Hosting Casual Talks #4 Osaka 2017年9月30日
Ϣʔβ͔ΒݟͨάϩʔόϧIPv6ԽϗεςΟϯάϓϩόΠμͷཁྗ ݈࣍ྗ݈ٕ࣍ज़࢜ࣄॴ / ϖύϘݚڀॴ20179݄30 ϗεςΟϯάΧδϡΞϧେࡕKenji Rikitake / hostingcasual-osaka-20170930 1
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ࣗݾհ• @jj1bdx 1965ੜ·Ε• 2017ΑΓϖύϘݚڀॴ٬һݚڀһ• 1996͔ΒIPv6Ͱ༡ͼ࢝ΊΔ• 2010: TunnelbrokerͰIPv6ଓ• 2017: ͬͱASAHI-NETͰIPv6ωΠςΟϒଓɺۤઅ20Kenji Rikitake / hostingcasual-osaka-20170930 2
ࠓͷຊͷϗεςΟϯάϓϩόΠμͷօ͞ΜଈࠁશαʔϏεIPv6ରԠ͍ͯͩ͘͠͞!Kenji Rikitake / hostingcasual-osaka-20170930 3
IPv6ʹ͢Δཧ༝͍ΞυϨεׂΓͯͰ·ͳ͍ϓϥΠϕʔτʹ͚ͨ͠ΕULAͰIETF: IPv4: End of Work͏IPv4Ͱ৽ٕज़։ൃ͞Εͳ͍Kenji Rikitake / hostingcasual-osaka-20170930 4
IPv6͍NTTຊ ޫϑϨοπωΫετɾϚϯγϣϯλΠϓ + ASAHI-NET IPoEʢ20179݄291830JST͝ΖൃදऀࣗͷωοτϫʔΫ্ͷMac miniΑΓଌఆʣ% ping -c 10 -s 1024 www.iij.ad.jp # IPv4 PPPoE10 packets transmitted, 9 packets received, 10.0% packet lossround-trip min/avg/max/stddev = 15.901/16.761/19.537/1.084 ms% ping6 -c 10 -s 1024 www.iij.ad.jp # IPv6 native10 packets transmitted, 10 packets received, 0.0% packet lossround-trip min/avg/max/std-dev = 16.192/16.671/17.117/0.264 msKenji Rikitake / hostingcasual-osaka-20170930 5
IPoE IPv6͕͍ཧ༝PPPoEͷτϯωϧԽ͕ෆཁΠϯλʔωοτ͕͍ͷPPPoE͕ѱ͍Β͍͠NATΛ͍ͯ͠ͳ͍→ήʔϜͬͯΔਓʹඞਢʢΒ͍͠ʣKenji Rikitake / hostingcasual-osaka-20170930 6
શ෦IPv6ԽͱDNS (v4/v6྆ํͷϢʔβΞΫηε)Web (HTTP/2, QUIC, etc.)ͦͷଞTCPؔ࿈શ෦ʢϝʔϧͱ͔ʣUDPؔ࿈ʢ͋Εʣશ෦Kenji Rikitake / hostingcasual-osaka-20170930 7
֤ࣾαʔϏεͷݱঢ়GoogleQUICDNSؚΊv6ԽྃFacebookͰ͖͍ͯΔΒ͍͠... ͦͷଞ֤ࣾͰ͖͍ͯͳ͍Β͍͠20178݄ͷͱͪΌͷௐࠪ݁ՌඞಡKenji Rikitake / hostingcasual-osaka-20170930 8
ϗεςΟϯάͷҠߦͷ(1)ಉ͡αʔϏεΛIPv4/IPv6྆ํͰఏڙ͢ΔඞཁಛʹIPv4Λ҉ͷ͏ͪʹԾఆ͍ͯ͠Δࣾͷϩάج൫ωοτϫʔΫ/ϗετઃܭ͕େ͖ͳোʹͳΓಘΔKenji Rikitake / hostingcasual-osaka-20170930 9
ϗεςΟϯάͷҠߦͷ(2)IP fragmentation (IPv6ͰΒͳ͍)Path MTU Discovery ΞϓϦͷGoogleQUICͰ͜ͷͷݟ௨͕͔ͬͨ͠TCPͷMTUͳͲͷઃఆ͕γϏΞʹͳΔKenji Rikitake / hostingcasual-osaka-20170930 10
ϗεςΟϯάͷҠߦͷ(3)DNSͷ໊લʹIPv4/v6྆ํ͕ରԠ͍ͯ͠Δ͜ͱʢ͍͍ͬͨͲͪΒΛ༏ઌ͢Ε͍͍?ʣϢʔβʹIPv4͔v6͔·ͬͨ͘ݟ͑ͳ͍ΧελϚʔαϙʔτͷෛ୲͕ܹ૿͢ΔՄೳੑKenji Rikitake / hostingcasual-osaka-20170930 11
ϗεςΟϯάͷҠߦͷ(4)ηΩϡϦςΟ…͋·Γʹ͕ଟ͍ͷͰৄࡉ·ͨͷػձʹKenji Rikitake / hostingcasual-osaka-20170930 12
·ͱΊϢʔβͷIPv6ͷҠߦٸʹਐΜͰ͍ΔIPv4͚ͩͷαʔϏεͰ͏ചΕ·ͤΜ!ࠓ͙͢શαʔϏεͷIPv6ରԠΛ!Kenji Rikitake / hostingcasual-osaka-20170930 13
͋Γ͕ͱ͏͍͟͝·࣭ͨ͠ @jj1bdx Ͳ͏ͧKenji Rikitake / hostingcasual-osaka-20170930 14