ͳ͔͕ͬͨɺطଘͷ࢓૊Έ͕IPv4Λ ϕʔεʹطʹཱ͍֬ͯͨ͠

  17. ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ nIPv4ͷϙϦγʔ lIPv4ʹؔͯ͠͸ɺϏοτຖʹಛʹҙຯ͸ͳ͘ɺIP؅ཧπʔϧʹΑΓ ΞυϨεΛ؅ཧ(Ͳ͜ͷDCɺͲ͜ͷαʔόϧʔϜͰԿͷΞυϨεΛ ར༻͍ͯ͠Δ͔) lLINEͷϙϦγʔͱͯ͠ɺαʔϏε༻్ͷػث͸ύϒϦοΫIPv4ΞυϨεΛ ࣋ͭɺαʔϏε༻్Ͱͳ͍ػث͸ϓϥΠϕʔτIPv4ΞυϨε͔࣋ͨͣ͠ɺ Πϯλʔωοτ΁ͷ઀ଓΛඞཁͱ͢Δ৔߹͸NATΛར༻͢Δ

  18. Backbone Network IPv4 Internet Πϯλʔωοτ ઀ଓϧʔλ IPv4 ڥքεΠον IPv4 IPv4

    αʔό1 IP Clos ঎༻ SW SW ToR ToR αʔό2 w/Public IPv4 wo/Public IPv4 NATϧʔλ w/Public IPv4 Verda Internet Gateway w/Public IPv4 ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ nIPv4ͷϙϦγʔ αʔϏε༻్Ͱͳ͍αʔό͸ Public IPv4ΞυϨεΛ࣋ͨͳ͍ ͷͰɺΠϯλʔωοτʹ઀ଓ͢ Δ৔߹͸NATϧʔλ΍Verdaͷ Internet Gatewayܦ༝ͱͳΔ αʔϏε༻్ͷαʔό͸ Public IPv4ΞυϨεΛ࣋ͭ
  19. ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ nIPv4ͷϙϦγʔ Backbone Network IPv4 Internet Πϯλʔωοτ ઀ଓϧʔλ IPv4

    ڥքεΠον IPv4 IPv4 αʔό1 IP Clos ঎༻ SW SW ToR ToR αʔό2 w/Public IPv4 wo/Public IPv4 NATϧʔλ w/Public IPv4 Verda Internet Gateway w/Public IPv4 ͜ͷϙϦγʔΛมߋ͢Δ৔߹ɺωοτϫʔΫػثҎ֎ ʹ΋ඇৗʹଟ͘ͷηΩϡϦςΟػث΍αʔόɺ Verdaͷมߋ͕ඞཁͱͳΔɻɻɻ
  20. ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ n࠾༻ͨ͠IPv6ͷϙϦγʔ l IPv4ͱ͸ҟͳΓɺIPv6ʹ͸ϏοτຖʹҙຯΛ࣋ͨͤɺҾଓ͖IP؅ཧπʔϧ Ͱ؅ཧ͢Δ →มߋͨ͠ l IPv4ಉ༷ɺαʔϏε༻్ͷ΋ͷ͸GUAΛ࣋ͨͤΔɺαʔϏε༻్Ͱ͸ͳ ͍ػثʹ΋GUAΞυϨεΛ࣋ͨͤΔ͕͜ͷGUA͸಺෦ͰͷΈར༻͢Δ΋

    ͷͱ͠ɺΠϯλʔωοτʹग़͍ͯ͘ࡍ͸GUAΛ෇͚ସ͑Δ(NPTv6Λར༻ ͢Δ) →IPv4ͱେ͖ͳࠩͷͳ͍ϙϦγʔͱͨ͠(มߋ͠ͳ͔ͬͨ)
  21. ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ nIPv4 ͱ IPv6 ΞυϨεͷൺֱ ߲໨ IPv4 IPv6 IP؅ཧπʔϧ

    ˓ ˓ ϏοτʹؚΜͰ͍ Δ৘ใ ಛʹͳ͠ l ಺෦༻͔֎෦༻͔ l ωοτϫʔΫػثʹ࢖ΘΕΔ΋ ͷ͔ɺαʔόʹ࢖ΘΕΔ΋ͷ͔ɺ ΦϑΟεωοτϫʔΫʹ࢖ΘΕ Δ΋ͷ͔(෼ذ৚݅) l ͲͷDCͰ࢖ΘΕ͍ͯΔ͔ l ͲͷαʔόϧʔϜͰ࢖ΘΕΔ͔ l Ͳͷू໿ػثʹ࢖ΘΕΔ͔ l Ͳ͏͍͏໨తͰ࢖ΘΕΔΞυϨ ε͔
  22. ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ nIPv6ͷϙϦγʔ αʔϏε༻్Ͱͳ͍αʔό͸ ֎෦༻GUAΛ࣋ͨͳ͍(಺෦ ༻GUAͱݺশ͢ΔΞυϨεΛ ࣋ͭ)ͷͰɺΠϯλʔωοτʹ ઀ଓ͢Δ৔߹͸NPTv6ϧʔλ ܦ༝ͱͳΔ αʔϏε༻్ͷαʔό͸

    GUAΞυϨεΛ࣋ͭ →֎෦༻GUAͱݺশ ಺෦༻GUA(IPv6) ⇔ ֎෦ ༻GUA(IPv6)ؒͷม׵
  23. ՝୊3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ n՝୊ IPv6ͷ஌ݟ͕গͳ͘ɺͲͷΑ͏ͳΞυϨεମܥʹ͢Δͷ͔ฆڄͨ͠ →IPv4Ͱ͸ΞυϨεʹಛʹҙຯ͕ͳ͔͕ͬͨɺطଘͷ࢓૊Έ͕IPv4Λ ϕʔεʹطʹཱ͍֬ͯͨ͠ nରԠํ๏ l಺෦༻ͱ֎෦༻Λࣔ͢ϏοτΛఆٛ͠ɺIPv6ΞυϨε΋IPv4ΞυϨεͱ ಉ౳ͷϙϦγʔͰӡ༻Մೳʹͨ͠ lΘ͔Γ΍͘͢4Ϗοτ୯Ґ͔8Ϗοτ୯ҐͰҙຯΛ΋ͨͤɺجຊ/64୯ҐͰ

    αϒωοτΛׂ౰ͯΔϧʔϧͱͨ͠ lࠓͷ࣌఺ͰܾΊͳͯ͘ྑ͍΋ͷ͸ܾΊͳ͍Α͏ʹͯ͠ɺͦͷ୅ΘΓ ະ࢖༻ͷྖҬΛ޿͘༻ҙͰ͖ΔΑ͏ʹͨ͠ lΦϑΟεωοτϫʔΫͳͲผνʔϜͷ؅ཧ͢ΔྖҬ͸؅ཧΛҕ೚͢Δ͜ͱ ͱͨ͠
  24. ՝୊4 オフィスをどうIPv6ରԠ͢Δ͔ n՝୊ LINEͷΦϑΟεڌ఺͸૿ݮ͕͋ΓɺશͯΛIPv6ରԠ͢Δͷ͸ਏ͍ →૿ݮ͢ΔΦϑΟεڌ఺ΛͲ͏IPv6ରԠͤ͞Δͷ͕ޮ཰త͔ nରԠํ๏ lDual Stack؀ڥ΁ͷΞΫηε͕ඞཁͳਓΛఆٛ lͦͷ݁Ռɺࠓͷ࣌఺Ͱ͸։ൃऀͱQA؀ڥͷಛఆͷϝϯόʔ͚ͩʹ IPv6؀ڥ΁ͷΞΫηε͕ඞཁͳ͜ͱ͕൑໌

    l্ه݁Ռʹ൐͍ɺΦϑΟεNWΛؙ͝ͱDual StackԽ͢ΔͷͰ͸ͳ͘ɺ SSL-VPNͰΞΫηε͢Δ؀ڥΛఏڙ
  25. ՝୊4 オフィスをどうIPv6ରԠ͢Δ͔ ৽نͰಋೖ͠ɺFW ͰSSL-VPNΛఏڙ nSSL-VPNͰDual Stack؀ڥ΁ͷΞΫηεΛఏڙͨ͜͠ͱͰɺ ΦϑΟεωοτϫʔΫશମͷIPv6ରԠΛճආ SSL-VPNͷಋೖʹΑ ΓIPv6ରԠ͠ͳͯ͘ ྑ͘ͳͬͨ෦෼

  26. ՝୊5 Dual Stack環境をどう安定運用させるか n՝୊ ঎༻؀ڥ͸ෳ਺ϕϯμʔͷωοτϫʔΫػثͰӡ༻͞Ε͓ͯΓɺ҆ఆӡ༻͢Δ ඞཁ͕͋ͬͨ →େن໛ʹIPv6ରԠΛߦ͏ඞཁ͕͋ͬͨͷͰɺ҆ఆͨ͠ӡ༻΋ηοτͰ ݕ౼͕ඞཁ nରԠํ๏ l2019೥࣌఺ͰIPv6ʹؔ࿈͢ΔBugௐࠪΛ࣮ࢪ͠ɺλʔήοτͷVersionΛ

    બఆɺBackbone NWͷػثʹ͍ͭͯ͸2019〜2020೥ʹ͔͚ͯେن໛ͳ Version UpΛ࣮ࢪ l৽͘͠ग़དྷͨαʔόϧʔϜ͸Multi AZؔ࿈ͷ΋ͷ͸࠷ॳ͔ΒDual StackԽ ग़དྷͨঢ়ଶͰߏங lӡ༻தʹൃੜͨ͠CriticalͳBug͸ൺֱతૣظʹରԠ lIP Closʹؔͯ͠͸ෳ਺ϕϯμʔɺෳ਺VersionΛར༻͍ͯ͠Δ͕ ౷Ұ͍ͯ͜͠͏ͱ͍ͯ͠Δ(ग़དྷΔ͚ͩ҆ఆͨ͠VersionΛ࠾༻)
  27. ՝୊5 Dual Stack環境をどう安定運用させるか nωοτϫʔΫػثͰIPv6ରԠΛ࣮ࢪͨ͠΋ͷ͸3500୆લޙͰɺ ϚωδϝϯτNW΍ΦϑΟεNWΛআ͘঎༻ઃඋશମͷNWػث ʹ઎ΊΔׂ߹͸50ˋఔ౓ IP Clos͚ͩͰ 3000୆Ҏ্ରԠ Πϯλʔωοτ઀ଓϧʔλɺ

    Backbone NetworkͰ͸ 50୆લޙରԠ
  28. ՝୊5 Dual Stack環境をどう安定運用させるか n঎༻؀ڥͷରԠલʹҰ෦ͷػछͰBug͕සൃ͠ɺ౎౓ݕূΛ࣮ࢪͨ͠ nݕূ߲໨ΛΫϦΞ͠ɺ঎༻ʹೖΕΔͱࠓ౓͸Cosmetic͕ͩӡ༻্ڐ༰Ͱ͖ͳ ͍Bug͕ൃੜ͠ɺ࠶౓৽͍͠Version͕ग़Δ·Ͱ଴ͭ͜ͱʹ n݁ہ͜ͷVersionͱܾ·Δ·Ͱʹ4ͭͷVersionͰݕূΛ͢ΔӋ໨ʹɻɻɻ

  29. ՝୊6 いかに影響を少なく移行できるか n՝୊ ଟ਺ͷϢʔβʔ͕͍ΔʮLINEʯͷҠߦ͸ग़དྷΔ͚ͩӨڹͳ͘ߦ͍͍ͨ →࠷ॳ͸Ұ෦͚ͩIPv6Λద༻ͯ͠ɺঃʑʹશମʹద༻͍ͯ͘͠Έ͍ͨͳ ஈ֊తͳҠߦ͕͍͍ nରԠํ๏ lҠߦʹΑΓτϥϑΟοΫͷมભ͕ൃੜ͢Δ৔߹͸ࣄલʹଳҬΛ֬ೝ lΞϓϦέʔγϣϯଆͰ੾Γସ͑Δํ๏Λ࠾༻ͨ͠ uLEGYͱOBS͸FQDN/VIPΛ͍࣋ͬͯΔͨΊɺૹ৴ݩAS୯ҐͰDNSΫΤ

    Ϧʹରͯ͠AAAAϨίʔυΛฦ͢ൺ཰Λม͑ΔઃఆΛߦ͍ɺҠߦ uVoIP͸FQDN/VIPΛ࣋ͨͳ͍ͨΊɺαʔϏεଆͰׂ౰ͯΔIPv4/IPv6Λ ௐ੔Ͱ͖ΔػೳΛ࣮૷͠ɺஈ֊తʹҠߦ lτϥϑΟοΫͷྲྀೖঢ়گ͸ϑϩʔαʔόͰਵ࣌֬ೝ
  30. ՝୊6 いかに影響を少なく移行できるか -*/& "4 5SBOTJU Πϯλʔωοτ ઀ଓϧʔλ *1W*1W 5SBOTJU 5SBOTJU

    5SBOTJU ੾ସର৅ "4 n୆࿷ͰͷҠߦલʹΠϯλʔωοτ઀ଓϧʔλͰ্ख͘ECMPग़དྷͯ ͍ͳ͍Bug͕͋Γɺ੾ସର৅ͱͷASͷؒͰ᫔᫓͕ൃੜ͢ΔՄೳੑ ͕͋ͬͨͨΊΠϯλʔωοτ઀ଓϧʔλͷVersion UpΛ࣮ࢪͨ͠ ੾ସର৅"4ͱ͸ෳ਺ͷ5SBOTJUܦ༝ Ͱ઀ଓ͍ͯͯ͠ɺ্ख͘&$.1Ͱ͖ Ε͹໰୊ͳ͘੾Γସ͑ΒΕΔ༧ఆ ͕ͩͬͨɺग़དྷͳͦ͞͏ͳ͜ͱ͕ࣄ લʹΘ͔ͬͨ ˠΠϯλʔωοτ ઀ଓϧʔλͷ7FSTJPO61Λ࣮ࢪ
  31. ՝୊6 いかに影響を少なく移行できるか nOBS΍LEGYͰ͸ԼهͷΑ͏ͳ෼ذΛ࡞੒͠ɺAS୯ҐͰ੾Γସ͑Λ ࣮ࢪ OBS/LEGY΁ͷ ໊લղܾ͕੾Γସ͍͑ͨ AS͔Βͷ΋ͷ͔ DNSΫΤϦʹ AAAAϨίʔυΛ Ԡ౴͢Δ͔

    IPv6 VIP IPv4 VIP IPv4 VIP Yes No Yes No AAAAϨίʔυΛ Ԡ౴͢Δ͔ɺAϨίʔ υΛԠ౴͢Δ͔͸ׂ߹ ΛมߋՄೳ OBSͷ࠷ॳͷ੾ସͷࡍʹݹ͍ ෼ذઃఆ͕࢒͍ͬͯͯҰ࣌తʹ શͯͷ௨৴͕IPv6Խ͞ΕΔӋ໨ ʹɻɻɻ →େ͖ͳ໰୊͸ͳ͠
  32. ՝୊6 いかに影響を少なく移行できるか nԼه͸2021೥10݄ʹOBS JPΛҠߦ͍ͯͨ࣌͠ͷϑϩʔσʔλɺ ֤ΩϟϦΞຖʹIPv6ͷൺ཰͕େ͖͘ҟͳΔ͜ͱ͕Θ͔ͬͨ IPv6τϥϑΟοΫ IPv4τϥϑΟοΫ

  33. ՝୊6 いかに影響を少なく移行できるか nVoIP͸ಠࣗͷ࣮૷ʹΑΓҠߦΛ࣮ࢪ ి࿩Λֻ͚Δਓ IPv4/IPv6 ి࿩Λड͚Δਓ IPv4/IPv6 IPv6 ి࿩Λֻ͚Δਓ IPv4/IPv6

    ి࿩Λड͚Δਓ IPv4 IPv4 ి࿩Λֻ͚Δਓ IPv4 ి࿩Λड͚Δਓ IPv4/IPv6 IPv4 ి࿩Λֻ͚Δਓ IPv4 ి࿩Λड͚Δਓ IPv4 IPv4 Ұఆͷׂ߹Ͱ͜ͷ෦෼Λ૿΍͍ͯ͘͠
  34. ՝୊6 いかに影響を少なく移行できるか nVoIPͰ௨ৗ͸P2PͰߦΘΕΔ͸ͣͷ௨৴(1ର1ͷ΋ͷ)͕αʔόܦ༝ ͱͳΓΠϯλʔωοτͱͷτϥϑΟοΫ͕૿ՃɺݪҼௐࠪத ి࿩Λֻ͚Δਓ ి࿩Λड͚Δਓ IPv6 VoIP サーバ ి࿩Λֻ͚Δਓ

    ి࿩Λड͚Δਓ IPv6 VoIP サーバ 1ର1ͷ௨৴΋IPv6ͷ৔ ߹αʔόܦ༝ͱͳͬͯ ͠·͍ɺΠϯλʔωο τͱͷ௨৴͕૿Ճɻɻɻ ݱࡏͷঢ়گ ૝ఆ 1ର1ͷ௨৴͸૝ఆͰ͸ P2PͰߦΘΕΔ(IPv4 Ͱ͸ͦΕͳΓͷׂ߹ ͰP2PͰ௨৴Ͱ͖͍ͯ Δ)
  35. ՝୊7 対応漏れ、移行漏れはないか n՝୊ Өڹ͕େ͖͍ͨΊɺରԠ࿙ΕɺҠߦ࿙Ε͕ൃੜ͠ͳ͍Α͏ʹ͍ͨ͠ →ର৅ൣғ΋๲େͩͬͨͨΊɺશνʔϜͷڠྗ͕ඞਢʂ nରԠํ๏ l֤νʔϜʹҠߦ·ͰʹରԠ͕ඞཁͳ͜ͱΛ֬ೝ͠ɺϦετԽ (ಛʹπʔϧͳͲͷରԠ༗ແ͸๨Ε͕ͪͳͷͰೖ೦ʹߦͬͨ) lఆྫͰਐ௙ঢ়گΛ֬ೝ

  36. ՝୊7 対応漏れ、移行漏れはないか n४උϦετ(ྫ) lπʔϧྨ(IP؅ཧɺߏ੒؅ཧ౳)ͷIPv6ରԠ͕׬ྃࡁΈ lLINE༻ͷαʔό͕͋ΔαʔόϧʔϜͷIPv6ରԠ͕׬ྃࡁΈ lαʔϏε༻ͷACLઃఆ͕ద༻ࡁΈ lಛఆͷNWػثͷIPv6 Bug WAରԠ͕׬ྃࡁΈ lIXͰͷओཁݸผϐΞͷIPv6ରԠ͕׬ྃࡁΈ

    lো֐࣌ͷΦϖϨʔγϣϯ͕ϚχϡΞϧԽࡁΈ lWFͳͲͷਃ੥ରԠͷΦϖϨʔγϣϯ͕ϚχϡΞϧԽࡁ lIPv6ΞυϨεΞαΠϯͷϧʔϧ࡞੒͕׬ྃࡁΈ lIPv6ؔ࿈ͷ੬ऑੑରԠ͕ग़དྷΔΑ͏ʹͳ͍ͬͯΔ
  37. ൃੜͨ͠՝୊ͱରԠํ๏·ͱΊ No ՝୊ ରԠํ๏ 1 ϓϩδΣΫτείʔϓ͕ᐆດ l εςʔΫϗϧμʔΛఆٛ͠ɺؔ܎ऀΛר͖ࠐΉ l Կ͕ग़དྷͯɺԿ͕ग़དྷͳ͍͔࿩͠߹͏

    l ໌จԽ͢Δ 2 ϓϩδΣΫτͷਐ௙͕஗͍ l ՝୊؅ཧΛͯ͠ɺఆظతʹ֬ೝ͢Δ l PMࣗ਎΋ग़དྷΔ͜ͱΛ͢Δ 3 IPv6ΞυϨεମܥ͕ܾ·Βͳ͍ l طଘͷϙϦγʔΛग़དྷΔݶΓ౿ऻ͢Δ l IPv6ΞυϨεʹؚΊ͍ͨ಺༰Λߟ͑Δ l কདྷ༧૝Ͱ͖ͳ͍෦෼͸Ͱ͖Δ͚ͩޙ͔ΒܾΊΒΕΔΑ͏ͳ ΞυϨεମܥʹ͢Δ 4 ΦϑΟεΛͲ͏IPv6ରԠ͢Δ͔ l ຊ౰ʹIPv6ͰͷΞΫηε͕ඞཁͳਓΛఆٛ͢Δ l ࣗࣾͷಛ௃(ΦϑΟεͷ૿ݮ͕සൟ͔ etc)Λ೺Ѳ͠ɺ࠷దͳ ࣮૷ํ๏Λ࠾༻͢Δ 5 Dual Stack؀ڥΛͲ͏҆ఆӡ༻ͤ͞ Δ͔ l BugௐࠪΛపఈతʹߦ͏ l େن໛ͳOS Version UpΛߦ͏ l ೔ৗͷதͰग़͖ͯͨBug΋Criticalͳ΋ͷ͸ૣΊʹରॲ 6 ͍͔ʹӨڹΛগͳ͘ҠߦͰ͖Δ͔ l ࣄલʹҠߦର৅ͷτϥϑΟοΫΛ༧ଌ l ग़དྷΔݶΓ্ͷϨΠϠʔͰมߋͰ͖Δํ๏Ͱɺ͔ͭখن໛ͳ ୯ҐͰมߋͰ͖Δํ๏Λ࠾༻͢Δ 7 ରԠ࿙ΕɺҠߦ࿙Ε͸ͳ͍͔ l IPv6ରԠ׬ྃ·Ͱʹ΍Βͳ͍ͱ͍͚ͳ͍͜ͱΛϦετԽ͢Δ (πʔϧʹ͸ಛʹ஫ҙ) l ఆظతʹ֬ೝ͢Δ
  38. Agenda ϓϩδΣΫτͷ֓ཁ ϓϩδΣΫτͰग़ͨ՝୊ͱରԠํ๏ ࠓޙग़ͯ͘ΔͰ͋Ζ͏໰୊ͱରॲํ਑ ͜Ε͔Βͷల๬ ٞ࿦͍ͨ͜͠ͱ 01. 02. 03. 04.

    05.
  39. ࠓޙൃੜͦ͠͏ͳ໰୊1 TCAMͷރׇ n໰୊ αʔό૿ͱDual StackԽʹΑΓܦ࿏਺͕૿Ճ͠ɺTCAM͕ރׇ͢Δʁ nରॲํ਑ l ܦ࿏਺ͷਪҠΛSNMPͰ؂ࢹ l ڥքεΠονʹTCAM͕େ͖͍ػثΛ࠾༻ɺϦϓϨʔε࣮ࢪ

  40. ࠓޙൃੜͦ͠͏ͳ໰୊1 TCAMͷރׇ nڥքεΠον͸Backbone NetworkɺαʔόϧʔϜຖͷݸผܦ࿏ Λֶश͢Δඞཁ͕͋ΔͨΊεΠονͱͯ͠͸࠷΋TCAMΛফඅ͢ ΔͨΊɺTCAMͷେ͖͍ػثΛ࠾༻ɺϦϓϨʔε ू໿ ܦ࿏ ݸผ ܦ࿏

    ू໿ ܦ࿏ ݸผ ܦ࿏ D/R 10/8 D/R 10/8 BB ܦ࿏ BB ܦ࿏
  41. ࠓޙൃੜͦ͠͏ͳ໰୊2 IPv4ΞυϨεͷރׇ n໰୊ LINEͰ͸૬౰ͳεϐʔυͰαʔό͕૿Ճ͓ͯ͠ΓɺϓϥΠϕʔτIPv4ɺ ύϒϦοΫIPv4ΞυϨεͷফඅ͕ܹ͘͠ɺIPv4ΞυϨε͕ރׇ͢Δʁ nରॲํ਑ l 2020೥〜2021೥ʹύϒϦοΫIPv4ΞυϨεΛ௥Ճߪೖ l IP

    Clos͚ͩͰͳ͘ɺରԠ͍ͯ͠Δػث͸όοΫϘʔϯଆͰ΋ϦϯΫؒͷ IPv4ΞυϨεΛՄೳͳݶΓফඅ͠ͳ͍ߏ੒(RFC5549)ʹมߋத l ISP SharedΞυϨεΛ࢖͑ΔΑ͏ʹγεςϜଆͰରԠ༧ఆ l IPv6ͷΈͰαʔόϧʔϜΛߏங͢Δ༧ఆ·Ͱ͸ݱঢ়ͳ͠ɺݕ౼΋·ͩ
  42. ࠓޙൃੜͦ͠͏ͳ໰୊2 IPv4ΞυϨεͷރׇ Ҿ༻ݩɿ https://auctions.ipv4.global/prior-sales nฐ͕ࣾߪೖͨ࣌͠ΑΓ΋ߋʹPublic IPv4ΞυϨεͷՁ֨͸ߴಅத →ࠓͦ͜IPv6ରԠʹऔΓ૊Ή΂͖ʁ 1+։࢝࣌఺ *1 -*/&1VCMJD*1

    ͓͔ΘΓ࣌఺ Ұ࣌*1
  43. ࠓޙൃੜͦ͠͏ͳ໰୊ͱରॲํ਑·ͱΊ No ໰୊ ରॲํ਑ 1 TCAMͷރׇ l ܦ࿏਺ΛSNMPͰ؂ࢹ l ڥքεΠον͸TCAM͕े෼ͳ΋ͷʹϦϓϨʔε

    2 IPv4ΞυϨεͷރׇ l ύϒϦοΫIPv4ΞυϨεΛ௥Ճߪೖ l RFC5549ͷ༗ޮ׆༻ l ISP SharedΞυϨεΛར༻Ͱ͖ΔΑ͏γεςϜͷ४උ l IPv6ΦϯϦʔͷωοτϫʔΫͷݕ౼͸·ͩʂ
  44. Agenda ϓϩδΣΫτͷ֓ཁ ϓϩδΣΫτͰग़ͨ՝୊ͱରԠํ๏ ࠓޙग़ͯ͘ΔͰ͋Ζ͏໰୊ͱରॲํ਑ ͜Ε͔Βͷల๬ ٞ࿦͍ͨ͜͠ͱ 01. 02. 03. 04.

    05.
  45. ࠓޙͷల๬ 1. ʮLINEʯΞϓϦͰͷଞ஍Ҭ΁ͷIPv6ରԠ LINE͸೔ຊҎ֎ʹγϯΨϙʔϧʹ΋DC͕͋ΔͷͰIPv6ରԠͯ͠ɺ αʔϏεఏڙग़དྷΔ஍ҬΛ૿΍͍ͨ͠ 2.VerdaͷVM΍αʔόͷηοτΞοϓͰ΋IPv6ରԠ ݱঢ়͸VerdaͷBMͷΈରԠͳͷͰɺVMͰ΋IPv6ରԠग़དྷΔΑ͏ ʹ͍ͨ͠ɺ·ͨαʔόͷηοτΞοϓ͕IPv4Ͱ͔͠ߦ͑ͳ͍෦෼ ͕͋ΔͷͰɺͦͷରԠ΋ݕ౼த 3.ʮLINEʯҎ֎ͷΞϓϦ΁ͷIPv6ରԠ

    LINEҎ֎ʹ΋ෳ਺ͷαʔϏε͕͋ΔͷͰɺผͷαʔϏεͰ΋ར༻ Մೳʹ͍ͨ͠
  46. Agenda ϓϩδΣΫτͷ֓ཁ ϓϩδΣΫτͰग़ͨ՝୊ͱରԠํ๏ ࠓޙग़ͯ͘ΔͰ͋Ζ͏໰୊ͱରॲํ਑ ͜Ε͔Βͷల๬ ٞ࿦͍ͨ͜͠ͱ 01. 02. 03. 04.

    05.
  47. ٞ࿦͍ͨ͜͠ͱ nԼهͷςʔϚʹ͍ͭͯٞ࿦͍ͨ͠Ͱ͢ɻ lίϯςϯπࣄۀऀ͕IPv6ରԠ͢ΔϞνϕʔγϣϯ͸ ͳΜͰ͔͢ʁ·ͨɺԿ͕͋Ε͹IPv6ରԠ͍ͨ͠ͱࢥ͍·͔͢ʁ lIPv6ΞυϨεͷׂ౰ͯ͸Ͳ͏͠·͔ͨ͠ʁ lطʹDual Stack؀ڥΛӡ༻͍ͯͯ͠ࠔͬͨ͜ͱɺ ϦΞϧλΠϜͰࠔ͍ͬͯΔ͜ͱ͸͋Γ·͔͢ʁ

  48. ࢀߟࢿྉ l IPv6ΞυϨεͷ൪߸ܭըɺͲ͏ͯ͠·͔͢ɻ〜 ͋ΕͬɺΈΜͳͲ͏ͯ͠ΜͩΖ͏ 〜 https://www.janog.gr.jp/meeting/janog42/program/V6PL l LINEͷωοτϫʔΫΛθϩ͔Β࠶ઃܭͨ͠࿩ https://www.janog.gr.jp/meeting/janog43/program/line/ l

    ίϯςϯπͷIPv6ԽͷͨΊʹ͸Կ͕଍Γͳ͍ͷ͔ʁ https://www.janog.gr.jp/meeting/janog47/ipv6/ l LINEͷωοτϫʔΫΦʔέετϨʔλΛϦχϡʔΞϧͨ͠࿩ https://www.janog.gr.jp/meeting/janog49/lineorc/ l “Change” our private cloud infrastructures from single-AZ to multi-AZs https://www.janog.gr.jp/meeting/janog50/multiaz/
  49. THANK YOU