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*41Ͱ༻͍ΒΕ͍ͯΔ
 ٕज़ͱωοτϫʔΫ ஛ాཾഅ 

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ࣗݾ঺հ w ஛ాཾഅ ͚ͨͩΓΐ͏·  w ۀ຿಺༰ w *41ͷΤοδଆ ސ٬ଆʹ͍ۙωοτϫʔΫ ͷӡ༻ɺαϙʔτ w ͦͷଞ΍͍ͬͯΔ͜ͱ w *OUFSOFU8FFLͷϓϩάϥϜاը w TVLJZBLJQSPKFDU w IUUQTXXXTVLJZBLJTLJ 

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*41ͱ͸Կ͔ w *OUFSOFU4FSWJDF1SPWJEFS w ެऺ௨৴ճઢͳͲΛܦ༝ͯ͠ܖ໿ऀʹ
 ωοτϫʔΫͷ઀ଓੑΛఏڙ͢Δࣄۀऀ w ͭ·Γ w ࣗ෼ͨͪͰɺ༷ʑͳڌ఺ʹ޲͚ͯͷ઀ଓੑΛ࣋ͪ w ར༻͍ͨ͠ͱ͍͏ਓʹରͯ͠઀ଓੑΛఏڙ͠ w ωοτϫʔΫʢΠϯλʔωοτʣΛར༻Ͱ͖ΔΑ͏ʹ͍ͯ͠Δ 3

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ISP ͷωοτϫʔΫߏ੒ 4 όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ όοΫϘʔϯ ϧʔλ όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ QFFS USBOTJU CDN Internet eXchange QFFS ઐ༻ઢ ϒϩʔυόϯυ ϞόΠϧ ΞϓϦέʔγϣϯ ର֎઀ଓ όοΫϘʔϯ Τοδ

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*41͕࣋ͭର֎઀ଓͱ͸ w ଟ͘ͷ*41͕ɺΠϯλʔωοτ UIF*OUFSOFU 
 ΁ͷ઀ଓੑΛఏڙ͍ͯ͠Δ w ·ͣͲ͏΍ͬͯɺΠϯλʔωοτ΁઀ଓ͍ͯ͠Δ͔ʁ w ͢΂ͯͷ*41΁઀ଓͰ͖ΔࣄۀऀʹͳΔ w ͢΂ͯͷ*41΁઀ଓͰ͖Δࣄۀऀ͔Β઀ଓੑΛങ͏ 5

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Πϯλʔωοτͷߏ଄ͱ͸ w ݱࡏͷΠϯλʔωοτ͸ɺ
 ༷ʑͳࣄۀऀ͕֊૚ߏ଄
 ʹͳͬͯܗ੒͞Ε͍ͯΔ w ্Ґͷ֊૚͔Βॱʹɺ5JFS 5JFSͱݺ͹ΕΔ w ֊૚ͷ্Լ͸ɺϐΞɾτϥϯδοτͷؔ܎͔Β
 ܾఆ͢Δ͜ͱ͕Ұൠత 5JFS 5JFS 5JFS AS1 AS2 AS4 AS3 AS5 AS6 AS7 AS8 AS9

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ϐΞ w ޓ͍ͷܦ࿏৘ใΛަ׵͠ɺ
 ޓ͍ͷ"4΁ͷ౸ୡੑΛ֬อ͢Δؔ܎Λɺ
 ϐΞ QFFS ͱݺΜͰ͍Δ w ϐΞʹΑΔτϥϑΟοΫͷަ׵͸ɺ
 ແঈͰߦΘΕΔ͜ͱ͕ଟ͍ 7 AS AS AS ϐΞ ϐΞ ϐΞ 5JFSO

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τϥϯδοτ w ޓ͍ͷܦ࿏৘ใΛަ׵͠ɺޓ͍ͷ"4ҙ֎΁ͷ౸ୡੑ΋
 ֬อ͢Δؔ܎Λɺτϥϯδοτ USBOTJU ͱݺΜͰ͍Δ w τϥϯδοτͷఏڙ͸ɺ༗ঈʹͳΔ͜ͱ͕ଟ͘ɺ
 ͦͷֹ͸τϥϑΟοΫྔʹԠͨ͡ैྔ՝ۚͱͳΔ͜ͱ͕ଟ͍  AS AS AS ϐΞ ϐΞ ϐΞ AS τϥϯδοτ 5JFSO 5JFSO 

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*41ͷڧΈͱ͸ w *41ͷڧ͞͸ɺ
 ͍͔ʹ໨త஍·Ͱૣ͘ɺ௨৴Λམͱ͢͜ͱͳ͘ಧ͚Δ͔ w ϐΞɾτϥϯδοτΛଟ͘ͷࣄۀऀͱߦ͏΄͏͕ɺ
 ໨త஍·Ͱͷ࿦ཧతͳڑ཭͸୹͘ͳΔ w ࣗ෼͕઀ଓ͠Α͏ͱ͍ͯ͠Δ*41͕ɺ
 ʮͲ͜ͱϐΞɾτϥϯδοτΛ͍ͯ͠Δͷ͔ʯ
 Λ஌Δ͜ͱ͸ͱͯ΋ॏཁ 

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ISP ͷωοτϫʔΫߏ੒  όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ όοΫϘʔϯ ϧʔλ όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ QFFS USBOTJU CDN Internet eXchange QFFS ઐ༻ઢ ϒϩʔυόϯυ ϞόΠϧ ΞϓϦέʔγϣϯ όοΫϘʔϯ Τοδ ର֎઀ଓ

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*41ͷόοΫϘʔϯߏ੒  w *41ͷόοΫϘʔϯ͸ɺ
 ༻్ʹԠͯ͡ଟஈߏ੒ΛऔΔ͜ͱ͕ଟ͍ w αʔϏεऩ༰ϧʔλ
 ༷ʑͳαʔϏεΛऩ༰͠ɺόοΫϘʔϯ΁ͱӡͿઃඋ w όοΫϘʔϯϧʔλ
 αʔϏεͰൃੜͨ͠τϥϑΟοΫΛӡͿઃඋ w *9ϧʔλ
 ଞࣄۀऀͱͷ૬ޓ઀ଓΛߦ͏ઃඋ w ͦΕͧΕٻΊΒΕΔੑೳɺ
 ϝϯςφϯε࣌ͷӨڹ͕ҟͳͬͯ͘Δ όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ όοΫϘʔϯ ϧʔλ όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ QFFS USBOTJU CDN Internet eXchange QFFS ઐ༻ઢ ϒϩʔυόϯυ ϞόΠϧ ΞϓϦέʔγϣϯ

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*41ͷόοΫϘʔϯߏ੒  όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ όοΫϘʔϯ ϧʔλ όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ QFFS USBOTJU CDN Internet eXchange QFFS ઐ༻ઢ ϒϩʔυόϯυ ϞόΠϧ ΞϓϦέʔγϣϯ Τοδ όοΫϘʔϯ ର֎઀ଓ

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͓٬͞Μʹఏڙ͢ΔωοτϫʔΫ  w αʔϏεऩ༰ϧʔλΑΓ഑Լʹ͸ɺ
 ֤αʔϏεʹԠ༷ͨ͡ʑͳߏ੒ͷωοτϫʔΫ͕͋Δ w ࠷΋Ұൠతͳʢݹ͔͘Β͋ΔʣαʔϏε͕ɺ
 ઐ༻ઢͱݺ͹ΕΔαʔϏε w ͓٬͞Μͷͱ͜ΖʹճઢΛҾ͍ͯɺ
 Πϯλʔωοτ΁઀ଓͰ͖ΔΑ͏ʹ͢ΔαʔϏε

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ར༻ܗଶ  w ճઢͷఏڙʹ΋༷ʑͳܗ͕ࣜ͋Γɺ͓٬͞Μ͕ͲΕ΄Ͳ ճઢΛॏཁࢹ͍ͯ͠Δ͔Ͱܾ·ͬͯ͘Δ w ো֐͕ى͖ͯ΋௨৴அ͕ى͖ͯ΄͘͠ͳ͍ w ௨৴ྔ͕ଟ͍ͷͰɺ9(CQTͷଳҬΛ༻ҙͯ͠΄͍͠

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ར༻ܗଶͷҰྫ  w *41͕ɺ͓٬͞Μʹఏڙ͠ ͍ͯΔܗଶͷҰྫ w ֤ϨΠϠʹ͓͍ͯɺ
 ৑௕ੑΛ֬อ͍ͯ͠Δ w -#(1 7331 041' w -451 -"( w -ޫεΠον w ৔߹ʹΑͬͯ͸ɺ
 *41͕͓٬͞Μͷωοτϫʔ ΫΛ؅ཧ͢Δ͜ͱ΋͋Δ
 4*ͳͲ ޫεΠον Τοδϧʔλ αʔϏεऩ༰ ϧʔλ ͓٬͞Μͷ ωοτϫʔΫ #(1 7331 451 -"(

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ճઢʹ෇ਵͯ͠ఏڙ͢Δ΋ͷ w %/4ʹΑΔ໊લղܾػೳͷఏڙ w ͓٬͞Μ͕ճઢΛ࢖༻͢Δࡍʹࢀর͢Δ
 Ωϟογϡαʔό w *1ΞυϨεΛׂΓ౰ͯͨࡍɺ
 ٯҾ͖ͷ໊લղܾ͕ग़དྷΔΑ͏ʹ͢ΔͨΊͷ
 ݖҖ%/4αʔό w ଞʹ΋ɺ/51αʔόͳͲɺ
 ސ٬͕Α͘ར༻͢Δ΋ͷΛ෇͚ͯఏڙ͍ͯ͠Δ*41΋͋Δ 16

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ճઢΛकΔ %P4ରࡦ w % %P4 <%JTUSJCVUFE>%FOZPG4FSWJDF 
 ໨ඪͷαʔϏεʹରͯ͠େྔͷαʔϏεཁٻΛૹΓɺ
 ਖ਼ৗͳαʔϏεఏڙΛෆೳʹ͢Δ͜ͱ w *41͸ɺ௨৴ΛӡͿͷ͕࢓ࣄͳͷͰɺ
 ௨৴ΛࢭΊΔ͜ͱ͸ຊདྷͷ࢓ࣄͰ͸ͳ͍ w *41͸ɺجຊతʹ͸͓٬͞Μͷ௨৴ΛݟΔ͜ͱ͕Ͱ͖ͳ͍
 ʢ௨৴ͷൿີʣ 17

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ճઢΛकΔ %P4ରࡦ w ͓٬͞Μʹఏڙ͍ͯ͠ΔଳҬ
 Ҏ্ͷ߈ܸ͕དྷͨ৔߹ w ͓٬͞Μ͸௨৴Λར༻͢Δ͜ ͱ͕Ͱ͖ͳ͍ w ͓٬͞ΜଆͰϑΟϧλ
 ͯ͠΋ɺ্ྲྀͷଳҬ͕
 ڱ͍ͷͰͲ͏͠Α͏΋ͳ͍ 18 Τοδϧʔλ αʔϏεऩ༰ ϧʔλ ͓٬͞Μͷ ωοτϫʔΫ ߈ܸύέοτ (CQT ଳҬ (CQT ਖ਼ৗͳ௨৴ (CQT ਖ਼ৗͳ௨৴͕ಧ͔ͳ͍

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ճઢΛकΔ %P4ରࡦ w ͓٬͞Μ͔Βͷཁ๬͕͋Δ৔߹PS*41
 ͷ͍࣋ͬͯΔઃඋʹӨڹ͕͋Δ৔߹ɺ
 ͓٬͞Μͷ௨৴ΛݟͯϑΟϧλΛೖΕΔ w "$- ΞΫηεϦετ ͳͲͰϑΟϧλ w 35#)#(1ͷܦ࿏޿ࠂͰɺOFYUIPQΛม͑Δ OVMM ͜ ͱʹΑΓɺ͓٬͞ΜѼʹ௨৴͕ྲྀΕͳ͍Α͏ʹ͢Δ 19

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·ͱΊ w *41ͷωοτϫʔΫ͸ɺஈߏ੒
 *9 ίΞ αʔϏεऩ༰ϧʔλ ʹΑͬͯߏ੒͞Ε͍ͯΔ w ΑΓଟ͘ͷސ٬΁ճઢʢτϥϯδοτʣ
 Λఏڙ͢Δ͜ͱʹΑΓɺ*41ͷωοτϫʔΫΛ޿͍͛ͯΔ w ແঈͰτϥϑΟοΫΛަ׵͠߹͏͜ͱͰϐΞΛு͍ͬͯΔ w *41͸Πϯλʔωοτ΁ͷ઀ଓੑͷଞʹఏڙ͍ͯ͠Δ΋ͷ w %/4 /51αʔόͳͲ w %%P4ରࡦ 20 όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ όοΫϘʔϯ ϧʔλ όοΫϘʔϯ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ αʔϏεऩ༰ ϧʔλ *9 ϧʔλ *9 ϧʔλ QFFS USBOTJU CDN Internet eXchange QFFS ઐ༻ઢ ϒϩʔυόϯυ ϞόΠϧ ΞϓϦέʔγϣϯ