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ユーザから見たグローバルIPv6化 ホスティングプロバイダへの要望 / IPv6 popula...
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Kenji Rikitake
September 30, 2017
Programming
2
520
ユーザから見たグローバルIPv6化 ホスティングプロバイダへの要望 / IPv6 popularity and why hosting services must support and migrate to IPv6 now
Hosting Casual Talks #4 Osaka 2017年9月30日
Kenji Rikitake
September 30, 2017
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Transcript
Ϣʔβ͔ΒݟͨάϩʔόϧIPv6Խ ϗεςΟϯάϓϩόΠμͷཁ ྗ ݈࣍ ྗ݈ٕ࣍ज़࢜ࣄॴ / ϖύϘݚڀॴ 20179݄30 ϗεςΟϯάΧδϡΞϧେࡕ Kenji
Rikitake / hostingcasual-osaka-20170930 1
ࣗݾհ • @jj1bdx 1965ੜ·Ε • 2017ΑΓϖύϘݚڀॴ٬һݚڀһ • 1996͔ΒIPv6Ͱ༡ͼ࢝ΊΔ • 2010:
TunnelbrokerͰIPv6ଓ • 2017: ͬͱASAHI-NETͰIPv6ωΠ ςΟϒଓɺۤઅ20 Kenji Rikitake / hostingcasual-osaka-20170930 2
ࠓͷ ຊͷϗεςΟϯάϓϩόΠμͷօ͞Μ ଈࠁશαʔϏεIPv6ରԠ͍ͯͩ͘͠͞! Kenji Rikitake / hostingcasual-osaka-20170930 3
IPv6ʹ͢Δཧ༝ ͍ ΞυϨεׂΓͯͰ·ͳ͍ ϓϥΠϕʔτʹ͚ͨ͠ΕULAͰ IETF: IPv4: End of Work ͏IPv4Ͱ৽ٕज़։ൃ͞Εͳ͍
Kenji Rikitake / hostingcasual-osaka-20170930 4
IPv6͍ NTTຊ ޫϑϨοπωΫετɾϚϯγϣϯλΠϓ + ASAHI-NET IPoE ʢ20179݄291830JST͝ΖൃදऀࣗͷωοτϫʔΫ্ͷMac miniΑΓଌఆʣ % ping
-c 10 -s 1024 www.iij.ad.jp # IPv4 PPPoE 10 packets transmitted, 9 packets received, 10.0% packet loss round-trip min/avg/max/stddev = 15.901/16.761/19.537/1.084 ms % ping6 -c 10 -s 1024 www.iij.ad.jp # IPv6 native 10 packets transmitted, 10 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 16.192/16.671/17.117/0.264 ms Kenji Rikitake / hostingcasual-osaka-20170930 5
IPoE IPv6͕͍ཧ༝ PPPoEͷτϯωϧԽ͕ෆཁ Πϯλʔωοτ͕͍ͷPPPoE͕ѱ͍Β͍͠ NATΛ͍ͯ͠ͳ͍ →ήʔϜͬͯΔਓʹඞਢʢΒ͍͠ʣ Kenji Rikitake / hostingcasual-osaka-20170930
6
શ෦IPv6Խͱ DNS (v4/v6྆ํͷϢʔβΞΫηε) Web (HTTP/2, QUIC, etc.) ͦͷଞTCPؔ࿈શ෦ʢϝʔϧͱ͔ʣ UDPؔ࿈ʢ͋Εʣશ෦ Kenji
Rikitake / hostingcasual-osaka-20170930 7
֤ࣾαʔϏεͷݱঢ় GoogleQUICDNSؚΊv6Խྃ FacebookͰ͖͍ͯΔΒ͍͠ ... ͦͷଞ֤ࣾͰ͖͍ͯͳ͍Β͍͠ 20178݄ͷͱͪΌͷௐࠪ݁Ռඞಡ Kenji Rikitake / hostingcasual-osaka-20170930
8
ϗεςΟϯάͷҠߦͷ(1) ಉ͡αʔϏεΛIPv4/IPv6྆ํͰఏڙ͢Δඞཁ ಛʹIPv4Λ҉ͷ͏ͪʹԾఆ͍ͯ͠Δࣾͷ ϩάج൫ωοτϫʔΫ/ϗετઃܭ͕େ͖ͳ োʹͳΓಘΔ Kenji Rikitake / hostingcasual-osaka-20170930 9
ϗεςΟϯάͷҠߦͷ(2) IP fragmentation (IPv6ͰΒͳ͍) Path MTU Discovery ΞϓϦͷ GoogleQUICͰ͜ͷͷݟ௨͕͔ͬͨ͠ TCPͷMTUͳͲͷઃఆ͕γϏΞʹͳΔ
Kenji Rikitake / hostingcasual-osaka-20170930 10
ϗεςΟϯάͷҠߦͷ(3) DNSͷ໊લʹIPv4/v6྆ํ͕ରԠ͍ͯ͠Δ͜ͱ ʢ͍͍ͬͨͲͪΒΛ༏ઌ͢Ε͍͍?ʣ ϢʔβʹIPv4͔v6͔·ͬͨ͘ݟ͑ͳ͍ ΧελϚʔαϙʔτͷෛ୲͕ܹ૿͢ΔՄೳੑ Kenji Rikitake / hostingcasual-osaka-20170930 11
ϗεςΟϯάͷҠߦͷ(4) ηΩϡϦςΟ …͋·Γʹ͕ଟ͍ͷͰৄࡉ·ͨͷػձʹ Kenji Rikitake / hostingcasual-osaka-20170930 12
·ͱΊ ϢʔβͷIPv6ͷҠߦٸʹਐΜͰ͍Δ IPv4͚ͩͷαʔϏεͰ͏ചΕ·ͤΜ! ࠓ͙͢શαʔϏεͷIPv6ରԠΛ! Kenji Rikitake / hostingcasual-osaka-20170930 13
͋Γ͕ͱ͏͍͟͝·ͨ͠ ࣭ @jj1bdx Ͳ͏ͧ Kenji Rikitake / hostingcasual-osaka-20170930 14