IPv6 Path MTU in the World and Japan

第6回IPv6オペレーションズフォーラムの発表スライド

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33. ίϯςϯπऔಘ੒ޭ World Japan MTU1500 72 72 MTU1454 71 72 MTU1454 / TCPMSS 72 72 MTU1400
 PMTU black hole 9 11 MTU1400 / TCPMSS
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    ࠶ૹͷ༗ແ ࠶ૹ͋Γ ࠶ૹͳ͠ MTU1500 World 0 72 Japan 2 70 MTU1454 World 25 47 Japan 37 35 MTU1454 TCPMSS World 0 72 Japan 2 70
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44. • MTU1500 ͷճઢΛҾ͘ • ICMP6 Packet Too Big ΛϑΟϧλ͠ͳ͍ • ϧʔλʹ TCP MSS Clamping ΛೖΕ͓ͯ͘ ΫϥΠΞϯτ
45. • MTU ͕ 1500 ΑΓখ͞ͳϦϯΫΛ࡞Βͳ͍ • ICMP6 Packet Too Big ΛϑΟϧλ͠ͳ͍ *41
46. • (҆શΛظ͢ͳΒ) MTU Λ 1280 ʹߜ͓ͬͯ͘ • ্ྲྀʹ MTU<1500 ͳϦϯΫ͕͋Δ৔߹͸ MTU Λ ߜΔ͔ TCP MSS Clamping Λ࣮ࢪ͢Δ αʔό
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48. ࣭໰͸͋Γ·ͤΜ͔ ࠤݪ ۩޾ <tsahara@iij.ad.jp> גࣜձࣾΠϯλʔωοτΠχγΞςΟϒ *1W
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50. """""
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