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5$10GqPBEUISPVHI $POOFDUJPO)BOEPGG )ZPOHZPVC,JNBOE4DPUU3JYOFS3JDF6OJWFSTJUZ *O1SPDFFEJOHTPG&VSP4ZT JEZ@VVLJ!Z@VVLJ

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*OUSPEVDUJPO ‣ 5$1ॲཧʹ͓͍ͯɼϝϞϦΞΫηε͕ϘτϧωοΫ ‣ ύέοτ͋ͨΓͷॲཧʹཁ͢Δ໋ྩ਺ͷ൒෼͕ϝϞϦΞΫηε ‣ ;FSP$PQZ*0΍νΣοΫαϜܭࢉͷΦϑϩʔυͷΑ͏ͳٕज़Ͱɹɹɹɹɹ zύέοτσʔλzʹର͢ΔϝϞϦΞΫηε͸཈͑ΒΕΔ ‣ ;FSP$PQZ*0Χʔωϧۭ͔ؒΒϢʔβۭؒʹσʔλίϐʔΛ࡟ݮͯ͠ޮ཰Խ ‣ ݱࡏͰ͸ɼzίωΫγϣϯσʔλߏ଄ମz΁ͷΞΫηε͕ϘτϧωοΫ ‣ ίωΫγϣϯ਺૿ՃʹΑΓσʔλߏ଄ମ͕$16ΩϟογϡʹͷΒͳ͘ͳΔ ‣ /*$΁ͷΦϑϩʔυʹΑΓϝϞϦΞΫηε͸ݮΒͤΔ ‣ ͔͠͠ɼίωΫγϣϯ਺͕૿Ճ͢Δͱ/*$ͷϝϞϦʹͷΒͳ͘ͳΔ

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*OUSPEVDUJPO ‣ 5$1ίωΫγϣϯϋϯυΦϑ ‣ /*$ʹશͯͷίωΫγϣϯΛΦϑϩʔυͤͣʹɼҰ෦ͷίωΫγϣ ϯΛΦϑϩʔυ͢Δ ‣ 04͸͍ͭͰ΋Φϑϩʔυͨ͠ίωΫγϣϯΛऔΓ໭ͤΔͨΊɼ/*$ ͱ$16ؒͷλεΫΛ׬શʹίϯτϩʔϧͰ͖Δɽ ‣ /*$͸Ϧιʔε͕গͳ͘ͳͬͨΒίωΫγϣϯΛ04ʹฦͤΔ ‣ /*$͸௨ৗ*1ϔομΛॲཧ͢Δ͕ɼϋϯυΦϑΛ࢖͏ͱɼ͢Ͱʹ֬ ཱ͞ΕͨίωΫγϣϯ͸ਖ਼͍͠ϙʔτͱϧʔςΟϯά৘ใΛ΋ͭͨ Ίɼ/*$͸ϧʔςΟϯά͠ͳͯ͘Α͍

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*OUSPEVDUJPO ‣ 5$1ίωΫγϣϯϋϯυΦϑ͸طଘͷఏҊͰ͋Γɼɹɹɹɹɹɹɹɹɹ ຊ࿦จͰ͸5$1ίωΫγϣϯϋϯυΦϑͷઃܭͱ࣮૷ΛఏҊ͢Δ ‣ ಠࣗͷมߋΛՃ͑ͨ'SFF#4%ͱɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ ɹ ɹ ϓϩάϥϚϒϧͳΪΨϏοτΠʔαωοτίϯτϩʔϥʹΑΓ࣮૷ ‣ ࣮ݧͷ݁Ռɼ֤ύέοτॲཧʹཁ͢Δ$16αΠΫϧΛ࡟ݮͨ͠ ‣ ୹໋ͳίωΫγϣϯʹ΋͔͔ΘΒͣɼ41&$XFC΢Σϒαʔόͷɹ εϧʔϓοτ͕޲্ ‣ 04ͷมߋ͸ιέοτ૚ҎԼͷωοτϫʔΫελοΫʹݶఆ͞Ε͍ͯΔ ‣ ଞͷ#4%ܥ04Ͱ͜ͷϋϯυΦϑΠϯλϑΣʔεΛ࢖༻͢Δͷ͸༰қ

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/FUXPSL4UBDL1FSGPSNBODF ‣ 5$1͸ෳࡶͳϓϩτίϧͰ͋Γɼඞཁͳ$16αΠΫϧ਺͕େ͖͍ ‣ (I[$16ɼ,#-ΩϟογϡͰ#Λ.CTͰૹ৴ ‣ 5$1͸ϝϞϦΞΫηε໋ྩ͕ଟ͍ʢ໿൒෼ʣ ‣ ίωΫγϣϯ͕ଟ͍ͱ͖ʢ%ͱ&ʣʹ4UBMMTʢ଴ͪ࣌ؒʣ͕ଟ͍ ‣

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5$1"$$&-&3"5*0/ ‣ طଘख๏Ͱ͋Δϑϧ5$1Φϑϩʔυͷ໰୊఺ ‣ ܭࢉࢿݯ ‣ (CTͰϑϧʹ௨৴͢ΔͱඵؒͰ(ݸͷ໋ྩ਺ ‣ ϓϩάϥϚϒϧͳϓϩηοαͰ͸ͳ͘ઐ༻ͷϋʔυ΢ΣΞ͕ඞཁ ‣ ίετ͕͔͔Δ͚ͩͰͳ͘ɼγεςϜͷॊೈੑ΋ଛͳ͏ ‣ ϝϞϦ༰ྔ ‣ /*$ͷϝϞϦ͸ओهԱΑΓ΋ߴ଎͕ͩ༰ྔ͕খ͍͞ ‣ ಉ͡ίετͰ༰ྔΛେ͖͘͢Δͱ௿଎ʹͳΓɼΦϑϩʔυ͢Δҙຯ͕ͳ͍ ‣ ιϑτ΢ΣΞΞʔΩςΫνϟͷෳࡶ͞ ‣ ϙʔτ൪߸ͷׂΓৼΓͱ*1ϧʔςΟϯά͸୯ҰͷΠϯλϑΣʔε͚ͩͰܾΊΒΕͳ͍ ‣ ෳ਺ͷΠϯλϑΣʔεΛ·͍ͨͩάϩʔόϧͳઃܭ͕ඞཁ

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$POOFDUJPO)BOEPGG ‣ ίωΫγϣϯϋϯυΦϑͷϓϩηε ‣ 04͕ίωΫγϣϯΛཱ֬͢Δ ‣ 04͕ओهԱ͔Β/*$΁ͱίωΫγϣϯͷঢ়ଶΛసૹ͢Δ ‣ 04͸ͦͷίωΫγϣϯʹର͢Δ5$1ॲཧΛҰ࣌ఀࢭ͢Δ ‣ Φϑϩʔυޙʹ04͸ΞϓϦέʔγϣϯ͔Β/*$΁ͷϦΫΤετΛதܧ͢Δ ‣ 04͕ίωΫγϣϯΛཱ֬͢ΔͨΊɼ04͸ϙʔτ൪߸ͷ֬อҎ্ͷ੍ޚ Λ΋ͯͨΓɼϧʔςΟϯάͷܾఆ͕Ͱ͖Δ

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"SDIJUFDUVSF ‣ /*$͸&UIFSOFUʹՃ͑ͯιέοτ΍5$1*1ΛؚΉ ‣ -PPLVQ૚Ͱड͚औͬͨύέοτʹରԠ͢ΔίωΫγϣϯ͕͋Δ͔Ͳ ͏͔ΛνΣοΫ ‣ ͋Ε͹/*$্Ͱ͢΂ͯॲཧ͞ΕΔ ͳ͚Ε͹ͦͷ࣌఺Ͱ04ʹ௚઀౉͞ΕΔ ‣ #ZQBTT૚͸04ͷιέοτͱ/*$ͷ ιέοτΛ஥հ͢Δ ‣ -PPLVQ૚͕ͳ͚Ε͹/*$্ͷ5$1૚ ͰνΣοΫ͢ΔͨΊඇޮ཰

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$POOFDUJPO%BUB4USVDUVSF ‣ ϋϯυΦϑͷͨΊͷίωΫγϣϯσʔλߏ଄ ‣ ϋϯυΦϑͰ͸ɼ04ͱ/*$ͷ྆ํ͕5$1ॲཧ͢Δ͜ͱ͕͋ΔͨΊɼ5$1ॲཧ ʹඞཁͳσʔλʢ4PDLFUɼ4PDLFU#V⒎FSʣΛ྆ํͰ΋ͭ ‣ /*$ʹϙΠϯλΛஔ͘ͱ;FSP$PQZ*0͕ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ ༰қʹͳΔͨΊɼ/*$ͷ4PDLFU#V⒎FSɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ ʹ͸ϝϞϦΞυϨεͱσʔλ௕Λஔ͖ɺɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ ɹ ɹ ɹ ඞཁͳͱ͖ʹϗετ͔ΒϑΣον͢Δ ‣ /*$ͷϝϞϦۭ͖༰ྔ͕খ͍͞ͱ͖͸/*$ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ ͷ4PDLFU#V⒎FSʹ͸Կ΋ஔ͔ͳ͍

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&YQFSJNFOUBM.FUIPE ‣ ؀ڥ ‣ ϗετɿ"UIMPO91()[ɼ,#-DBDIFɼ%3".(# ‣ ϓϩάϥϚϒϧ/*$ɿίΞɼ.)[ɼ.#43". ‣ ϋϯυΦϑΠϯλϑΣʔε͸υϥΠόͰ࣮૷ ‣ /*$্ͷ5$1*1࣮૷͸'SFF#4%ϕʔε ‣ ϗετͷ5$1*1࣮૷ͷมߋ͸ϋϯυΦϑΠϯλϑΣʔεͷݺͼग़͠෦෼ͷΈ ‣ /*$ͷίΞͷ͏ͪยํ͸ϓϩϑΝΠϧͷΈߦ͏ ‣ ࠷େͷ5$1εϧʔϓοτ͸.CT͕ͩɼ/*$ΛίΞ࢖͑͹.CT

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&YQFSJNFOUBM3FTVMUT $ZDMFT ‣ #ͷσʔλΛίωΫγϣϯ਺ΛมԽͤ͞ͳ͕Βଌఆ ‣ /*$ʹΦϑϩʔυ͢Δ͜ͱʹΑΓੑೳ޲্ʢ੺੨ʣ ‣ ϋϯυΦϑ࣌ʢ྘ʣ΋Φϑϩʔυແ͠ʢ੺ʣΑΓੑೳ޲্ ‣ -Ωϟογϡώοτ཰ʹ͍ͭͯ΋ಉ༷ ͷ܏޲ ‣ /*$ʹ͢΂ͯΦϑϩʔυ͢Δͱ͖͸ ϝϞϦʹ৐Βͳͯ͘ੑೳམͪΔͷͰ͸ʣ Cycles Per Packet

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$PODMVTJPO ‣ 5$1ॲཧͰ͸ϝϞϦੑೳ͕ϘτϧωοΫ ‣ /*$ͷϝϞϦ͸ߴ଎ͳͨΊɼ/*$΁ͷΦϑϩʔσΟϯάʹΑΓɼϝϞϦ ʹର͢ΔෛՙΛ؇࿨ ‣ /*$ͷϦιʔε͸ݶΒΕ͍ͯΔͷͰ͢΂ͯͷίωΫγϣϯΛΦϑϩʔυ ͢Δͱ͔͑ͬͯύϑΥʔϚϯε͕௿Լ ‣ ίωΫγϣϯϋϯυΦϑʹΑΓɼ04͕ඞཁͳͱ͖ʹίωΫγϣϯΛ /*$ʹ౉ͨ͠ΓɼऔΓ໭ͨ͠Γ͢Δ͜ͱͰϦιʔεͷόϥϯεΛ੍ޚ ‣ ࣮ݧͷ݁ՌɼϓϩτλΠϓ൛͸$16αΠΫϧΛ࡟ݮ ‣ γϛϡϨʔγϣϯ൛͸࡟ݮ

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Yet Another Handoff