ᛂ⏝᝟ሗࢩࢫࢸ࣒◊✲㒊㛛
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1 㒊㛛ࢫࢱࢵࣇ

ᮇㄢ⛬ಟ஢ࠋ2003 ᖺ 10 ᭶኱㜰እᅜㄒ኱Ꮫ᝟ሗฎᩍᤵ ୗᲄ ┿ྖ⌮ࢭࣥࢱ࣮ㅮᖌࠋ⤫ྜ࡟ࡼࡾࠊ2007 ᖺ 10 ᭶኱㜰␎Ṕ㸸1981 ᖺ 3 ᭶኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗᕤᏛ኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ㅮᖌ࡜࡞ࡾ⌧ᅾ⛉༞ᴗࠊ1983 ᖺ 3 ᭶኱㜰኱Ꮫ኱Ꮫ㝔ᇶ♏ᕤᏛ◊࡟⮳ࡿࠋ༤ኈ㸦ᕤᏛ㸧
㸦2003 ᖺ 3 ᭶ࠊྠᚿ♫኱Ꮫ㸧ࠋ✲⛉≀⌮⣔ᑓᨷ༤ኈ๓ᮇㄢ⛬ಟ஢ࠊ1986 ᖺ 3 ᭶᝟ሗฎ⌮Ꮫ఍ࠊேᕤ▱⬟Ꮫ఍ྛ఍ဨࠋ

኱㜰኱Ꮫ኱Ꮫ㝔ᇶ♏ᕤᏛ◊✲⛉≀⌮⣔ᑓᨷ༤ኈᚋᮇㄢ⛬ಟ஢ࠋ1986 ᖺ 4 ᭶኱㜰኱Ꮫᇶ♏ᕤᏛ㒊ຓᩍ ᮾ⏣ Ꮫ

ຓᡭࠊ1989 ᖺ 2 ᭶኱㜰኱Ꮫ኱ᆺィ⟬ᶵࢭࣥࢱ࣮

␎Ṕ㸸1989 ᖺ 3 ᭶ᮾிᕤᴗ኱Ꮫ⌮Ꮫ㒊ᩘᏛ⛉༞ㅮᖌࠊ1991 ᖺ 4 ᭶኱㜰኱Ꮫ኱ᆺィ⟬ᶵࢭࣥࢱ࣮

ᴗࠊ1991 ᖺ 3 ᭶ᮾிᕤᴗ኱Ꮫ኱Ꮫ㝔⌮ᕤᏛ◊✲ຓᩍᤵࠊ1998 ᖺ 4 ᭶኱㜰኱Ꮫ኱ᆺィ⟬ᶵࢭࣥࢱ࣮

⛉ᩘᏛᑓᨷಟኈㄢ⛬ಟ஢ࠊ1997 ᖺ 3 ᭶኱㜰኱Ꮫ

ᩍᤵࠊ2000 ᖺ 4 ᭶ࡼࡾ኱㜰኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕

኱Ꮫ㝔ᇶ♏ᕤᏛ◊✲⛉≀⌮⣔ᑓᨷ༤ኈㄢ⛬ಟ஢ࠋ࢔ࢭࣥࢱ࣮ᛂ⏝ࢩࢫࢸ࣒◊✲㒊㛛ᩍᤵࠋ2008 ᖺ 41994 ᖺ኱㜰኱Ꮫ኱ᆺィ⟬ᶵࢭࣥࢱ࣮ຓᡭࠊ2000᭶ࡼࡾ᝟ሗ㏻ಙ◊✲ᶵᵓ኱ᡭ⏫ࢿࢵࢺ࣮࣡ࢡ◊ᖺ 4 ᭶኱㜰኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ᛂ⏝✲⤫ᣓࢭࣥࢱ࣮㛗ࠋ᝟ሗฎ⌮Ꮫ఍ࠊ㟁Ꮚ᝟ሗ㏻ಙ

᝟ሗࢩࢫࢸ࣒◊✲㒊㛛ຓᡭࠊ2007 ᖺ 4 ᭶ࡼࡾຓᏛ఍ࠊACMࠊIEEEࠊࢯࣇࢺ࢙࢘࢔⛉Ꮫ఍ྛ఍ဨࠋ

ᩍࠋ෸ᩍᤵ 㤿ሙ ೺୍ຓᩍ 㜿㒊 ὒ୔␎Ṕ㸸1990 ᖺ 3 ᭶኱㜰኱Ꮫᇶ♏ᕤᏛ㒊᝟ሗᕤᏛ␎Ṕ㸸 1999 ᖺ 3 ᭶⟃Ἴ኱Ꮫ➨୕Ꮫ⩌᝟ሗᏛ㢮༞⛉༞ᴗࠊ1992 ᖺ 3 ᭶኱㜰኱Ꮫ኱Ꮫ㝔ᇶ♏ᕤᏛ◊

ᴗࠊ2004 ᖺ 3 ᭶⟃Ἴ኱Ꮫ኱Ꮫ㝔༤ኈㄢ⛬ᕤᏛ◊✲⛉≀⌮⣔ᑓᨷ༤ኈ๓ᮇㄢ⛬ಟ஢ࠊ1992 ᖺ 9 ᭶✲⛉ಟ஢ࠊ༤ኈ㸦ᕤᏛ㸧ࠋ⛉Ꮫᢏ⾡᣺⯆ᶵᵓ CREST኱㜰኱Ꮫ኱Ꮫ㝔ᇶ♏ᕤᏛ◊✲⛉≀⌮⣔ᑓᨷ༤ኈ◊✲ဨࠊ㇏ᶫᢏ⾡⛉Ꮫ኱Ꮫ᝟ሗᕤᏛ⣔ຓᩍࠊ኱㜰ᚋᮇㄢ⛬㏥Ꮫࠋ1992 ᖺ 10 ᭶኱㜰኱Ꮫ᝟ሗฎ⌮ᩍ኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ຓᩍ࡞࡝ࢆ⤒࡚ࠊ⫱ࢭࣥࢱ࣮ຓᡭࠊ1997 ᖺ 4 ᭶㧗▱ᕤ⛉኱ᏛᕤᏛ2013 ᖺ 1 ᭶ࡼࡾ⟃Ἴ኱Ꮫࢩࢫࢸ࣒᝟ሗ⣔෸ᩍᤵࠋ㒊㟁Ꮚ࣭ගࢩࢫࢸ࣒ᕤᏛ⛉ㅮᖌࠊ1998 ᖺ 12 ᭶኱᝟ሗฎ⌮Ꮫ఍ࠊ᪥ᮏࢯࣇࢺ࢙࢘࢔⛉Ꮫ఍ࠊIEEEࠊ㜰኱Ꮫ኱ᆺィ⟬ᶵࢭࣥࢱ࣮ຓᩍᤵࠊ2000 ᖺ 4 ᭶

ACM ྛ఍ဨࠋ

኱㜰኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ᛂ⏝᝟ሗࢩࢫࢸ࣒◊✲㒊㛛ຓᩍᤵࠊ2007 ᖺ 4 ᭶ࡼࡾ෸ᩍᤵࠋ

ව௵ᩍဨ༤ኈ㸦ᕤᏛ㸧
㸦1995 ᖺ 3 ᭶ࠊ኱㜰኱Ꮫ㸧ࠋ㟁Ꮚ᝟≉௵ㅮᖌ 㔝ᓮ ୍ᚨ㸦኱㜰኱Ꮫ ᇶ♏ᕤᏛ㒊㸧

ሗ㏻ಙᏛ఍ࠊIEEE ఍ဨࠋຓᩍ ᕷᕝ ᪿᖹ㸦኱㜰኱Ꮫ ᝟ሗ௻⏬ᐊࠊ2012 ᖺ
5 ᭶ࡲ࡛㸧ຓᩍ ᯽ᓮ ♩⏕㸦኱㜰኱Ꮫ ᝟ሗ௻⏬ᐊࠊ2012 ᖺㅮᖌ ᑠᓥ ୍⚽␎Ṕ㸸1998 ᖺ 3 ᭶ྠᚿ♫኱ᏛᕤᏛ㒊▱㆑ᕤᏛ⛉
༞ᴗࠊ2000 ᖺ 3 ᭶ྠᚿ♫኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉▱㆑ᕤᏛᑓᨷ༤ኈ๓ᮇㄢ⛬ಟ஢ࠋ2003 ᖺ 3 ᭶ྠᚿ♫኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉▱㆑ᕤᏛᑓᨷ༤ኈᚋ
― 81 ―

12 ᭶ࡼࡾ㸧z ࣐ࣝࢳ࣓ࢹ࢕࢔ᕤᏛ₇⩦ I࣭II㸦඲ᩍဨ㸧≉௵ᩍဨ࣭◊✲ဨ≉௵◊✲ဨ㸦ᖖ໅㸧 ▼ ⰾṇ㸦኱㜰኱Ꮫ ࢧ࢖ࣂ࣮z ࣐ࣝࢳ࣓ࢹ࢕࢔ᕤᏛ◊✲ I࣭II㸦඲ᩍဨ㸧࣓ࢹ࢕࢔ࢭࣥࢱ࣮ ᝟ሗ࣓ࢹ࢕࢔ᩍ⫱◊✲㒊㛛㸧z IT Keys ࢩࢫࢸ࣒ᨷᧁ࣭㜵ᚚ₇⩦㸦㜿㒊㸧≉௵◊✲ဨ ᕝୖ ᭸ஓ㸦኱㜰኱Ꮫ ࢧ࢖ࣂ࣮࣓
ࢹ࢕࢔ࢭࣥࢱ࣮ ᝟ሗ࣓ࢹ࢕࢔ᩍ⫱◊✲㒊㛛㸧z ࢩࢫࢸ࣒ࣉࣟࢢ࣒ࣛ㸦㤿ሙࠊᑠᓥ㸧z 㟁Ꮚ᝟ሗᕤᏛᗎㄽ㸦ୗᲄ㸧z ᝟ሗࢩࢫࢸ࣒ᕤᏛࢭ࣑ࢼ࣮I࣭II㸦඲ᩍဨ㸧z ᝟ሗࢩࢫࢸ࣒ᕤᏛᐇ㦂 I࣭II㸦඲ᩍဨ㸧ᣍ࡬࠸ᩍဨ࣭◊✲ဨᣍ࡬࠸ᩍᤵ ᆏ⏣ ᜏ᫛㸦ሷ㔝⩏〇⸆ᰴᘧ఍♫㸧z ᝟ሗ᥈⣴ධ㛛㸦ᮾ⏣㸧ᣍ࡬࠸෸ᩍᤵ ᑎす ⿱୍㸦᝟ሗ㏻ಙ◊✲ᶵᵓ㸧z ࢧ࢖ࣂ࣮ࢧ࢖࢚ࣥࢫࡢୡ⏺㸦ᑠᓥ㸧ᣍ࡬࠸෸ᩍᤵ ⛅ᒣ ㇏࿴㸦ி㒔⏘ᴗ኱Ꮫ㸧ᣍ࡬࠸෸ᩍᤵ ᆏ᰿ ᰤస㸦ᅜ❧᝟ሗᏛ◊✲ᡤ㸧

2.2 ࢫ࣮ࣃ࣮ࢥࣥࣆ࣮ࣗࢱ࣭ࢩࢫࢸ࣒ࡢ㐠⏝ᮏࢭࣥࢱ࣮ࡢ኱つᶍィ⟬ᶵࢩࢫࢸ࣒ࡣࠊ2007 ᖺ 1

ᣍ࡬࠸෸ᩍᤵ 㔝ᕝ ⿱グ㸦ᰴᘧ఍♫ࢭ࢟ࣗ࢔࢙࢘

᭶࡟᭦᪂ࢆ⾜ࡗࡓࢫ࣮ࣃ࣮ࢥࣥࣆ࣮ࣗࢱ࣭ࢩࢫࢸ࣒ࠊ

࢔㸧ᣍ࡬࠸ᩍဨ ෠ᶔ ♸୍㸦⚄ᡞ኱Ꮫ㸧࠾ࡼࡧࠊྠᖺ 3 ᭶࡟᭦᪂ࢆ⾜ࡗࡓࢡࣛࢫࢱᆺỗ⏝ࢥᣍ࡬࠸ᩍဨ ຍ⸨ ⢭୍㸦රᗜ་⒪኱Ꮫ㸧ࣥࣆ࣮ࣗࢱ࣭ࢩࢫࢸ࣒࠿ࡽᵓᡂࡉࢀ࡚࠸ࡿࠋᏛ㝿኱つᶍ᝟ሗᇶ┙ඹྠ฼⏝࣭ඹྠ◊✲ᣐⅬᣍ࡬࠸෸ᩍᤵ ᕷᕝ ᪿᖹ㸦ዉⰋඛ➃኱Ꮫ㝔኱Ꮫࠊ

(JHPCN)࡟ࡼࡿ฼⏝ಁ㐍ࠊ㠉᪂ⓗࣁ࢖ࣃࣇ࢛࣮࣐ࣥ

2012 ᖺ 6 ᭶ࡼࡾ㸧ᣍ࡬࠸෸ᩍᤵ ୰ᕝ 㑳ኵ㸦ᰴᘧ఍♫࢖ࣥࢸࢵࢡࠊ
2012 ᖺ 10 ᭶ࡼࡾ㸧ࢫ࣭ࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢ࣭࢖ࣥࣇࣛ(HPCI)ࡢᵓ⠏࡟
ࡶ㈉⊩ࡋ࡚࠸ࡿࠋ

ᣍ࡬࠸෸ᩍᤵ 㜿㒊 ὒ୔㸦⟃Ἴ኱Ꮫࠊ2013 ᖺ 1
2.3 ỗ⏝ࢥࣥࣆ࣮ࣗࢱࢩࢫࢸ࣒ࡢ⟪㠃࢟ࣕࣥࣃࢫ㒊

᭶ࡼࡾ㸧

ศࡢᑟධ
ỗ⏝ࢥࣥࣆ࣮ࣗࢱࢩࢫࢸ࣒ࡢ୍㒊ࡣࠊ⟪㠃࢟ࣕࣥඹྠ◊✲ᩍဨ෸ᩍᤵ ఀ㐩 㐍㸦኱㜰኱Ꮫ ࢧ࢖ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮ ᝟ሗ࣓ࢹ࢕࢔ᩍ⫱◊✲㒊㛛㸧ࣃࢫ࡟ࡶタ⨨ࡉࢀࠊᩍ⫱⏝ࡢ PC ᩍᐊ࡜ࡋ࡚ࡶ౑⏝ࡉࢀࡿࠋ⟪㠃࢟ࣕࣥࣃࢫ㒊ศࡢ௙ᵝసᡂࢆ᏶ᡂࡉࡏࠊ෸ᩍᤵ ᫓ᮏ せ㸦኱㜰኱Ꮫ ኱Ꮫ㝔ᕤᏛ◊✲⛉ ♫ᑟධᡴࡕྜࢃࡏ࡬ࡢཧຍࡸࠊ࢖ࣥࢫࢺ࣮ࣝ࡟ᚲせ࡞ࢹ࣮ࢱࡢ཰㞟࡞࡝ࢆ⾜ࡗࡓࠋࢧ࣮ࣅࢫᥦ౪ᚋࡶࠊ฼

఍㐃ᦠᐊ᝟ሗࢿࢵࢺ࣮࣡ࢡ㒊㛛㸧⏝ࡢᡭᘬࡁࡢసᡂࡸࠊ➃ᮎࡢ࢖࣓࣮ࢪ᭦᪂࡟ᚲせ࡞

2 ᩍ⫱࠾ࡼࡧᩍ⫱ᨭ᥼ᴗ⦼ࢹ࣮ࢱ཰㞟࡞࡝ࢆ⾜ࡗ࡚࠸ࡿࠋ

2.1 ᩍ⫱άືᮏ㒊㛛ࡣࠊ኱Ꮫ㝔᝟ሗ⛉Ꮫ◊✲⛉࣐ࣝࢳ࣓ࢹ࢕࢔
ᕤᏛᑓᨷࠊ࠾ࡼࡧᕤᏛ㒊㟁Ꮚ᝟ሗᕤᏛ⛉᝟ሗ㏻ಙᕤ

2.4 㧗ᗘእᅜㄒᩍ⫱඲ᅜ㓄ಙࢩࢫࢸ࣒ࡢࡑࡢᚋ
2.4.1 ᏶஢ࣉࣟࢪ࢙ࢡࢺࡢᡂᯝࡢ㓄ಙᏛ⛉┠᝟ሗࢩࢫࢸ࣒ᕤᏛࢡࣛࢫ࡟࡚ᛂ⏝࣓ࢹ࢕࢔ᕤ

㧗ᗘእᅜㄒᩍ⫱඲ᅜ㓄ಙࢩࢫࢸ࣒ࡢᵓ⠏㸦㧗ᗘ㓄Ꮫㅮᗙࢆව௵ࡋ࡚࠾ࡾࠊ኱Ꮫ㝔ࠊᏛ㒊Ꮫ⏕ࡢ◊✲ᣦಙࣉࣟࢪ࢙ࢡࢺ㸧࡜♫఍ேࢆᑐ㇟࡜ࡋࡓᏛኈࣞ࣋ࣝ

ᑟࢆ⾜࠺࡜࡜ࡶ࡟ࠊୗグࡢㅮ⩏ࢆᢸᙜࡋࡓࠋ

ࡢእᅜㄒᩍ⫱ࣉࣟࢢ࣒ࣛ㸦♫఍ேࣉࣟࢪ࢙ࢡࢺ㸧ࡣz ࣐ࣝࢳ࣓ࢹ࢕࢔ࢹ࣮ࢱㄽ㸦ୗᲄࠊ㤿ሙࠊᑠᓥ㸧๓ᖺᗘ࡛᏶஢ࡋࡓࡀࠊࡑࢀࡽ࡛㛤Ⓨࡉࢀࡓ e ࣮ࣛࢽz ࣐ࣝࢳ࣓ࢹ࢕࢔ࢩࢫࢸ࣒࢔࣮࢟ࢸࢡࢳࣕ㸦ୗᲄࠊࣥࢢᩍᮦࡢබ㛤ࢆ⥅⥆ࡋ࡚࠾ࡾࠊᚲせ࡞ᶵჾࡢ࣓ࣥ

㤿ሙࠊᑠᓥ㸧

ࢸࢼࣥࢫ࡞࡝ࢆ⥅⥆ࡋ࡚࠸ࡿࠋz ᝟ሗᢏ⾡࡜೔⌮㸦㤿ሙ㸧z ࣐ࣝࢳ࣓ࢹ࢕࢔ᕤᏛࢭ࣑ࢼ࣮I࣭II㸦඲ᩍဨ㸧ᑠつᶍ࡛ࡣ࠶ࡿࡀಟṇࡸ᭦᪂ࡶ⥅⥆ࡋ࡚࠸ࡿࠋ≉࡟ࠊ㧗ᗘ㓄ಙࣉࣟࢪ࢙ࢡࢺ࡛㛤Ⓨࡉࢀࡓ e ࣮ࣛࢽࣥ― 82 ―

ࢢᩍᮦࡣ⭾኱࡛࠶ࡿ࡜ྠ᫬࡟ࠊᗈࡃά⏝ࡉࢀ࡚࠸ࡿ

ࢹ࢜ࡢసᡂࡸࠊ࣋ࢺࢼ࣒ㄒࡢᩍ⛉᭩ 2 ෉࡜ࣁࣥ࢞

ࡼ࠺࡛࠶ࡾࠊᏛእ࠿ࡽࡢㄗࡾࡢᣦ᦬ࡀ㏦ࡽࢀ࡚᮶ࡿ

࣮ࣜㄒࡢᩍ⛉᭩ 1 ෉ࡢ㡢ኌࢹ࣮ࢱࡢ㘓㡢࡜⦅㞟ࠊࢺࡇ࡜ࡶࡋࡤࡋࡤ࡛࠶ࡿࠋㄗࡾࡢᣦ᦬ࡣࠊࡑࡢゝㄒࡢࣝࢥㄒࡢ e ࣮ࣛࢽࣥࢢᩍᮦࡢ㛤Ⓨࡢᨭ᥼࡞࡝ࢆ⾜ࡗᢸᙜᩍဨ࡜㐃ᦠࡋ࡚ಟṇࢆ⾜ࡗࡓࠋࡓࠋࡇࡇ࡛ࡶࠊ㛵ಀࡢᩍဨࡢ༠ຊࢆᚓ࡚࠸ࡿࠋ

2.4.2 ᏶஢ࣉࣟࢪ࢙ࢡࢺࡢᶵᮦࡢ⛣タ࡜⟶⌮㧗ᗘ㓄ಙࣉࣟࢪ࢙ࢡࢺ࡜♫఍ேࣉࣟࢪ࢙ࢡࢺࠊࡉ

3 ◊✲ᴫせࡽ࡟௨๓࡟⤊஢ࡋࡓ⌧௦ GP ࣉࣟࢪ࢙ࢡࢺ࡟࠾࠸࡚

3.1 ࢢࣜࢵࢻᇶ┙ᢏ⾡㛤Ⓨ࡜ᛂ⏝ࡣ」ᩘࡢ㒊ᒇࢆ༨᭷ࡍࡿࡼ࠺࡞ᴟࡵ࡚ከᩘࡢᶵᮦࡀ

3.1.1 ࢢࣜࢵࢻᇶ┙ᢏ⾡㛤Ⓨ࡜ᛂ⏝⏝ពࡉࢀࡓࡀࠊࡇࢀࡽࣉࣟࢪ࢙ࢡࢺᶵᮦࡢ⟶⌮ࢆ⥅㏆ᖺࠊࢿࢵࢺ࣮࣡ࢡࢆࢯࣇࢺ࢙࢘࢔࡟ࡼࡗ࡚㞟୰ⓗ࡟⟶⌮ࠊไᚚࡍࡿ Software-Defined Network (SDN)⥆ࡋ࡚࠸ࡿࠋ
ࣉࣟࢪ࢙ࢡࢺ࣮࣒ࣝࡢ⛣タࡀⓎ⏕ࡋࡓࡀࠊᶵᮦࡢ

ࡀᛴ㏿࡟ὀ┠ࢆ㞟ࡵ࡚࠸ࡿࠋSDN ࡛ࡣࠊࢿࢵࢺ࣮࣡

ᩚ⌮ࡸᲕໟࠊᩚ㡻࡞࡝ࢆ⾜ࡗࡓࠋࣉࣟࢪ࢙ࢡࢺᶵᮦ

࢟ࣥࢢᶵ⬟ࡢ࠺ࡕࠊࣃࢣࢵࢺ㌿㏦ᶵ⬟ࢆᣢࡘࢹ࣮ࢱ

ࡣࠊ⭾኱࡞㔞࡛࠶ࡾࠊ✀㢮ࡶከᒱ࡟ࢃࡓࡿࡓࡵࠊ㛵ࣉ࣮ࣞࣥ࡜ࠊࣃࢣࢵࢺࡢ⤒㊰ไᚚ࡞࡝ࡢィ⟬ࢆ⾜࠺ಀࡋ࡚࠸ࡓᩍဨࡸᏛ⏕ࡢ↓ൾࡢ༠ຊ࡟ࡼࡾ⛣タࢆ᏶ࢥࣥࢺ࣮ࣟࣝࣉ࣮ࣞࣥ࡜࡟ศ㞳ࡋ࡚ᢅ࠺ࠋᚑ᮶ࡢ

஢ࡍࡿࡇ࡜ࡀ࡛ࡁࡓ㸦ᅗᅗ㸧ࠋࢿࢵࢺ࣮࣡ࢡᶵჾ࡛ࡣࠊࡇࢀࡽࡢࢿࢵࢺ࣮࣡࢟ࣥࢢ
ᶵ⬟ࢆ࡜ࡶ࡟ලഛࡋ࡚࠸ࡿࡢ࡟ᑐࡋࠊࡇࡢ SDN ࡟࠾࠸࡚ࡣࣃࢣࢵࢺ㌿㏦ᶵ⬟ࡢࡳࢆࢫ࢖ࢵࢳࡸ࣮ࣝࢱ࡞
࡝ࡢࢿࢵࢺ࣮࣡ࢡᶵჾ࡟ṧࡋࠊࣃࢣࢵࢺࡢ⤒㊰ࢆỴᐃࡍࡿᶵ⬟ࢆࢥࣥࢺ࣮ࣟࣝࣉ࣮ࣞࣥ࡜ࡋ࡚㞟⣙ࡍࡿࠋࡇࡢࡓࡵࠊᚑ᮶ࡢࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚ࡣࠊ୍᫬ⓗ࠿ࡘᐇ㦂ⓗ࡟ࢿࢵࢺ࣮࣡ࢡࢆ฼⏝ࡋࡼ࠺࡜ࡍࡿሙྜࠊ
ࡑࡢࢿࢵࢺ࣮࣡ࢡࢆᵓᡂࡍࡿ」ᩘࡢࢫ࢖ࢵࢳࡸ࣮ࣝ
ࢱ࡞࡝ࡢࢿࢵࢺ࣮࣡ࢡᶵჾࡢ⟶⌮⪅ࡀ㐃⤡ࢆྲྀࡾྜ࠸ࠊ㐃ᦠࡋࠊಶู࡟タᐃࢆ⾜࠺ࡇ࡜ࡀᚲせ࡛࠶ࡿࡢᅗ ⛣ືࡉࡏࡓ኱㔞ࡢഛရ

࡟ᑐࡋࠊSDN ࡟࠾࠸࡚ࡣࠊࢥࣥࢺ࣮ࣟࣝࣉ࣮ࣞࣥ࡟
ࣉࣟࢪ࢙ࢡࢺ࣮࣒ࣝࡢ⛣タ᏶஢ᚋࡣࠊࣉࣟࢪ࢙ࢡ

࠾࠸࡚୰ኸ㞟ᶒⓗ࡟タᐃࢆ⾜࠺ࡇ࡜࡟ࡼࡾࠊࢿࢵࢺ

ࢺᶵᮦࡢ⟶⌮ᴗົࢆ⥅⥆ࡋ࡚࠸ࡿࠋ࢔ࣝࣂ࢖ࢺࡢᨭ

࣮࣡ࢡୖࢆὶࢀࡿࣇ࣮ࣟࢆไᚚࡍࡿࡇ࡜ࡀྍ⬟࡜࡞᥼ࢆཷࡅࡽࢀࡿࡼ࠺࡟࡞ࡾࠊᶵᮦࡢ㐺ษ࡞⛣⟶ࡸࠊࡿࠋ㈚ࡋฟࡋయไࡢᵓ⠏ࢆ⾜ࡗࡓࠋ኱ᆺࡢᶵᮦࡢ⛣⟶ࡣࡇࡢ᪂ࡋ࠸ࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟ࢸࢡࢳࣕᴫᛕࢆᐇ

࠶ࡿ⛬ᗘࡢ࡜ࡇࢁࡲ࡛㐍ࢇ࡛࠾ࡾࠊᑠᆺࡢᶵᮦࡸࢯ

⌧ࡍࡿᢏ⾡࡜ࡋ࡚ࠊ⌧ᅾᶆ‽໬సᴗࡀ㐍ࡵࡽࢀ࡚࠸

ࣇࢺ࢙࢘࢔ࡢ⛣⟶ࢆ㐍ࡵ࡚࠸ࡿࠋ

ࡿ OpenFlow ࡬ ࡢ ᮇ ᚅ ࡀ ᛴ ㏿ ࡟ 㧗 ࡲ ࡗ ࡚ ࠸ ࡿ ࠋࣉࣟࢪ࢙ࢡࢺ࡟ࡼࡗ࡚タ⨨ࡉࢀࡓ᧜ᙳࢫࢱࢪ࢜ࡶ

OpenFlow ࢿࢵࢺ࣮࣡ࢡ࡛ࡣࠊ๓㏙ࡢ SDN ࡟ᇶ࡙ࡁࠊ

Ꮡᅾࡍࡿࡀࠊ࣓ࣥࢸࢼࣥࢫࡢᨭ᥼ࡶ⾜ࡗ࡚࠸ࡿࠋࡇ

ࢹ࣮ࢱࣉ࣮ࣞࣥ࡜ࡋ࡚ࢿࢵࢺ࣮࣡ࢡෆࡢࢹ࣮ࢱ㌿㏦ࢀ࡟ࡼࡾࠊ⌧ᅾ࡛ࡶ౑⏝ྍ⬟࡞≧ែࢆ⥔ᣢࡋ࡚࠸ࡿࠋ

ࢆ⾜࠺ OpenFlow ࢫ࢖ࢵࢳ࡜ࠊࢥࣥࢺ࣮ࣟࣝࣉ࣮ࣞ

2.4.3 ᩍᮦࡢ㛤Ⓨࡸ㛤Ⓨᨭ᥼ࣥ࡜ࡋ࡚ྛ OpenFlow ࢫ࢖ࢵࢳࢆ୍ඖⓗ࡟⟶⌮ࠊไ᪂ࡋ࠸ࣉࣟࢪ࢙ࢡࢺ࣮࣒ࣝࡣࠊ᏶஢ࡋࡓࣉࣟࢪ࢙

ᚚࡍࡿ OpenFlow ࢥࣥࢺ࣮ࣟࣛ࠿ࡽᵓᡂࡉࢀࡿࠋ࡜

ࢡࢺࡢ⭾኱࡞ᶵᮦ࡜ࠊᡂᯝࡢࢹ࣮ࢱࢆಖ⟶ࡍࡿࡓࡵࡾࢃࡅࠊ㏆ᖺ࡛ࡣࠊࡇࡢ OpenFlow ࢥࣥࢺ࣮ࣟࣛࢆ

࡟౑⏝ࡉࢀ࡚࠸ࡿࡀࠊࡑࢀࡔࡅ࡛࡞ࡃࠊ᝟ሗࢩࢫࢸ

ࢯࣇࢺ࢙࢘࢔ࣉࣟࢢ࣒ࣛ࡜ࡋ࡚㛤Ⓨࡍࡿࡓࡵࡢࣇ

࣒ࡸ࣓ࢹ࢕࢔ࢆ౑⏝ࡋࡓᩍᮦࡢ㛤Ⓨᨭ᥼ᴗົࢆ⾜ࡗ࣮࣒࣮ࣞ࣡ࢡ࡜ࡋ࡚ࠊTremaࠊPOXࠊFloodlight ࡞࡝࡚࠸ࡿࠋ௒ᖺᗘࡣࠊ㧗ᗘ㓄ಙࣉࣟࢪ࢙ࢡࢺࡢ⤂௓ࣅࡀᩚഛࡉࢀࡘࡘ࠶ࡾࠊࡲࡓ JGN-X ࡢ RISE (Research― 83 ―

Infrastructure for large-Scale network Experiments)࡞࡝

࡛ࡣࠊ᪤Ꮡࡢィ⟬⛉Ꮫ࢔ࣉࣜࢣ࣮ࢩࣙࣥࢆಟṇࡍࡿࡢ OpenFlow ࢸࢫࢺ࣋ࢵࢻࡀ฼⏝ྍ⬟࡜࡞ࡾࡘࡘ࠶

ࡇ࡜࡞ࡃࠊ」ᩘࡢࢧ࢖ࢺ࡟ࡲࡓࡀࡿィ⟬㈨※ࢆ᭷ຠࡿࠋࡇࡢࡼ࠺࡞⫼ᬒ࠿ࡽࠊ௒᪥࡛ࡣ OpenFlow ࡢ᭷࡟ά⏝ྍ⬟࡛࠶ࡿࡓࡵࠊ኱ࡁࡃᮇᚅࡀ㧗ࡲࡗ࡚࠸ࡿࠋ

⏝ᛶࠊ᭷ຠᛶࢆ᳨ドࡍࡿⅭࡢ◊✲ࠊᐇドᐇ㦂ࡀୡ⏺

ࡇࡢࡼ࠺࡟ィ⟬㈨※๭ࡾᙜ࡚ࢆືⓗ࡟ࢯࣇࢺ࢙࢘
࢔࡛ไᚚࡍࡿᢏ⾡࡟㛵ࡋ࡚ࡣᡂ⇍ࡋࡘࡘ࠶ࡿ୍᪉࡛ࠊ

ྛᅜ࡛ࡲࡍࡲࡍάⓎ໬ࡍࡿഴྥ࡟࠶ࡿࠋ
ࡑࡢ୍᪉ࠊOpenFlow ࢥࣥࢺ࣮ࣟࣛ㛤Ⓨ࡛ࡣࠊࣉࣟ

ࢿࢵࢺ࣮࣡ࢡࡢไᚚᢏ⾡ࡣᮍ☜❧࡞⌧≧ࡀ࠶ࡿࠋ」ࢢ࣑ࣛࣥࢢ㛤Ⓨ᫬࡟ࠊ(1)๓ᥦ࡜࡞ࡿ OpenFlow ࢿࢵᩘᣐⅬࡢィ⟬㈨※࠿ࡽ࡞ࡿ࣐ࣝࢳࢧ࢖ࢺ௬᝿ࢡࣛࢫ

ࢺ࣮࣡ࢡࡢ≀⌮ⓗ࡞ᵓᡂ㸦ࢺ࣏ࣟࢪ㸧ࠊ࠾ࡼࡧࠊࣉࣟ

ࢱࢆᵓᡂࡍࡿୖ࡛ࠊᣐⅬ㛫࡟࠾ࡅࡿ௬᝿ࢿࢵࢺ࣮࣡

ࢢ࣑ࣛࣥࢢࡢ⤖ᯝ⏕ࡌࡿࠊ(2)ࢿࢵࢺ࣮࣡ࢡࣇ࣮ࣟࡢ

ࢡࡢ☜❧ࡣࠊࡑࡢ௬᝿ࢡࣛࢫࢱࡢᛶ⬟ࡸᛂ⟅ᛶࢆỴ⤒㊰ࠊ(3) OpenFlow ࢿࢵࢺ࣮࣡ࢡࡢྛࣜࣥࢡࡢࢺࣛ

ᐃ࡙ࡅࡿ㔜せ࡞せ⣲ࡢ୍ࡘ࡛࠶ࡿࠋࡋࡓࡀࡗ࡚ࠊ࣐

ࣇ࢕ࢵࢡ㔞࡞࡝ࡢ᝟ሗࡢᢕᥱࡀ㠀ᖖ࡟㞴ࡋࡃࠊ㛤Ⓨࣝࢳࢧ࢖ࢺ௬᝿ࢡࣛࢫࢱࢆᐇ⏝ⓗ࡟ά⏝ྍ⬟࡜ࡍࡿຠ⋡ࢆపୗࡉࡏࡿせᅉ࡜࡞ࡗ࡚࠸ࡿࡇ࡜ࡀࢃ࠿ࡗ࡚

ࡓࡵ࡟ࡣࠊᗈᇦ⎔ቃୗ࡟࠾ࡅࡿࢿࢵࢺ࣮࣡ࢡไᚚᢏ

࠸ࡿࠋࡲࡓࠊࢹࣂࢢసᴗ᫬࡟ࡣࠊOpenFlow ࢿࢵࢺ࣮࣡

⾡ࡢ㛤Ⓨࡀ୙ྍḞ࡛࠶ࡿࠋࢡࢆὶࢀࡿࣇ࣮ࣟࢆไᚚࡍࡿࣉࣟࢢ࣒ࣛࢆ㛤Ⓨࡍࡿᮏ◊✲࡛ࡣࠊࡇࡢࡼ࠺࡞ၥ㢟࡟╔┠ࡋࠊOpenFlow

ࡓࡵ࡟ࠊヨ⾜㘒ㄗⓗ࡟ࣉࣟࢢ࣑ࣛࣥࢢࡋࠊࡑࡢ㒔ᗘࢆ⏝࠸ࡓᗈᇦ௬᝿ࢿࢵࢺ࣮࣡ࢡࡢᵓ⠏࡜ࠊࡑࡢࢿࢵ

㛤Ⓨࡋࡓࢥࣥࢺ࣮ࣟࣛࢆ෌㉳ືࡍࡿᚲせࡶ࠶ࡿࠋࢺ࣮࣡ࢡୖ࡟࠾ࡅࡿ࣐ࣝࢳࢧ࢖ࢺ௬᝿ࢡࣛࢫࢱᵓ⠏ᮏ◊✲࡛ࡣࠊࡇࡢࡼ࠺࡞ၥ㢟࡟╔║ࡋࠊOpenFlow
ࢿࢵࢺ࣮࣡ࢡࡢࢺ࣏ࣟࢪࡸࡑࡢࢿࢵࢺ࣮࣡ࢡࢆὶࢀ

ࢆ┠ⓗ࡜ࡋ࡚ࠊᅜෆእࡢ◊✲ᶵ㛵࡜㐃ᦠࡋᐇドᐇ㦂ࢆᐇ᪋ࡋࡓࠋ

ࡿࣇ࣮ࣟ࡟㛵ࡍࡿ᝟ሗࡢᢕᥱࢆᐜ᫆࡟ࡍࡿ࡜࡜ࡶ࡟ࠊ
OpenFlow ࢥࣥࢺ࣮ࣟࣛࢆᵓᡂࡍࡿࣉࣟࢢ࣒ࣛࢆኚ

3.2 QoS ࢆ⪃៖ࡋࡓࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟ࢸࢡࢳࣕ

᭦ࡍࡿࡇ࡜࡞ࡃヨ⾜㘒ㄗⓗ࡞ࣇ࣮ࣟไᚚࢆྍ⬟࡟ࡍ㏆ᖺࡢࢿࢵࢺ࣮࣡ࢡᢏ⾡ࡢ㐍ᒎࡣⴭࡋࡃࠊ㧗㏿࡞ࡿࢯࣇࢺ࢙࢘࢔ࡢ㛤Ⓨࢆ┠ⓗ࡜ࡋࡓ◊✲㛤Ⓨࢆᐇ᪋ࢿࢵࢺ࣮࣡ࢡࡀ฼⏝࡛ࡁࡿࡼ࠺࡟࡞ࡗࡓࡓࡵࠊୡ⏺

ࡋࡓࠋつᶍࡢࢢࣜࢵࢻࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢ⎔ቃࡸࢢࣜࢵࢻ

3.1.2 ᗈᇦ௬᝿ࢡࣛࢫࢱᇶ┙ᢏ⾡㛤Ⓨ࡜ᛂ⏝⎔ቃࢆ฼⏝ࡋࡓ e-Science ⎔ቃࡀᵓ⠏ࡉࢀࡘࡘ࠶ࡿࠋ

௬᝿ィ⟬ᶵ(VM)ᢏ⾡ࡢⓎ㐩࡟ࡼࡾࠊィ⟬㈨※ࡢ㓄ୡ⏺つᶍ࡛ e-Science ⎔ቃࢆᵓ⠏ࡍࡿࡓࡵ࡟ࡣࠊ኱

ഛࡣࢯࣇࢺ࢙࢘࢔࡟ࡼࡗ࡚ືⓗ࡟ไᚚྍ⬟࡜࡞ࡾࠊつᶍ࡞ࢹ࣮ࢱࢆຠ⋡ࡼࡃ㌿㏦ࡋඹ᭷ࡍࡿ QoS ไᚚᢏィ⟬㈨※ࡢඹ᭷࣭฼⏝ຠ⋡ࢆ㧗ࡵࠊ⡿ᅜ Amazon ♫⾡ࡸࢺࣛࣇ࢕ࢵࢡไᚚᢏ⾡ࡀ㔜せ࡜࡞ࡿࠋ࡟࠾ࡅࡿ Amazon EC2 ࡟௦⾲ࡉࢀࡿࡼ࠺࡞ࢫࢣ࣮ࣛ

୍᪉ࠊࣅࢹ࢜఍㆟ࡸ㟁ヰ(VoIP)࡞࡝ࠊࣜ࢔ࣝࢱ࢖ࣈ࡛ࣝᰂ㌾࡞௬᝿ィ⟬ᶵࢆᥦ౪ࡍࡿࢡࣛ࢘ࢻࢧ࣮ࣅ

࣒ᛶࡸ㏻ಙᖏᇦ࡟ᑐࡍࡿせồࡢཝࡋ࠸࢔ࣉࣜࢣ࣮

ࢫࢆᐇ⌧ྍ⬟࡜ࡋ࡚࠸ࡿࠋィ⟬⛉Ꮫศ㔝࡟࠾࠸࡚ࡶࠊ

ࢩࣙࣥࡀቑຍ࣭ᬑཬࡍࡿ࡟ࡘࢀࠊ࣋ࢫࢺ࢚ࣇ࢛࣮ࢺ኱つᶍ࡞ࢹ࣮ࢱゎᯒࡸࢩ࣑࣮ࣗࣞࢩࣙࣥࢆᐇ⾜ࡍࡿᆺࢆ๓ᥦ࡟Ⓨᒎࡋ࡚ࡁࡓ࢖ࣥࢱ࣮ࢿࢵࢺ࡟࠾࠸࡚ࡶࠊ

ᇶ┙⎔ቃࢆᰂ㌾࡟ᵓ⠏࡛ࡁࡿᢏ⾡࡜ࡋ࡚ࠊືⓗ࡟㓄ከᵝ࡞㏻ಙရ㉁(QoS)せồ࡬ࡢᑐᛂࡀ㔜せ࡞ㄢ㢟࡜ഛࡋࡓ௬᝿ィ⟬ᶵࢆ」ᩘྎ㞟⣙ࡋ࡚௬᝿ⓗ࡞ࢡࣛࢫ࡞ࡗ࡚ࡁ࡚࠸ࡿࠋ

ࢱࢆᵓ⠏ࡍࡿᢏ⾡ࡀὀ┠ࢆ㞟ࡵ࡚࠸ࡿࠋࡉࡽ࡟ࠊ௒

ᮏ◊✲㒊㛛࡛ࡣࠊ኱つᶍィ⟬⎔ቃࡸከᵝ࡞せồရ᪥࡛ࡣࠊᆅ⌮ⓗ࡟ศᩓࡍࡿ」ᩘࡢ◊✲ᶵ㛵ࡸ኱Ꮫࠊ㉁ࡸಙ㢗ᛶせ௳࡞࡝࡟ᑐᛂࡋࡓࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟

ࢹ࣮ࢱࢭࣥࢱࡢಖ᭷ࡍࡿィ⟬㈨※ୖ࡟ࠊືⓗ࡟௬᝿ࢸࢡࢳࣕࠊ࠾ࡼࡧࠊࡑࡢຠ⋡ⓗࠊຠᯝⓗ࡞ࢿࢵࢺ࣮࣡

ィ⟬ᶵࢆ㓄ഛࡋࠊ௬᝿ࢿࢵࢺ࣮࣡ࢡᢏ⾡➼࡟ࡼࡾ㞟ࢡ⟶⌮࣭ไᚚᡭἲ࡟㛵ࡍࡿ◊✲ࢆ㐍ࡵ࡚࠸ࡿࠋᮏᖺ

⣙ࡍࡿࡇ࡜࡟ࡼࡗ࡚ࠊ」ᩘᣐⅬ㛫࡟ࡲࡓࡀࡿ࣐ࣝࢳ

ᗘࡢ୺࡞◊✲ㄢ㢟ࡣ௨ୗࡢ࡜࠾ࡾ࡛࠶ࡿࠋ

ࢧ࢖ࢺ௬᝿ࢡࣛࢫࢱࢆᵓ⠏ࡍࡿᢏ⾡࡟㛵ࡍࡿ◊✲㛤

1. 㛗㊥㞳ᗈᖏᇦࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࣇ࣮ࣟ㛫බⓎࡀ᥎㐍ࡉࢀࡘࡘ࠶ࡿࠋ࣐ࣝࢳࢧ࢖ࢺ௬᝿ࢡࣛࢫࢱ
― 84 ―

ᖹᛶࢆ⪃៖ࡋࡓࢺࣛࣇ࢕ࢵࢡไᚚᡭἲ

2. ࢹ࣮ࢱࢭࣥࢱ࣮ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ Incast ၥ⎔ቃ᝟ሗࢆྲྀᚓࡍࡿࡇ࡜ࢆ┠ᣦࡋ࡚◊✲㛤Ⓨࢆ⾜ࡗ࡚࠸ࡿࠋ㢟ࢆ⪃៖ࡋࡓࢹ࣮ࢱ㌿㏦ᡭἲ
3. ගᅇ⥺஺᥮ࢆ⏝࠸ࡓࢹ࣮ࢱࢭࣥࢱ࣮ࢿࢵࢺ࣮࣡

3.5 ࢧ࢖ࣂ࣮ࣇ࢕ࢪ࢝ࣝࢩࢫࢸ࣒ࡢࡓࡵࡢࢥ࣑ࣗࢽ

ࢡࡢࢹ࣮ࢱ㌿㏦ᡭἲ
4. ↓⥺ࢭࣥࢧࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢹ࣮ࢱ㌿㏦ࡢࢣ࣮ࢩࣙࣥᨭ᥼
ᦠᖏ㟁ヰࠊࢭࣥࢧ࣮ࠊ㏻ಙᶵ⬟ࢆᣢࡘ⤌ࡳ㎸ࡳࢹ⥾ษࢆ⪃៖ࡋࡓඃඛไᚚᡭἲ
5. ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙ㢗ᗘࣂ࢖ࢫ➼ࡢ㧗ᶵ⬟໬࡜ప౯᱁໬࡟࡜ࡶ࡞࠸ࠊᐇୡ⏺
࡟⤌ࡳ㎸ࡲࢀࡓࢭࣥࢧ࣮ࢿࢵࢺ࣮࣡ࢡ➼ࡢ᝟ሗ࡜ࠊ

ࢆ⪃៖ࡋࡓ࣮ࣝࢸ࢕ࣥࢢᡭἲ

ࢧ࢖ࣂ࣮✵㛫ࡢࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢ⬟ຊ࡜ࢆ⤖ࡧࡘ
3.3 ࣇ࢛ࢺࢽࢵࢡࢿࢵࢺ࣮࣡ࢡ࡟㛵ࡍࡿ◊✲ࡅ࡚㧗ᗘ࡞ࢧ࣮ࣅࢫࢆᐇ⌧ࡍࡿࠊ࠸ࢃࡺࡿࢧ࢖ࣂ࣮

㏆ᖺࡢගఏ㏦ᢏ⾡ࡢⓎᒎ࡟ࡣ┠ぬࡋ࠸ࡶࡢࡀ࠶ࡾࠊ

ࣇ࢕ࢪ࢝ࣝࢩࢫࢸ࣒࡟ᑐࡍࡿᮇᚅࡀ㧗ࡲࡗ࡚࠸ࡿࠋ

WDM㸦Ἴ㛗ศ๭ከ㔜㸧ᢏ⾡࡟ࡼࡗ࡚ࢿࢵࢺ࣮࣡ࢡ

⌧ᅾࠊᗈᇦࡢ⛣ືࢹ࢕ࢪࢱࣝ㏻ಙ⥙ࡀ࢖ࣥࣇࣛ࡜

ࡢᅇ⥺ᐜ㔞ࡣ⇿Ⓨⓗ࡟ቑ኱ࡋ࡚ࡁࡓࠋࡋ࠿ࡋࠊගఏ

ࡋ࡚☜❧ࡉࢀࡘࡘ࠶ࡿࡀࠊ㏻ಙࢥࢫࢺࡸᾘ㈝㟁ຊ➼㏦ᢏ⾡࡜ࢿࢵࢺ࣮࣡࢟ࣥࢢᢏ⾡ࡣ࠾ࡢ࠾ࡢูಶࡢṔࡢไ⣙࡟ࡼࡾ᝿ᐃ࡛ࡁ࡞࠸ሙྜࡀ࠶ࡿࠋࡲࡓࠊ㟈⅏ྐࢆᣢࡕࠊ࢖ࣥࢱ࣮ࢿࢵࢺ࡟㐺ࡋࡓග㏻ಙᢏ⾡ࡢ㐺࡞࡝࡛࢖ࣥࣇࣛࡀ◚ቯࡉࢀࡓሙྜࡸࠊ㟁Ἴࡀᒆ࠿࡞

⏝ᙧែ࡟ࡘ࠸࡚ࡣ᫂ࡽ࠿࡟࡞ࡗ࡚࠸࡞࠸ࡢࡀ⌧≧࡛࠸ᆅୗ⾤࡞࡝࡟࠾࠸࡚ࡶࠊ⛣ືࢹ࢕ࢪࢱࣝ㏻ಙ⥙௨࠶ࡿࠋࡑࡇ࡛ࠊග➢ྕศ๭ከ㔜(OCDM)ᢏ⾡ࢆ⏝࠸

እࡢ㏻ಙᡭẁࢆ⪃៖ࡍࡿᚲせࡀ࠶ࡿࠋࡓࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟ࢸࢡࢳࣕࠊ࡞ࡽࡧ࡟ࡼࡾᰂ㌾ࡇ࠺ࡋࡓ≧ἣ࡟࠾࠸࡚ࡶࠊ⛣ືࡍࡿ➃ᮎ㛫࡛ࡢ฿࡞ᖏᇦ๭ࡾᙜ࡚ࢆྍ⬟࡟ࡍࡿග OFDM ᢏ⾡ࢆ⏝࠸㐩ᛶࢆಖࡗࡓࢹ࣮ࢱఏ㏦ࢆྍ⬟࡜ࡍࡿࡓࡵࠊ㏆㊥㞳ࡓ࢚ࣛࢫࢸ࢕ࢵࢡගࢿࢵࢺ࣮࣡ࢡ࡟㛵ࡍࡿ◊✲ㄢ㢟

㏻ಙᶵ⬟ࢆᣢࡘ➃ᮎ㛫࡛ P2P ᆺࡢ࣓ࢵࢭ࣮ࢪ㌿㏦ࢆ࡟ࡘ࠸࡚ྲྀࡾ⤌ࢇ࡛࠸ࡿࠋ௒ᖺᗘ࡟⾜ࡗࡓ◊✲ㄢ㢟⾜࠺⵳✚ᆺ㌿㏦ᢏ⾡ࡀᥦ᱌ࡉࢀ࡚ࡁࡓࠋ⵳✚ᆺ㌿㏦ࡣḟࡢ࡜࠾ࡾ࡛࠶ࡿࠋ

࡛ࡣࠊ➃ᮎࡣఏᦙࡍ࡭ࡁ࣓ࢵࢭ࣮ࢪࢆࣂࢵࣇ࢓࡟⵳

1. ග CDM ࢆ⏝࠸ࡓࣁ࢖ࣈࣜࢵࢻࢿࢵࢺ࣮࣡ࢡᵓ

✚ࡋࠊ௚➃ᮎ࡜㏻ಙྍ⬟࡟࡞ࡗࡓ᫬Ⅼ࡛ࠊ࣓ࢵࢭ࣮
ࢪࢆఏᦙࡍࡿࠋ⵳✚ᆺ㌿㏦࡟ᇶ࡙࠸ࡓࢹ࣮ࢱఏ㏦ࢆᡂᡭἲ
2. ග CDM ࢆ⏝࠸ࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺ

⾜࡞࠺ࢿࢵࢺ࣮࣡ࢡࡣ㐜ᘏ⪏ᛶࢿࢵࢺ࣮࣡ࢡ(DTN :Delay/Disruption Tolerant Network)࡜࿧ࡤࢀ࡚࠸ࡿࠋ

࣮࣡ࢡࡢᵓᡂ࠾ࡼࡧ㏻ಙᡭἲ
3. ࢚ࣛࢫࢸ࢕ࢵࢡගࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ᪂ࡓ࡞RMLSA ࢔ࣝࢦࣜࢬ࣒ࡢᥦ᱌

DTN ࡛ࡣࠊ඲࡚ࡢ➃ᮎࡀ࠶ࡿ᫬Ⅼ࡛᥋⥆ࡋ࡚࠸࡞ࡃ
࡚ࡶࠊᚋ࠿ࡽ᥋⥆ࡋࡓ➃ᮎ࡬࣓ࢵࢭ࣮ࢪࢆ㌿㏦࡛ࡁࠊࣜ࢔ࣝࢱ࢖࣒ᛶࡀኻࢃࢀࡿ࠿ࢃࡾ࡟㧗࠸࣓ࢵࢭ࣮ࢪ

3.4 ࢡࣛ࢘ࢻά⏝ᆺࣟ࣎ࢵࢺࡢࡓࡵࡢࢿࢵࢺ࣮࣡ࢡ

฿㐩⋡ࢆ⥔ᣢ࡛ࡁࡿࠋ

ᵓᡂᢏ⾡࡟㛵ࡍࡿ◊✲ᮏ◊✲࡛ࡣࠊࢫ࣐࣮ࢺࣇ࢛ࣥࡸᑠᆺࢹࣂ࢖ࢫ࡞࡝ࠊᡃࠎࡣࠊCyber Physical System(CPS)◊✲ࡢ୍⎔࡜฼⏝ୖ࣭ᐇ⿦ୖࡢไ⣙ࡀ࠶ࡿ⎔ቃࢆ⪃៖ࡋࡓ DTN

ࡋ࡚ࠊࢡࣛ࢘ࢻά⏝ᆺࣟ࣎ࢵࢺ࡟╔┠ࡋࠊࡑࡢࢿࢵ

ࡢᐇ⌧ἲࠊDTN ࢆ⏝࠸ࡓࢯ࣮ࢩࣕࣝࢥ࣑ࣗࢽࢣ࣮

ࢺ࣮࣡ࢡᵓᡂᢏ⾡࡟ࡘ࠸࡚◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋࡇࢀ

ࢩࣙࣥࢧ࣮ࣅࢫࡢᵓᡂἲ➼ࡢ᳨ウࢆ⾜࡞ࡗ࡚࠸ࡿࠋ

ࡣࠊ㏻ಙ࠿ࡽࡳࡓ CPS ࡛࠶ࡿ IoT (Internet of Things)
ࡀᵝࠎ࡞ேࠊࡶࡢࠊࢭࣥࢧ࣮࡞࡝ࡀ࢖ࣥࢱ࣮ࢿࢵࢺ

3.6 㞳ᩓ࢖࣋ࣥࢺᆺࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓࢺࣛ࡟᥋⥆ࡉࢀࡓୡ⏺ࢆ┠ᣦࡋ࡚࠸ࡿࡢ࡟ᑐࡋ࡚ࠊࡉࡽ

ࣇ࢕ࢵࢡ࢚ࣥࢪࢽ࢔ࣜࣥࢢ

࡟ࡑࡢ୰࡟ࠊ⮬ࡽࢭࣥࢧ࣮᝟ሗࢆ⏕࠿ࡋ࡚⾜ືࡍࡿ኱つᶍ⅏ᐖⓎ⏕᫬࡟࠾࠸࡚ࡣ㏻ಙࢣ࣮ࣈࣝࡸ㏻ಙ

ࣟ࣎ࢵࢺࢆྲྀࡾ㎸ࡶ࠺࡜࠸࠺ࡡࡽ࠸࡛࠶ࡿࠋᡃࠎࡣࠊ

ᶵჾࡢ႙ኻ࡟ࡼࡾࣂࢵࢡ࣮࣎ࣥࢿࢵࢺ࣮࣡ࢡࡢࢺ࣏

ࢹ࣮ࢱࢭࣥࢱ࣮ෆࢆ⮬㉮ࡋ࡞ࡀࡽࠊ┘ど࡜ࣟࢪࡀኚ໬ࡍࡿࠋ࣐ࣝࢳ࣮࣒࣍⎔ቃ࡟࠾࠸࡚ࡣࠊࡇ

ᗘ࡞࡝― 85 ―ࢆࡶࡀ㔜せどࡉࢀࡘࡘ࠶ࡿࠋᮏ◊✲࡛ࡣࠊᵝࠎ࡞ࢧ࣮ࣅ

࡜࡟࣮ࣘࢨഃ࡛ࢺࣛࣇ࢕ࢵࢡ࢚ࣥࢪࢽ࢔ࣜࣥࢢࢆ⾜ࢫࡢᇶ┙࡜࡞ࡿࢫࢺ࣮ࣞࢪࢩࢫࢸ࣒ࠊ≉࡟ࠊ⛉Ꮫ◊࠺ࡇ࡜ࡀồࡵࡽࢀࡿࠋᐃᖖⓗ࡟ᣐⅬ㛫࡛⾜ࢃࢀࡿィ✲࡟࠾ࡅࡿᐇ㦂ࢹ࣮ࢱࡸ஦ົฎ⌮࡟࠾ࡅࡿࢺࣛࣥࢨ

࠿ࡽᚓࡽࢀࡿ⤫ィ᝟ሗࢆࡶ࡜࡟ࠊ㞳ᩓ࢖࣋ࣥࢺᆺ

ࢡࢩࣙࣥࣟࢢ࡞࡝ࡢࢹ࣮ࢱࢆ⵳✚ಖ⟶ࡍࡿࢱ࢖ࣉࡢ

ࢩ࣑࣮ࣗࣞࢱࢆ⏝࠸࡚ࠊࢺࣛࣇ࢕ࢵࢡࢆ๭ࡾᙜ࡚ࡿ

ࢫࢺ࣮ࣞࢪ㸦࢔࣮࢝࢖ࣂࣝࢫࢺ࣮ࣞࢪ㸧࡟╔┠ࡋࠊ⤒㊰ࢆỴᐃࡍࡿ࢔ࣝࢦࣜࢬ࣒ࢆ⪃᱌ࡋࡓࠋࡑࡢᐇ⌧᪉ἲ࡟㛵ࡍࡿᵝࠎ࡞◊✲ࢆ⾜࡞ࡗ࡚࠸ࡿࠋ

ࡢኚ໬࡟ᑐࡋ࡚ᣐⅬ㛫ࡢࢿࢵࢺ࣮࣡ࢡရ㉁ィ

ᮏ◊✲ࢸ࣮࣐ࡣ୺࡟஧ࡘࡢ◊✲ㄢ㢟࠿ࡽᵓᡂࡉࢀࡿࠋ
3.7 ࢡࣛ࢘ࢻࢆ⏝࠸ࡓࢿࢵࢺ࣮࣡ࢡࢥࣥࣆ࣮ࣗࢸ࢕

୍ࡘࡣࢫࢺ࣮ࣞࢪࢩࢫࢸ࣒ࡢ」〇ࢹ࣮ࢱࡢ㓄⨨ᡓ␎ࣥࢢࡢ◊✲㛤Ⓨ࡟㛵ࡍࡿ◊✲ㄢ㢟ࠊࡶ࠺୍ࡘࡣ」〇ࢹ࣮ࢱࡢຠ⋡ⓗࢡࣛ࢘ࢻࢆ⏝࠸ࡓࢿࢵࢺ࣮࣡ࢡࢥࣥࣆ࣮ࣗࢸ࢕ࣥ

࡞ᣑᩓ࡟㛵ࡍࡿ◊✲ㄢ㢟࡛࠶ࡿࠋ๓⪅ࡢ◊✲ㄢ㢟࡛ࡣࠊ㝈ࡽࢀࡓ㈨※ࢆ᭷ຠ࡟฼⏝ࢢࡢ◊✲㛤Ⓨ࡜ࡋ࡚ḟࡢ◊✲ࢆ⾜ࡗࡓࠋ
1. ᗈᇦศᩓࢫࢺ࣮ࣞࢪࢆ⏝࠸ࡓ Inter Academic
Cloud ࡢᵓ⠏ࡋ࡚࢔࣮࢝࢖ࣂࣝࢫࢺ࣮ࣞࢪࢆᐇ⌧ࡍࡿࡓࡵ࡟ࠊ
ࢹ࣮ࢱࡢ」〇ᩘࠊ」〇ࡉࢀࡓࢹ࣮ࢱࡢศ๭᪉ἲࠊ」2. ᫎീࢯࣇࢺࢆ฼⏝ࡋࡓ኱つᶍ࣓ࢱࢹ࣮ࢱᇶ┙ࡢ〇ࢹ࣮ࢱࡢ㓄⨨ሙᡤ➼ࡢ᳨ウ࡞࡝ࢆ⾜ࡗ࡚࠸ࡿࠋᚋ
⪅ࡢ◊✲ㄢ㢟࡛ࡣࠊ▷᫬㛫࠿ࡘຠ⋡ⓗ࡞」〇ࢹ࣮ࢱᵓ⠏
3. ࢫ࣮ࣔࣝࢫࢱ࣮ࢺ࡟ࡼࡿ௬᝿໬ᇶ┙࣭ࣉࣛ࢖ࡢᣑᩓࢆᐇ⌧ࡍࡿࡓࡵ࡟ࠊࢹ࣮ࢱ㌿㏦ࢫ࣮ࣝࣉࢵࢺ
ࡢண࣮࣋ࢺࢡࣛ࢘ࢻࡢᵓ⠏ᢏ⾡ᡭἲࠊࡑࡢඖ࡜࡞ࡿᛶ⬟ࡢィᡭἲࠊࢹ࣮ࢱ

ᣑᩓࡢࡓࡵࡢ࣮࢜ࣂ࣮ࣞ࢖ࢺ࣏ࣟࢪ࡟㛵ࡍࡿ᳨ウ࡞
3.8 ㉸㛗㊥㞳㛫㧗㏿ࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡿ࣌ࢱࢫࢣ࣮

࡝ࢆ⾜ࡗ࡚࠸ࡿࠋ

࣭ࣝࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢ
ᩘ್ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡞࡝ࡢィ⟬ᶵ㈨※ࢆ᭱኱㝈

3.10 ⏕యศᏊࢩࢫࢸ࣒ࡢ⌮ゎࡢࡓࡵࡢࣔࢹࣜࣥࢢ

࡟ά⏝ࡍࡿᡭἲ࡟ᇶ࡙ࡃᅜ㝿ඹྠ⛉Ꮫ◊✲࡟࠾࠸࡚࡜ࢩ࣑࣮ࣗࣞࢩࣙࣥࡣࠊ኱つᶍࢩ࣑࣮ࣗࣞࢩࣙࣥࢹ࣮ࢱࡸほ ࢹ࣮ࢱࡀ⣽⬊ෆ࡛ാࡃ㓝⣲ࡸศᏊ࣮ࣔࢱ࣮࡞࡝ࡢศᏊᶵᲔ

◊✲ᣐⅬ㛫ࢆ⦪ᶓ↓ᑾ࡟㣕ࡧ஺࠺ࡇ࡜ࡀ⪃࠼ࡽࢀࡿࡸࠊࡑࡢ㞟ྜయ࡜ࡋ࡚ࡢ⏕࿨ࢩࢫࢸ࣒ࡢືసཎ⌮࡟ࡓࡵࠊᗈᇦⓗࢹ࣮ࢱඹ᭷࡞࠸ࡋ㉸㛗㊥㞳㛫኱つᶍ㏕ࡿ࡭ࡃࠊᩘ⌮ࣔࢹࣝ໬࡜ࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ㏻ࡌ

ࢹ࣮ࢱ㌿㏦ࡀồࡵࡽࢀࡿࠋ

ࡓ⌮ㄽⓗ⪃ᐹ࡟ྲྀࡾ⤌ࢇ࡛࠸ࡿࠋ≉࡟ࠊศᏊᶵᲔࡀ

ᮏ◊✲࡛ࡣࠊᡓ␎ⓗᅜ㝿⛉Ꮫᢏ⾡༠ຊ᥎㐍஦ᴗࠕୖ኱ࡁ࡞⇕ࡺࡽࡂ࡟ࡉࡽࡉࢀ࡞ࡀࡽ㡹೺࡞ືసࢆᐇ⌧Ẽ㐨Ẽὶゎᯒ࡬ࡢ࣮࢟ࢸࢡࣀࣟࢪ࣮㸸㉸㛗㊥㞳㛫㧗ࡍࡿ࣓࢝ࢽࢬ࣒ࢆࠊຊᏛⓗ࣭ศᏊᵓ㐀ⓗどⅬ࠿ࡽ᫂㏿ࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡿ࣌ࢱࢫࢣ࣮࣭ࣝࢥࣥࣆ࣮ࣗ

ࡽ࠿࡟ࡍࡿࡇ࡜ࢆ┠ᣦࡋ࡚࠸ࡿࠋ⌧ᅾࠊලయⓗ࡞ᑐࢸ࢕ࣥࢢࠖࡢ୍⎔࡜ࡋ࡚ࠊࢸࢫࢺ࣋ࢵࢻࢿࢵࢺ࣮࣡

㇟࡜ࡋ࡚ࠊ➽཰⦰ࡸ⣽⬊ෆࡢ㍺㏦ࢆᢸ࠺ศᏊ࣮ࣔ

ࢡࡢᵓ⠏࡜ࢿࢵࢺ࣮࣡ࢡࣔࢽࢱࣜࣥࢢࢩࢫࢸ࣒ࡢᑟ

ࢱ࣮࡛࠶ࡿ࣑࢜ࢩࣥศᏊࡸࠊࣇ࢕࣓ࣛࣥࢺ≧࡟㔜ྜධࢆ⾜࠺ࠋࡋ➽⫗࣭⣽⬊㦵᱁ࡢᵓᡂせ⣲࡜࡞ࡿ࢔ࢡࢳࣥศᏊࢆ
ྲྀࡾୖࡆࠊࡑࡢືసࡸᵓ㐀ኚ໬ࡢ࣓࢝ࢽࢬ࣒ࢆ᫂ࡽ

3.9 ᗈᇦศᩓ࢔࣮࢝࢖ࣂࣝࢫࢺ࣮ࣞࢪࢩࢫࢸ࣒࡟㛵࠿࡟ࡍࡿヨࡳࢆࠊᐇ㦂◊✲⪅࡜ࡶ㐃ᦠࡋࡘࡘ㐍ࡵ࡚ࡍࡿ◊✲࠸ࡿ㸦⏕࿨ᶵ⬟◊✲⛉ ᰗ⏣◊✲ᐊࠊ࣐ࢵࢡࢫ࣭ࣉࣛ

࢖ࣥࢱ࣮ࢿࢵࢺࡀ㔜せ࡞♫఍࢖ࣥࣇࣛࡢ୍ࡘ࡟࡞

ࣥࢡ༠఍ࣇࣜࢵࢶ࣭ࣁ࣮ࣂ࣮◊✲ᡤ Alexander S.

ࡾࡘࡘ࠶ࡿ᫖௒ࠊ࢖ࣥࢱ࣮ࢿࢵࢺୖ࡛ᥦ౪ࡉࢀࡿྛ

Mikhailov Ặࡽ࡜ࡢඹྠ◊✲㸧ࠋ✀ࢧ࣮ࣅࢫࡢ㞀ᐖࡣࠊᕧ㢠ࡢᶵ఍ᦆኻ࡞࡝ࡢ㔜኱࡞⤖ᯝࢆ᫬࡟ࡶࡓࡽࡋᚓࡿࠋࡑࡢࡓࡵࠊ㏆ᖺ࡛ࡣࢿࢵ
ࢺ࣮࣡ࢡᨾ㞀➼ࡢཎᅉ࡟ࡼࡿࢧ࣮ࣅࢫ೵Ṇ࡬ࡢᑐ⟇― 86 ―

3.11 ၥ㢟㞟ࡢࡓࡵࡢ⥲ྜⓗ࡞ e ࣮ࣛࢽࣥࢢࢩࢫࢸ

࣒ࡢㄢ㢟ࡢ୰࡛≉࡟኱つᶍ࣮ࣘࢨࡢ฼⏝࡟⪏࠼ࡽࢀ࣒ࡿࢩࢫࢸ࣒࡜ࡍࡿࡓࡵࠊ᪤Ꮡࡢ኱つᶍศᩓฎ⌮ᢏ⾡᝟ሗฎ⌮ᢏ⾡ࡢ㐍ᒎࡸࠊ♫఍࡟࠾ࡅࡿᏛ⩦ࡢຠ⋡ࢆ㐺⏝ࡋ࡚ࠊ኱つᶍ࡞ࣛࣥ࢟ࣥࢢィ⟬ฎ⌮࠾ࡼࡧ኱໬ࡸ㧗ᗘ໬࡬ࡢせồ࡟ࡼࡾࠊe ࣮ࣛࢽࣥࢢࡣࡵࡊࡲ

㔞ࡢ࣮ࣘࢨ࡟ࡼࡿ࣮ࣘࢨ㛫ࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥࡢᐇ

ࡋࡃⓎᒎࡋ⥆ࡅ࡚࠸ࡿࠋᏛ⩦⟶⌮ࢩࢫࢸ࣒㸦LMS㸧⌧ࢆ┠ᣦࡍࠋ

࡟ࡼࡿຠ⋡໬ࠊᩍ⛉᭩ࡢ㟁Ꮚ໬࡞࡝ᵝࠎ࡞᪉ྥᛶࡀ

3.12.2 ࢿࢵࢺ࣮࣡ࢡࡢᐃᖖ≧ែศᯒ࡜␗ᖖ᳨▱࡬࠶ࡿࡀࠊᮏ◊✲࡛ࡣ≉࡟ࠊ᝟ሗฎ⌮ᢏ⾡ࢆά⏝ࡋࡓࡢᛂ⏝ၥ㢟㞟ࡢࢩࢫࢸ࣒ࢆᑐ㇟࡜ࡋ࡚࠸ࡿࠋࡇࢀࡲ࡛ࡢᡂ

㏆ᖺࠊ≉ᐃ⤌⧊ࢆᶆⓗ࡜ࡋࡓᶆⓗᆺᨷᧁࡢ⿕ᐖࡀᯝ࡜ࡋ࡚ࡣࠊከᙬ࡞ၥ㢟㞟ࢆ XML ࢆ⏝࠸࡚⤫୍ⓗከⓎࡋ࡚࠸ࡿࠋᶆⓗᆺᨷᧁࡣ LAN ෆ࡛ឤᰁࢆᣑ኱

࡞ᙧᘧ࡛グ㏙ࡍࡿ oqXML ࡢ㛤Ⓨࡸࠊࡑࢀࢆᐇ⿦ࡋ

ࡍࡿ࡜࠸࠺≉ᚩࢆ᭷ࡋ࡚࠸ࡿࠋࡑࡢࡓࡵࠊࡇࢀࡲ࡛

ࡓ e ࣮ࣛࢽࣥࢢࢯࣇࢺ oq-playerࠊe ࣮ࣛࢽࣥࢢၥ㢟⾜ࢃࢀ࡚ࡁࡓࢥ࢔ࢿࢵࢺ࣮࣡ࢡࡸ࢖ࣥࢱ࣮ࢿࢵࢺ᥋

㞟ࢆᐜ᫆࡟㛤Ⓨࡍࡿࡓࡵࡢ oq-producerࠊ⡆᫆࡞Ꮫ⩦⥆㒊ศࡢ␗ᖖ᳨▱ࡔࡅ࡛࡞ࡃࠊࢥࢫࢺࡣ㧗ࡃ࡞ࡿࡀ⟶⌮ࢆᐇ⌧ࡍࡿ oq-marker ࡢ㛤Ⓨࡀᣲࡆࡽࢀࡿࠋࢩ

LAN ෆ࡛ࡶ␗ᖖ᳨▱ࡶ㔜せ࡟࡞ࡗ࡚ࡃࡿ࡜⪃࠼ࡽࢫࢸ࣒ࡢᶵ⬟ᛶྥୖࠊᏛ⩦ពḧࡸᏛ⩦ຠᯝࡢྥୖࠊ

ࢀࡿࠋࡇࡇ࡛ࠊ␗ᖖ᳨▱ᡭἲ࡛ࡣఱࡽ࠿ࡢ᪉ἲ࡛ṇከᙬ࡞እᅜㄒ࡬ࡢᑐᛂ࡞࡝ࢆ┠ᣦࡋ࡚◊✲ࢆ㐍ࡵ࡚ᖖ᫬ࡢ≧ែࢆᢕᥱࡍࡿᚲせࡀ࠶ࡿࡀࠊLAN ෆࡢࢺࣛ࠸ࡿࠋࣇ࢕ࢵࢡࡣ࢖ࣥࢱ࣮ࢿࢵࢺ᥋⥆㒊ศ࡜␗࡞ࡾࠊ⤌⧊ࡸ฼⏝ᙧែ࡟ࡼࡗ࡚඲ࡃ␗࡞ࡗࡓ≉ᚩࢆ♧ࡍ࡜⪃࠼

3.12 ࢯ࣮ࢩࣕࣝࢧ࣮ࢳࢩࢫࢸ࣒ࠊࢿࢵࢺ࣮࣡ࢡࡢ␗

ࡽࢀࡿࠋᮏ◊✲࡛ࡣࠊࡲࡎࡣᏛෆ LAN ࢆᑐ㇟࡜ࡋ

ᖖ᳨▱ࠊㄆドᇶ┙ࢩࢫࢸ࣒࡟㛵ࡍࡿ◊✲࡚ࠊ༢఩᫬㛫࠶ࡓࡾࡢࣃࢣࢵࢺᩘࡸࣇ࣮ࣟᩘ࡜࠸ࡗ

3.12.1 ࢯ࣮ࢩࣕࣝࢧ࣮ࢳࢩࢫࢸ࣒࡟࠾ࡅࡿࢫࢣ࣮

ࡓࣃ࣓࣮ࣛࢱࡸࡇࢀࡽࡢࣃ࣓࣮ࣛࢱࡢኚື್࡟ὀ┠ࣛࣅࣜࢸ࢕ࡢᐇ⌧ࡋ࡚ㄪᰝࢆ⾜ࡗ࡚࠸ࡿࠋࢿࢵࢺ࣮࣡ࢡࡢᐃᖖ≧ែࢆ㏆ᖺࠊከࡃࡢேࡀ࢖ࣥࢱ࣮ࢿࢵࢺࢆ฼⏝ࡋ࡚ࠊᵝࠎㄪᰝࡍࡿᡭἲ࡟ࡘ࠸࡚ࠊ᪤Ꮡࡢ⤫ィᡭἲࢆ⏝࠸ࡓศ࡞᝟ሗࢆ ࡸࡾྲྀࡾࡋ࡚࠸ࡿࠋࡑࢀ࡟క࠸ࠊ⮬ศࡢ▱ᯒ࡟ࡼࡾࠊᐃᖖⓗ࡞ࢺࣛࣇ࢕ࢵࢡࡢ≉ᚩࡀ࡝ࡢࡼ࠺

ࡾࡓ࠸᝟ሗࢆ᳨⣴ࡍࡿ㝿࡟኱㔞ࡢ Web ࣮࣌ࢪࡀ⾲࡟ᤊ࠼ࡽࢀࡿࡢ࠿࡟ࡘ࠸࡚ࠊㄪᰝࢆ㐍ࡵ࡚࠸ࡿࠋ

♧ࡉࢀࡿࡓࡵࠊ᳨⣴ࡀᅔ㞴࡟࡞ࡗ࡚࠸ࡿࠋWeb ࣮࣌

3.12.3 Web ࣈࣛ࢘ࢨ࢔ࢻ࢜ࣥࢆ⏝࠸ࡓㄆドᇶ┙ࢩࢪࡢ᳨⣴᪉ἲࡣ኱ࡁࡃศࡅ࡚ 2 ✀㢮⪃࠼ࡽࢀࡿࠋ୍

ࢫࢸ࣒ᣑᙇࣇ࣮࣒࣮ࣞ࣡ࢡ

ࡘࡣ㏿ᗘ࡜⥙⨶ᛶࡢⅬ࡛᭷ຠ࡛࠶ࡿ᳨⣴ࢧ࣮ࣅࢫࡢ

Ꮫ⾡ᶵ㛵࡟࠾ࡅࡿ㐠⏝ࢥࢫࢺపῶࡢࡓࡵࠊࢡࣛ࢘

฼⏝ࠊࡶ࠺୍ࡘࡣࠊࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥ࡟ࡼࡾ㉁ࡢ

ࢻࢧ࣮ࣅࢫ࡞࡝ࡢᏛእࣜࢯ࣮ࢫࢆ฼⏝ࡋ࡚ࢩࢫࢸ࣒

㧗࠸᝟ሗࡀᚓࡽࢀࡿⅬ࡛᭷ຠ࡞ SNS ࡢ฼⏝࡛࠶ࡿࠋᵓ⠏ࡍࡿ஦౛ࡀቑຍࡋ࡚࠸ࡿࠋᏛ⾡ e-ࣜࢯ࣮ࢫࡢᥦ

ᡃࠎࡢ◊✲ࢢ࣮ࣝࣉ࡛ࡣࠊࡇࢀࡽ 2 ✀ࡢ᳨⣴᪉ἲࡢ౪ᶵ㛵࠾ࡼࡧ฼⏝ᶵ㛵࠿ࡽ࡞ࡿ㐃ྜయࠕᏛㄆࠖ࡟࠾

཮᪉ࡢ฼Ⅼࢆά⏝ࡍࡿࡓࡵࠊ⌧ᅾ Web ࣮࣌ࢪࢆ㜀ぴ࠸࡚ࠊࡇࢀࡲ࡛࡟ Web ࢩࣥࢢࣝࢧ࢖ࣥ࢖࢜ࣥࢆ⏝ࡋ࡚࠸ࡿ࣮ࣘࢨᩘ࡜㉁࡟ᇶ࡙࠸ࡓࣛࣥ࢟ࣥࢢᶵ⬟ࠊ࠸ࡓᏛ⾡ㄆドࣇ࢙ࢹ࣮ࣞࢩࣙࣥࢆᵓ⠏ࡋ࡚ࡁࡓࠋࢩ

࠾ࡼࡧࠊ㜀ぴ࣮ࣘࢨ࡜ࡢ༶᫬ⓗ࡞ࢥ࣑ࣗࢽࢣ࣮ࢩࣙ

ࣥࢢࣝࢧ࢖ࣥ࢜ࣥ⠊ᅖࡢᣑ኱࡟కࡗ࡚ࠊㄆドࢧ࣮ࣂࣥᶵ⬟ࢆᥦ౪ࡍࡿࢩࢫࢸ࣒ࢆᥦ᱌ࡋ࡚࠸ࡿࠋᥦ᱌ࢩ

࡟࠾ࡅࡿ࣮ࣘࢨㄆド᝟ሗࡢ㔜せᛶࡢቑ኱ࠊከᩘࡢㄆ

ࢫࢸ࣒࡟ࡼࡾࠊ㜀ぴ⪅ࡀ▐᫬࡟ḧࡋ࠸᝟ሗ࡜▱㆑ࢆドࢧ࣮ࣂ࠿ࡽ⮬㌟ࡢㄆドࢧ࣮ࣂࢆ㑅ᢥࡍࡿ࡜࠸ࡗࡓ

㇏ᐩ࡟ᣢࡘ࣮ࣘࢨ࠿ࡽࡢ᝟ሗࢆྠ᫬࡟⋓ᚓࡍࡿࡇ࡜

㧗ᗘ࡞᧯సࡢⓎ⏕࡞࡝ࠊ ㄆドᇶ┙࡟ᑐࡍࡿ᪂ࡓ࡞ㄢ

ࡀ࡛ࡁࡿࠋᥦ᱌ࢩࢫࢸ࣒ࡢࣛࣥ࢟ࣥࢢᶵ⬟࡛ࡣࠊ㢟ࡀ⏕ࡌ࡚࠸ࡿࠋࡇࢀࡽࡢㄢ㢟ࢆゎỴࡍࡿ᪉ἲ࡜ࡋ

PageRank ࢔ࣝࢦࣜࢬ࣒࡟ᇶ࡙ࡁࠊWeb ࣮࣌ࢪࡔࡅ࡛

࡚ࠊࢡࣛ࢖࢔ࣥࢺഃࡢᶵ⬟ࢆᣑᙇࡍࡿ᪉ἲࡀ⪃࠼ࡽ࡞ࡃ㜀ぴ࣮ࣘࢨࡶྵࡵࡓࢿࢵࢺ࣮࣡ࢡࢆ⏝࠸᳨࡚⣴ࢀࡿࠋᮏ◊✲࡛ࡣ Web ࣈࣛ࢘ࢨᣑᙇᶵ⬟ࢆ⏝࠸࡚ࠊ⤖ᯝࢆࣜࣛࣥ࢟ࣥࢢࡍࡿࠋᮏ◊✲࡛ࡣࠊᥦ᱌ࢩࢫࢸ
― 87 ―

ࡇࢀࡽࡢㄢ㢟ࢆゎỴࡍࡿࡓࡵࡢࣇ࣮࣒࣮ࣞ࣡ࢡࡢᵓ
⠏ࢆ┠ᣦࡍࠋ
3.13 ་⒪᝟ሗ࠾ࡼࡧࢭ࢟ࣗࣜࢸ࢕࡟㛵ࡍࡿ◊✲ḟࡢࢸ࣮࣐࡛ࠊᅜ❧᝟ሗ㢠◊✲ᡤ࡜ࡢඹྠ◊✲ࢆ⾜ࡗࡓࠋ
1. DNS ࢺࣛࣇ࢕ࢵࢡ࠾ࡼࡧ DNS ࣟࢢࡢྲྀࡾᢅ࠸
࡟㛵ࡍࡿἲⓗ᳨ウ
2. ᨻ⟇ホ౯⌮ㄽࡢ୍ᥦ᱌
3.14 ๰⸆࡟࠾ࡅࡿ IT ࢆ⏝࠸ࡓྜ⌮ⓗ་⸆ရ๰〇࡟㛵ࡍࡿ◊✲ᅗ2SHQ)ORZ ࢿࢵࢺ࣮࣡ࢡྍど໬ࢯࣇࢺ࢙࢘࢔ࡢ඲యᴫせ㏆ᖺࠊ๰⸆ࡢ᪉ἲ࡜ࡋ࡚ᚑ᮶ࡢ་໬Ꮫࡔࡅ࡛ࡣ࡞
ࡃࠊIT ᢏ⾡ࢆ฼⏝ࡋ࡚⑓Ẽࡢཎᅉ࡜࡞ࡿศᏊ㸦⺮ⓑ㉁㸧ࡢ❧యᵓ㐀ࢆணࡋ࡚ࠊࡑࡢ⺮ⓑ㉁ࡢാࡁࢆ㜼ᐖࡍࡿ་⸆᪉ಖရ㸦໬ྜ≀㸧ࢆணࡍࡿ᪉ἲࡀ⏝࠸ࡽࢀ࡚࠸ࡿࠋᅗ ࡣࠊᮏᖺᗘࣉࣟࢺࢱ࢖ࣉᐇ⿦ࢆ⾜ࡗࡓࣇ࣮ࣟ
ไᚚ࢖ࣥࢱࣇ࢙࣮ࢫ௜ࡁ OpenFlow ࢿࢵࢺ࣮࣡ࢡྍ
ど໬ࢯࣇࢺ࢙࢘࢔ࢆ♧ࡋࡓࡶࡢ࡛࠶ࡿࠋᮏࢯࣇࢺ
࢙࢘࢔ࡣࠊࢯࣇࢺ࢙࢘࢔ࣉࣟࢢ࣒ࣛ࡜ࡋ࡚ᐇ⿦ࡉࢀ
ࡿ OpenFlow ࢥࣥࢺ࣮ࣟࣛෆࡢࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥ

4 2012 ᖺᗘ◊✲ᴗ⦼ࣔࢪ࣮ࣗࣝࠊOpenFlow ࢫ࢖ࢵࢳࠊ࠾ࡼࡧࠊࢥࣥࢺ࣮ࣟ

4.1 ࢢࣜࢵࢻᇶ┙ᢏ⾡㛤Ⓨ࡜ᛂ⏝ࣛ㛤Ⓨ⪅࡬ྍど໬᝟ሗࢆᥦ౪ࡍࡿྍど໬ࢯࣇࢺ࢙࢘

4.1.1 ࢢࣜࢵࢻᇶ┙ᢏ⾡㛤Ⓨ࡜ᛂ⏝࢔ࡀ㐃ືࡍࡿᵓᡂ࡜࡞ࡗ࡚࠸ࡿࠋࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥ ࣔ ࢪ ࣗ ࣮ ࣝ ࡣ ࠊ LLDP  (Link Layer Discovery
Protocol)࡞࡝ࢆ⏝࠸࡚ࠊOpenFlow ࢫ࢖ࢵࢳ࡜᝟ሗࢆ
஺᥮ࡋࠊࢺ࣏ࣟࢪ᝟ሗ࡞࡝ࢆྲྀᚓࡋࠊྲྀᚓ᝟ሗࢆྍ
ど໬ࢯࣇࢺ࢙࢘࢔࡟㏦௜ࡍࡿࠋྍど໬ࢯࣇࢺ࢙࢘࢔
࡛ࡣࠊࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥࣔࢪ࣮ࣗࣝࡼࡾྲྀᚓࡋࡓ᝟ሗࢆྍど໬ࡋ࡚ᥦ♧ࡍࡿࠋࡲࡓࢥࣥࢺ࣮ࣟࣛ㛤Ⓨ⪅ࡀࠊ㛤Ⓨ୰ࡢࢥࣥࢺ࣮ࣟࣛࡢࢸࢫࢺࡸࢹࣂࢵࢢ┠ⓗ࡛ࠊOpenFlow ࢿࢵࢺ࣮࣡ࢡୖࡢ≉ᐃࡢࣇ࣮ࣟ࡟ᑐ
ࡋ࡚࢔ࢻ࣍ࢵࢡ࡞᧯సࢆྍ⬟࡜ࡍࡿ࢖ࣥࢱࣇ࢙࣮ࢫᅗ ࣇ࣮ࣟไᚚ࢖ࣥࢱࣇ࢙࣮ࢫ௜ࡁ 2SHQ)ORZ ࢿࢵࢆഛ࠼࡚࠸ࡿࠋ
ᮏᖺᗘࡢ◊✲㛤Ⓨ࡛ࡣࠊࣇ࣮ࣟไᚚ࢖ࣥࢱࣇ࢙࣮

ࢺ࣮࣡ࢡྍど໬ࢯࣇࢺ࢙࢘࢔ 㛤Ⓨ୰ࡢࢫࢼࢵࣉ

ࢫ௜ࡁ OpenFlow ࢿࢵࢺ࣮࣡ࢡྍど໬ࢯࣇࢺ࢙࢘࢔

ࢩࣙࢵࢺ 

ࡢタィࢆ⾜࠸ࠊࣉࣟࢺࢱ࢖ࣉᐇ⿦ࢆ᏶஢ࡋࡓࠋ
ᮏᖺᗘࡢ◊✲㛤Ⓨ࡛ࡣࠊᅗ ࡟♧ࡉࢀࡿࣇ࣮ࣟไ

ḟᖺᗘ௨㝆ࡣࠊࣉࣟࢺࢱ࢖ࣉᐇ⿦ࢆ⾜࠸ືస☜ㄆࢆᚚ࢖ࣥࢱࣇ࢙࣮ࢫ௜ࡁ OpenFlow ࢿࢵࢺ࣮࣡ࢡྍど⾜ࡗࡓᙜヱࢯࣇࢺ࢙࢘࢔ࡢ᭷⏝ᛶࢆ᳨ドࡋ࡚࠸ࡁࡓ

໬ࢯࣇࢺ࢙࢘࢔ࢆタィࡋࠊࣉࣟࢺࢱ࢖ࣉᐇ⿦ࢆ⾜ࡗ࠸࡜⪃࠼࡚࠸ࡿࠋ

ࡓࠋ― 88 ―

4.2 QoS ࢆ⪃៖ࡋࡓࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟ࢸࢡࢳࣕ

4.1.2 ᗈᇦ௬᝿ࢡࣛࢫࢱᇶ┙ᢏ⾡㛤Ⓨ࡜ᛂ⏝

4.2.1 㛗㊥㞳ᗈᖏᇦࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ㧗㏿ᛶ࡜

Osaka@Japanぶ࿴ᛶࢆ⪃៖ࡋࡓࢿࢵࢺ࣮࣡ࢡไᚚ᪉ᘧ

28.8Mbps
47.0Mbps

63.2Mbps
3.4Mbps

4.6Mbps254.2Mbps
69.0Mbps
3.4Mbps

KU@Thai㏆ᖺࠊࢿࢵࢺ࣮࣡ࢡࡢᗈᖏᇦ໬ࡀ㐍ࢇࡔࡇ࡜ࢆཷ

69.1Mbps
NAIST@Japan

79.8Mbps

ࡅࠊe-Science ⎔ቃࡢᵓ⠏࡟ᑐࡍࡿᮇᚅࡀ㧗ࡲࡗ࡚࠸UCSD@US

40.2Mbps
0.44Mbps

0.55Mbps

0.47Mbps

0.54Mbps
0.37Mbpsࡿࠋୡ⏺つᶍࡢ e-Science ⎔ቃ࡟࠾࠸࡚ࡣࠊ኱つᶍࢹ࣮ࢱࡢඹ᭷ࡀ୙ྍḞ࡛࠶ࡿࡀࠊࡇࡢࡼ࠺࡞㛗㊥㞳

1.1Mbpsᗈᖏᇦࢿࢵࢺ࣮࣡ࢡ⎔ቃ࡟࠾࠸࡚ࡣࠊᚑ᮶ࡢ㌿㏦᪉

0.51Mbps
0.29Mbpsᘧ࡛࠶ࡿ TCP ࡟ࡼࡿࢹ࣮ࢱ㌿㏦࡛ࡣ༑ศ࡞ᛶ⬟ࡀ

0.23Mbps
NTU@Singaporeᚓࡽࢀ࡞࠸ࡇ࡜ࡀࢃ࠿ࡗ࡚࠸ࡿࠋࡑࡇ࡛ࠊ㛗㊥㞳ᗈᅗ ᗈᇦ 2SHQ)ORZ ᐇドᐇ㦂ࡢྛᣐⅬ࡜ᣐⅬ㛫ࡢᖏᇦࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚㧗㏿࡟ᖏᇦࢆྲྀᚓࡍࡿࡼ
࠺࡟タィࡉࢀࡓ㧗㏿㌿㏦ࣉࣟࢺࢥࣝࡢ◊✲ࡀ┒ࢇ࡟ࢿࢵࢺ࣮࣡ࢡࣃࣇ࢛࣮࣐ࣥࢫ

⾜ࢃࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊ」ᩘࡢ␗࡞ࡿࣉࣟࢺࢥࣝ࡟
ᮏᖺᗘࡢ◊✲㛤Ⓨ࡛ࡣࠊᅗᅗ ࡟♧ࡉࢀࡿᅜෆእ 5ࡼࡿࢺࣛࣇ࢕ࢵࢡࡀ➇ྜࡋࡓሙྜ࡟ࠊ඲యࢫ࣮ࣝ

ᣐⅬࢆ⤖ࡪᗈᇦ OpenFlow ࢿࢵࢺ࣮࣡ࢡࢆᵓ⠏ࡋࠊࣉࢵࢺࡢపୗࡸࠊ≉ᐃࡢࢺࣛࣇ࢕ࢵࢡࡀᖏᇦࢆ༨᭷

ࡇࡢࢿࢵࢺ࣮࣡ࢡୖ࡟࠾ࡅࡿ࣐ࣝࢳࢧ࢖ࢺ௬᝿ࢡࣛ

ࡋ࡚ࡑࢀࡒࢀࡢࢺࣛࣇ࢕ࢵࢡࡢྲྀᚓᖏᇦࡢᕪࡀ኱ࡁࢫࢱࡢᐇドᐇ㦂ࢆ⾜ࡗࡓࠋࡃ࡞ࡿ࡞࡝ࡢၥ㢟ࡀⓎ⏕ࡍࡿࠋ௒ᅇࡢᐇドᐇ㦂࡛ࡣࠊྛᣐⅬ࡟ OpenFlow ࢫ࢖ࢵᮏ◊✲࡛ࡣࠊ㛗㊥㞳ᗈᖏᇦࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚ࠊ

ࢳࡢࢯࣇࢺ࢙࢘࢔ᐇ⿦࡛࠶ࡿ Open vSwitch ࢆ㓄ഛࡋࠊ㧗 ࠸ ࣜࣥ ࢡ฼ ⏝ ⋡ࢆ ⥔ᣢ ࡋ ࡘࡘ ࠊ➇ ྜ ࡍࡿ ࢺࣛྛᣐⅬ㛫ࡣ IP ࣮࣋ࢫࡢࢺࣥࢿࣜࣥࢢࣉࣟࢺࢥ࡛ࣝ

ࣇ࢕ࢵࢡࡢྲྀᚓᖏᇦබᖹᛶࢆ┠ᣦࡍࢺࣛࣇ࢕ࢵࢡไ

࠶ࡿ GRE (Generic Routing Encapsulation) ࢆ⏝࠸࡚ᚚ᪉ᘧࢆᥦ᱌ࡍࡿࠋᥦ᱌᪉ᘧ࡛ࡣࠊࣇ࣮ࣟẖ࡟࢘࢕௬᝿ࣜࣥࢡࢆ࣓ࢵࢩࣗ≧࡟ᙇࡾᕠࡽࡋࡓ⎔ቃࢆᵓ⠏ࣥࢻ࢘ࢧ࢖ࢬ࡜ ᚟ఏ㏦㐜ᘏ᫬㛫ࢆ᥎ᐃࡍࡿࡇ࡜࡟

ࡋࡓࠋᅗᅗ ࡟♧ࡍࡼ࠺࡟ࠊᣐⅬ㛫ࡢࢿࢵࢺ࣮࣡ࢡࡢ

ࡼࡾ฼⏝ᖏᇦࢆᢕᥱࡋࠊ┠ᶆ࡜ࡍࡿฟຊᖏᇦࡀᚓࡽ

ࣃࣇ࢛࣮࣐ࣥࢫࡣࣂࢵࢡࢢࣛ࢘ࣥࢻࡢ࢖ࣥࢱ࣮ࢿࢵ

ࢀࡿࡼ࠺࡞࢘࢕ࣥࢻ࢘ࢧ࢖ࢬ࡟ㄪᩚࡍࡿࡓࡵࣃࢣࢵ

ࢺᅇ⥺ࡢ㈇Ⲵ࡟ᛂࡌ࡚ᵝࠎ࡛࠶ࡾࠊྠࡌࣜࣥࢡ࡛

ࢺᗫᲠࢆ⾜࠺㸦ᅗᅗ㸧ࠋ࢘࢕ࣥࢻ࢘ࢧ࢖ࢬࢆᇶ࡟ไᚚ

࠶ࡗ࡚ࡶ࢔ࢵࣉ࣮ࣟࢻࣜࣥࢡ࡜ࢲ࣮࢘ࣥࣟࢻࣜࣥࢡ

ࡍࡿࡇ࡜࡟ࡼࡾࠊᵝࠎ࡞㍽㍵ไᚚᶵ⬟ࢆᣢࡗࡓ㧗㏿࡛ࡑࡢࣃࣇ࢛࣮࣐ࣥࢫࡀ኱ࡁࡃ␗࡞ࡿࡇ࡜ࡀศ࠿ࡿࠋ

㌿㏦ࣉࣟࢺࢥࣝࡢ⤌ࡳྜࢃࡏ࡟ᑐࡋ஫࠸ࡢᙳ㡪ࢆᢚ௒ᅇࡢᐇ㦂࡛ࡣࠊOpenFlow ࡟ࡼࡗ࡚ྛィ⟬ᶵ㛫ࡢ⤒࠼ࡿࡇ࡜ࡀྍ⬟࡛࠶ࡾࠊࣜࣥࢡ฼⏝⋡࡜ᖏᇦྲྀᚓබ

㊰ࢆไᚚࡋࠊࣃࣇ࢛࣮࣐ࣥࢫࢆ᭱኱໬ࡍࡿࡼ࠺࡞⤒ᖹᛶࢆ㧗ࡵࡿࡇ࡜ࡀ࡛ࡁࡿࠋ

㊰ࢆ㑅ᢥࡍࡿࡇ࡜࡟ࡼࡗ࡚ࠊィ⟬ᶵ㛫ࡢ㏻ಙࡢࣃ

ᥦ᱌ࡋࡓࢺࣛࣇ࢕ࢵࢡไᚚ᪉ᘧࢆࢩ࣑࣮ࣗࣞࢩࣙ

ࣇ࢛࣮࣐ࣥࢫࢆྥୖࡉࡏࡿࡇ࡜ࡀ࡛ࡁࡿࡇ࡜ࢆ♧ࡋࣥ࡟ࡼࡾホ౯ࢆ⾜ࡗࡓࠋ࠸ࡃࡘ࠿ࡢࢿࢵࢺ࣮࣡ࢡࢺ

ࡓࠋ࣏ࣟࢪ࡟࠾࠸࡚㧗㏿㌿㏦ࣉࣟࢺࢥࣝࡀ➇ྜࡋࡓሙྜ

ḟᖺᗘ௨㝆ࡣ⤒㊰ไᚚࢆᐇ᪋ࡍࡿ OpenFlow ࢥࣥࢆ᝿ᐃࡋࠊ᪤Ꮡࡢࢺࣛࣇ࢕ࢵࢡไᚚ᪉ᘧ࡜ẚ㍑ࡋࡓࠋ

ࢺ࣮ࣟࣛࡢ㛤Ⓨࢆࡉࡽ࡟㐍ࡵࠊ࣐ࣝࢳࢧ࢖ࢺ௬᝿ࢡ

ࡑࡢ⤖ᯝࠊ࡝ࡢࢺ࣏ࣟࢪ࡟࠾࠸࡚ࡶᥦ᱌᪉ᘧࡀᚑ᮶

ࣛࢫࢱ⎔ቃୖ࡛ᐇ⾜ࡍࡿ࢔ࣉࣜࢣ࣮ࢩࣙࣥࡢ≉ᛶ࡟᪉ᘧ࡟ẚ࡭ྲྀᚓᖏᇦᕪࡣᑠࡉࡃ࡞ࡾࠊࣜࣥࢡ฼⏝⋡ᛂࡌ࡚ࢿࢵࢺ࣮࣡ࢡ⤒㊰ࢆ⮬ືࢳ࣮ࣗࢽࣥࢢࡍࡿࡼ

ࡶ኱ࡁࡃᦆ࡞࠺ࡇ࡜ࡣ࡞ࡃࠊ᭷ຠ࡟ᶵ⬟ࡍࡿࡇ࡜ࢆ

࠺࡞ᇶ┙ᢏ⾡ࡢ㛤Ⓨࢆ㐍ࡵ࡚⾜ࡁࡓ࠸࡜⪃࠼࡚࠸ࡿࠋ

♧ࡋࡓࠋࡲࡓࠊᥦ᱌᪉ᘧ࡛ࡣ࣮ࣝࢱࡢᖹᆒ࣮࢟ࣗ㛗ࡸศᩓࡶᑠࡉࡃࠊࣇ࣮ࣟ࡟୚࠼ࡿᙳ㡪ࢆᑠࡉࡃᢚ࠼
ࡽࢀࡿࡇ࡜ࢆ♧ࡋࡓࠋ― 89 ―

ࡋࠊࢫ࢖ࢵࢳ࡛ࣂࢵࣇ࢓ࡢ࣮࢜ࣂ࣮ࣇ࣮ࣟࢆᅇ㑊ࡋ
࡚ࠊTCP ࡢࢱ࢖࣒࢔࢘ࢺࢆ࡛ࡁࡿ㝈ࡾⓎ⏕ࡋ࡞࠸ࡼ࠺࡟ࡍࡿࡓࡵ࡛࠶ࡿࠋࡇ࠺ࡍࡿࡇ࡜࡟ࡼࡾࠊࢩࢫࢸ
࣒඲యࡢࢢࢵࢻࣉࢵࢺࢆྥୖࡉࡏࡿࡇ࡜ࡀྍ⬟࡟࡞ࡿࠋࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⾜ࡗࡓ⤖ᯝ࡟ࡼࡿ࡜ࠊࢧ࣮ࣂ
ࡀ 4 ࣀ࣮ࢻࠊ8 ࣀ࣮ࢻࠊ16 ࣀ࣮ࢻࡢሙྜࠊྛ SRU ࡀࢫ࢖ࢵࢳ࡟ࡪࡘ࠿ࡽ࡞࠸ࡼ࠺࡟ࡍࡿࡇ࡜࡛ࠊࢢࢵࢻ
ࣉࢵࢺࢆࣜࣥࢡᖏᇦᖜࡢ 10%࠿ࡽ 90%௨ୖ࡬ྥୖࡉ

ᅗᥦ᱌ࡍࡿࢺࣛࣇ࢕ࢵࢡไᚚࡢᴫせࡏࡿࡇ࡜ࡀྍ⬟࡛࠶ࡿࡇ࡜ࡀࢃ࠿ࡗࡓࠋࡲࡓࠊ㧗㏿㛵㐃Ⓨ⾲ㄽᩥ

NIC ࢆ᭷ࡍࡿ 4 ྎࡢࢧ࣮ࣂࠊప㏿ NIC ࢆ᭷ࡍࡿ 20(1) 㛗㇂ᕝ⿱ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, “㛗㊥㞳ᗈᖏᇦྎࡢࢧ࣮ࣂࢆ⏝࠸ࡓᐇᶵ࡟ࡼࡿᐇ㦂ࢆ⾜࠸ࠊᮏᡭἲ

ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࣇ࣮ࣟ㛫ᖏᇦබᖹᛶࢆ⪃ࢆ⏝࠸ࡿࡇ࡜࡟ࡼࡿ᭷ຠᛶࢆ☜ㄆࡋࡓࠋ៖ࡋࡓࢺࣛࣇ࢕ࢵࢡไᚚ᪉ᘧ”, 㟁Ꮚ᝟ሗ㏻ಙᏛ

Staggered data transfer఍ᢏ⾡◊✲ሗ࿌(CS2012-5), vol. 112, no. 9, pp.
23–28, April 2012.
4.2.2 ࢹ࣮ࢱࢭࣥࢱ࣮ࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ Incastၥ㢟ࢆ⪃៖ࡋࡓࢹ࣮ࢱ㌿㏦ᡭἲ᫖௒ࡢࢹ࣮ࢱࢭࣥࢱ࣮࡛ࡣ TCP/IP ࡜࢖࣮ࢧࢿࢵ
ࢺࡀࡼࡃ౑ࢃࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊࡑࢀࡽ࡛ᵓᡂࡉࢀ
ࡓࢹ࣮ࢱࢭࣥࢱ࣮࡛ࡣ Incast ࡜࠸࠺ၥ㢟ࡀⓎ⏕ࡍࡿࡇ࡜ࡀ࠶ࡿࠋලయⓗ࡟ࡣࠊࡦ࡜ࡘࡢࢡࣛ࢖࢔ࣥࢺ࠿
ࡽ」ᩘࡢࢧ࣮ࣂ࡟ࣜࢡ࢚ࢫࢺࢆ㏦ࡿ࡜ࡁ࡟ࠊ」ᩘࡢ

ᅗ,QFDVW ࢆᅇ㑊ࡍࡿࢹ࣮ࢱ㌿㏦ᡭἲࢧ࣮ࣂ࠿ࡽ࡯ࡰྠ᫬࡟ࣞࢫ࣏ࣥࢫ(SRU)ࢆ㏉ࡍሙྜ࡟ࡋࡤࡋࡤ Incast ၥ㢟ࡀ⏕ࡌࡿࠋIncast ࡀⓎ⏕ࡍࡿ⌮㛵㐃Ⓨ⾲ㄽᩥ

⏤ࡣࠊࢫ࢖ࢵࢳࡢࣂࢵࣇ࢓ᐜ㔞ࡢไ㝈ࡢࡓࡵ࡟ࠊྠ

(1) Yukai Yang, Hirotake Abe, Ken-ichi Baba and Shinji

᫬࡟」ᩘࢧ࣮ࣂ࠿ࡽ᮶ࡓ SRU ࡀࣂࢵࣇ࢓⁄ࢀࢆ㉳Shimojo, “Staggered flows: An application layer’sࡇࡋࠊࡑࡢ⤖ᯝ࡜ࡋ࡚኱㔞ࡢࣃࢣࢵࢺࣟࢫࡀⓎ⏕ࡍ

way to avoid incast problem”, in Proceedings ofࡿࡓࡵ࡛࠶ࡿࠋ኱㔞ࡢࣃࢣࢵࢺࣟࢫࡣ TCP ࢱ࢖࣒࢔IEEE Asia Pacific Cloud Computing Congress 2012,࢘ࢺࡶⓎ⏕ࡍࡿࡇ࡜࡟࡞ࡿࡓࡵࠊࢡࣛ࢖࢔ࣥࢺഃ࡛

November 2012.

ࡣḟࡢࢹ࣮ࢱࡢ㌿㏦ࡢ෌㛤ࡲ࡛ࠊࢱ࢖࣒࢔࢘ࢺࡋࡓ

(2) Yukai Yang, Hirotake Abe, Ken-ichi Baba and Shinjiࣇ࣮ࣟࢆᚅࡘࡋ࠿࡞࠸ࠋࡑࡢ⤖ᯝ࡜ࡋ࡚ࢩࢫࢸ࣒඲

Shimojo, “One approach to avoid incast problem

యࡢࣃࣇ࢛࣮࣐ࣥࢫ㸦ࢢࢵࢻࣉࢵࢺ㸧ࡀⴠࡕࡿࡇ࡜

with scalability”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍⥲ྜ኱఍ㅮ₇࡟࡞ࡿࠋㄽᩥ㞟(BS-1-51), March 2013.

ᮏ◊✲࡛ࡣࠊ࢔ࣉࣜࢣ࣮ࢩࣙࣥࣞ࢖࡛ࣖྛࣇ࣮ࣟ

(3) Yukai Yang, “An application-layer approach to avoid

ࡢ㌿㏦ࢆ࠺ࡲࡃไᚚࡋ࡚ࠊIncast ၥ㢟ࡢᨵၿࢆ┠ᣦ

TCP incast problem”,኱㜰኱Ꮫ኱Ꮫ㝔᝟ሗ⛉Ꮫ◊ࡍࠋලయⓗ࡟ࡣࠊྛࢧ࣮ࣂࡀ SRU ࢆ㏦ಙࡍࡿ㝿࡟ࠊ✲⛉, ಟኈᏛ఩ㄽᩥ, February 2013.

ྠ᫬࡟⾜࠺ࡢ࡛ࡣ࡞ࡃࠊ࠾஫࠸ࡢ㛫࡟ࡎࢀࢆධࢀࡿ㸦ᅗᅗ㸧ࠋࡑࡢ┠ⓗࡣࠊSRU ࡢࡪࡘ࠿ࡿࡇ࡜ࢆ㜵Ṇ― 90 ―

4.2.3 ගᅇ⥺஺᥮ࢆ⏝࠸ࡓࢹ࣮ࢱࢭࣥࢱ࣮ࢿࢵࢺ

OpticalCircuitSwitch࣮࣡ࢡࡢࢹ࣮ࢱ㌿㏦ᡭἲ

WDMwavelength
ʄ1㏆ᖺࠊ࢖ࣥࢱ࣮ࢿࢵࢺࢧ࣮ࣅࢫࡣ Web ᳨⣴ࢆࡣࡌࡵࠊ࣓࣮ࣝࠊື⏬㜀ぴ࡞࡝ከᵝ໬ࡍࡿ࡜࡜ࡶ࡟ࠊ

䡡䡡䡡

ʄ(m)
ᖏᇦ䠖10bps

5Gbps
4Gbps

ᢅ࠺ࢹ࣮ࢱ㔞ࡣቑ኱ࡍࡿ୍᪉࡛࠶ࡿࠋࡇࢀࡽࡢ࢖ࣥ
ࢱ࣮ࢿࢵࢺࢧ࣮ࣅࢫࡣࠊࢡࣛ࢘ࢻࢧ࣮ࣅࢫ࡜ࡋ࡚ࠊ
㧗㏿ࢿࢵࢺ࣮࣡ࢡ࡜ࢧ࣮ࣂ⩌࠿ࡽᵓᡂࡉࢀࡿࢹ࣮ࢱ
䝩䝇䝖ࢭࣥࢱ࣮ࢆ㐃ᦠࡉࡏ࡚ᥦ౪ࡉࢀࡿࠋࢹ࣮ࢱࢭࣥࢱ࣮
ෆࡢࢿࢵࢺ࣮࣡ࢡࡣࠊ୍⯡࡟ࠊࣛࢵࢡෆࡢࢧ࣮ࣂࡀ

ᅗ 7 Ἴ㛗ඹ᭷ᆺࣃࢫタᐃᡭἲ᥋⥆ࡉࢀࡓ Top of Rack (ToR) ࢫ࢖ࢵࢳ࡜ᇶᖿࢿࢵ
ࢺ࣮࣡ࢡ࡛ᵓᡂࡉࢀࡿࠋ⌧ᅾࡢࢹ࣮ࢱࢭࣥࢱ࣮ࡢ

㛵㐃Ⓨ⾲ㄽᩥ

ࢿࢵࢺ࣮࣡ࢡࡣ᥋⥆ࡍࡿࢧ࣮ࣂࠊࢫ࢖ࢵࢳࡢᩘࡀ⭾(1) ᅜ㔜⾜ὒ, “ගᅇ⥺஺᥮ࢆ⏝࠸ࡓࢹ࣮ࢱࢭࣥࢱ࣮

኱࡛࠶ࡾࠊ኱つᶍࢿࢵࢺ࣮࣡ࢡෆ࡛ࡢ㌿㏦ຠ⋡ࡣࢿࢵࢺ࣮࣡ࢡࡢࢹ࣮ࢱ㌿㏦ᡭἲ”, ኱㜰኱ᏛᕤᏛࢹ࣮ࢱࢭࣥࢱ࣮ࡢᛶ⬟࡟┤⤖ࡍࡿࠋࡑࡢࡓࡵࠊ㏆ᖺ㒊, ≉ู◊✲ሗ࿌, February 2013.

࡛ࡣ㏻ಙ㏿ᗘࡀ㧗ࡃᾘ㈝㟁ຊࡢᑠࡉ࠸ගᅇ⥺஺᥮㏻ಙ࡟ࡼࡿࢿࢵࢺ࣮࣡ࢡࡀᐇ⌧ᛶࡢ㧗࠸࢔࣮࢟ࢸࢡ

4.2.4 ↓⥺ࢭࣥࢧࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢹ࣮ࢱ㌿㏦ࢳࣕ࡜ࡋ࡚ὀ┠ࡉࢀ࡚࠸ࡿࠋ

ࡢ⥾ษࢆ⪃៖ࡋࡓඃඛไᚚᡭἲ

ࢹ࣮ࢱࢭࣥࢱ࣮ࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚ගᅇ⥺஺᥮㏆ᖺࠊᐇୡ⏺࠿ࡽከᵝ࡞ࢭࣥࢧࡀ኱㔞ࡢࢹ࣮ࢱࢆ

㏻ಙࢆ⏝࠸ࡿሙྜࠊ࣍ࢫࢺ㛫࠶ࡿ࠸ࡣࣛࢵࢡ㛫࡟ࣃ⏕ࡳฟࡋࠊࡑࢀࢆ཰㞟࣭ゎᯒࡋ≧ἣุ᩿ࡋࡓ⤖ᯝࢆࠊࢫࢆタᐃࡋ฼⏝ࡍࡿࠋࣃࢫࢆタᐃࡋࡓᖏᇦࡣࡑࡢ㏻⏕άࡸ♫఍άື࡟ࡼࡾ㐺ษ࡟ࣇ࢕࣮ࢻࣂࢵࢡࡍࡿࡇ

ಙࡀ༨᭷ࡍࡿࡓࡵࠊࢿࢵࢺ࣮࣡ࢡୖ࡟タᐃ࡛ࡁࡿࣃ

࡜࡟ࡼࡾࠊ♫఍ࢩࢫࢸ࣒ࡢຠ⋡໬ࡸ㧗ᶵ⬟໬ࡢ㐩ᡂࢫࡢᩘ࡟ࡣไ㝈ࡀ࠶ࡿࠋࡑࡢࡓࡵࠊྠ᫬࡟㏻ಙࡍࡿࢆ ┠ ᣦ ࡍ ࢧ ࢖ ࣂ ࣮ ࣇ ࢕ ࢪ ࢝ ࣝ ࢩ ࢫ ࢸ ࣒ (Cyberࣇ࣮ࣟࡢ⤌ࡳྜࢃࡏࡸࠊ㏦ಙࢱ࢖࣑ࣥࢢࢆ⪃៖ࡋࡓ

Physical System; CPS) ࡀὀ┠ࡉࢀ࡚࠸ࡿࠋCPS ࡛ࡣࠊࣃࢫࡢタᐃࡀᚲせ࡛࠶ࡿࠋගᅇ⥺஺᥮㏻ಙࢆ⏝࠸ࡓከᩘࡢࢭࣥࢧࡢ᝟ሗࢆࣜ࢔ࣝࢱ࢖࣒࡟཰㞟ࡋࠊࢡࣛࢹ࣮ࢱࢭࣥࢱ࣮ࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟ࢸࢡࢳࣕࡢ౛࡜

࢘ࢻࡸࢹ࣮ࢱࢭࣥࢱ࣮࡞࡝࡛ฎ⌮ࡋࠊࡑࡢ⤖ᯝࢆ┤ࡋ࡚ Helios ࡀᣲࡆࡽࢀࡿࠋHelios ࡛ࡣࠊࣛࢵࢡ㛫ࡢࡕ࡟ࣇ࢕࣮ࢻࣂࢵࢡࡍࡿࡇ࡜ࡀồࡵࡽࢀࡿࠋ

せồࣇ࣮ࣟᩘࡢࡳ࡛ࣃࢫࢆタᐃࡋࠊᐄඛ࣍ࢫࢺࡢ㔜

CPS ࡛⏝࠸ࡽࢀࡿࢭࣥࢧࢿࢵࢺ࣮࣡ࢡࡣࠊ㓄⨨ࡀ」ࢆ⪃៖ࡋ࡚࠸࡞࠸ࡓࡵࠊ≉ᐃ࣍ࢫࢺ࡟ࢺࣛࣇ࢕ࢵ

ᐜ࡛᫆ࢥࢫࢺࡀప࠸ࡇ࡜࠿ࡽ࢔ࢻ࣍ࢵࢡࢿࢵࢺ࣮࣡

ࢡࡀ㞟୰ࡍࡿሙྜࠊࣃࢣࢵࢺᦆኻࡀⓎ⏕ࡍࡿၥ㢟ࡀࢡᢏ⾡ࢆ⏝࠸ࡓ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡࢆ⏝࠶ࡿࠋ࠸ࡿࡇ࡜ࡀ⪃࠼ࡽࢀ࡚࠸ࡿࠋࡋ࠿ࡋࠊᚑ᮶ࡢ↓⥺࣐ࡑࡇ࡛ࠊᮏ◊✲࡛ࡣࠊගᅇ⥺஺᥮㏻ಙࢆ⏝࠸ࡓࢹ࣮ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢹ࣮ࢱ㌿㏦࡛ࡣࠊࢱࢭࣥࢱ࣮ࢿࢵࢺ࣮࣡ࢡ࢔࣮࢟ࢸࢡࢳࣕࢆᑐ㇟࡟ࠊ

ࣜ࢔ࣝࢱ࢖࣒࡞ࢹ࣮ࢱ㌿㏦ࢆ⾜࠺ࡓࡵࡢไᚚࡀ༑ศ

࣍ࢫࢺ㛫ࡢࢹ࣮ࢱ㔞࡟ࡶ╔┠ࡋ⪃៖ࡋࡓࣃࢫタᐃᡭ࡛࠶ࡿ࡜ࡣゝ࠼࡞࠸ࠋἲ࡜Ἴ㛗ศ๭ከ㔜࡛㏦ಙࡍࡿ 1 Ἴ㛗ࢆ」ᩘࡢࣇ

ࡑࡇ࡛ࠊᮏ◊✲࡛ࡣ↓⥺ࢭࣥࢧࢿࢵࢺ࣮࣡ࢡ࡟࠾

࣮࡛ࣟඹ᭷ࡍࡿࣃࢫタᐃᡭἲࢆᥦ᱌ࡋࡓ㸦ᅗ 7㸧ࠋࡅࡿࣜ࢔ࣝࢱ࢖࣒࡞ࢹ࣮ࢱ㌿㏦ࡢᐇ⌧ࢆ┠ⓗ࡜ࡋࠊࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸࡚ホ౯ࡋࡓ⤖ᯝࠊHeliosࢹ࣮ࢱ㌿㏦ࡢ⥾ษ࡟ᇶ࡙࠸ࡓඃඛไᚚ࡜⤒㊰ไᚚࢆࣃࢫタᐃᡭἲ࡟ᐄඛ࣍ࢫࢺࡢ㔜」ࡀⓎ⏕ࡍࡿሙྜ࡟

⤌ࡳྜࢃࡏࡓไᚚᡭἲࢆᥦ᱌ࡍࡿࠋࡼࡾヲࡋࡃ㏙࡭࠾࠸࡚ࡶࠊࢫ࣮ࣝࣉࢵࢺࡀ Helios ࡢࣃࢫタᐃᡭἲ࡜ࡿ࡜ࠊඃඛไᚚᡭἲ࡛ࡣࠊࢹ࣮ࢱ㌿㏦ࡢ⥾ษ࡜㊥㞳ẚ㍑ࡋ࡚ྥୖࡍࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

࠿ࡽỴᐃࡋࡓඃඛᗘ࡟ᇶ࡙࠸ࡓࠊࣃࢣࢵࢺࡢ㌿㏦ࡉࢀࡿ㡰ᗎࡢไᚚࢆ⾜࠺ࠋ⤒㊰ไᚚᡭἲ࡛ࡣࠊࢹ࣮ࢱ
― 91 ―

㌿㏦ࡢ⥾ษ࡜ྛࣀ࣮ࢻ࡬ࡢ㌿㏦ࡢ㐜ᘏ࠿ࡽỴᐃࡋࡓࣀ࣮ࢻ࡛ࡣ࡞࠸ᯫ✵ࡢࣀ࣮ࢻ࡟㌿㏦ࡍࡿࡇ࡜࡛㏻ಙ

ඃඛᗘ࡟ᇶ࡙࠸ࡓࠊࣃࢣࢵࢺࡢ⤒㊰ࡢඃඛ࡜ศᩓࢆ

ࢆጉᐖࡍࡿࠋྠ᫬࡟ࠊṇᖖ࡞㏻ಙࡢሙྜ࡟ᐄඛࣀ࣮

⾜࠺㸦ᅗ
ᅗ㸧
ࠋ

ࢻ࠿ࡽ㏉ಙࡉࢀࡿ ACK ࣃࢣࢵࢺࢆഇ⿦ࡋ࡚㞄᥋ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡾᥦ᱌ᡭἲࢆホ౯ࡋࡓࠋࡑ
ࡢ⤖ᯝࠊᥦ᱌ᡭἲࡣࠊᚑ᮶ࡢᡭἲࡼࡾࢹ࣮ࢱ㌿㏦ࡢࣀ࣮ࢻࡢᨷᧁࣀ࣮ࢻ࡟ᑐࡍࡿಙ㢗ᗘࢆୗࡆ࡞࠸ࡼ࠺
࡟ࡍࡿࠋᮏ◊✲࡛ࡣഇ⿦ ACK ᨷᧁ࡟ࡘ࠸࡚ࠊ᪤Ꮡࡢᡭἲ

⥾ษ࣑ࢫ⋡ࢆᢚ࠼ࡿࡇ࡜ࡀ࡛ࡁࠊ᭷ຠ࡛࠶ࡿࡇ࡜ࢆ

࡛ࡣᑐฎ࡛ࡁ࡞࠸ࡇ࡜ࢆ♧ࡋࠊࡑࡢᨷᧁࡢᑐฎἲࢆ

♧ࡋࡓࠋᥦ᱌ࡍࡿࠋᥦ᱌ࡍࡿᡭἲ࡛ࡣࠊ㏦ಙࣀ࣮ࢻࡣᨷᧁࣀ࣮
5s௨ෆࢻࡀഇ⿦ࡋࡓ ACK ࢆཷࡅྲྀࡿ࡜ࠊᨵ❠ࢆ᳨▱ࡋࠊ୰⥅ࣀ࣮ࢻ࡜࡞ࡗࡓ඲࡚ࡢࣀ࣮ࢻ࡟ᑐࡋ࡚㆙࿌ࣃ10s௨ෆ

ࢣࢵࢺࢆ㏦ಙࡍࡿࠋ㆙࿌ࢆཷࡅྲྀࡗࡓྛࣀ࣮ࢻࡣḟ࣍ࢵࣉ࡜࡞ࡿ㞄᥋ࣀ࣮ࢻ࡟ᑐࡍࡿಙ㢗ᗘࢆୗࡆࡿࡇ
⤒㊰ไᚚ
㍽㍵≧ἣ࡟
ᛂࡌࡓ⤒㊰ไᚚ

࡜࡛ᨷᧁࣀ࣮ࢻࢆᅇ㑊ࡍࡿ㸦ᅗ
ᅗ㸧ࠋ

ඃඛไᚚ
⥾ษඃඛᗘ࡟
ᛂࡌࡓ࣮࢟ࣗไᚚ

ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡾᥦ᱌ᡭἲࡢホ౯ࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊᥦ᱌ᡭἲࡣᨷᧁࣀ࣮ࢻࡀᏑᅾࡍࡿ⎔ቃୗ࡛ࣃࢣࢵࢺࡢ㌿㏦ᡂຌ⋡ࡀ㧗ࡃࠊഇ⿦ ACK ᨷᧁ࡟ᅗ ࢹ࣮ࢱ㌿㏦ࡢ⥾ษࢆ⪃៖ࡋࡓඃඛไᚚᡭἲ

ᑐࡋ࡚᭷ຠ࡛࠶ࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ
ACK 䛜ṇ䛧䛟䛺䛔䛣䛸䜢᳨▱䛧䚸㆙࿌䛩䜛

㛵㐃Ⓨ⾲ㄽᩥ
(1) ⸨஭ᗮ, “↓⥺ࢭࣥࢧࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢹ࣮

㆙࿌䜢ཷ䛡ྲྀ䜛䛸䚸ಙ㢗ᗘ䜢ୗ䛢䜛
㆙࿌䜢㌿㏦䛩䜛

ᨷᧁ䝜䞊䝗ഇ⿦䛧䛯 ACK 䜢㏉䛩

1.0ࢱ㌿㏦ࡢ⥾ษࢆ⪃៖ࡋࡓඃඛไᚚᡭἲ”, ኱㜰኱

1.0ഇ⿦ ACK㆙࿌ᏛᕤᏛ㒊, ≉ู◊✲ሗ࿌, February 2013.

1.0

4.2.5 ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙ㢗ᨷᧁ䝜䞊䝗䜢
ᅇ㑊䛧䛶㌿㏦

1.0
0.7

ᯫ✵䛾䝜䞊䝗

ᅗഇ⿦ $&. ᨷᧁࡢᅇ㑊ᡭἲᗘࢆ⪃៖ࡋࡓ࣮ࣝࢸ࢕ࣥࢢᡭἲ
㏆ᖺࠊ↓⥺➃ᮎࡀ࣐ࣝࢳ࣍ࢵࣉ㏻ಙ࡟ࡼࡾ㏻ಙࢆ

㛵㐃Ⓨ⾲ㄽᩥ

⾜࠺ࠊ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡࡢ◊✲ࡀ┒ࢇ(1) ᑠཎ୍ဢ, 㜿㒊ὒ୔, 㤿ሙ೺୍, ୗᲄ┿ྖ, ͆↓⥺࡛࠶ࡿࠋ↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡛ࡣࢹ࣮ࢱ

࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙ㢗ᗘ᝟ሗࡢ㌿㏦ࡀ࣮ࣘࢨࡢࣀ࣮ࢻ࡟ࡼࡗ࡚㌿㏦ࡉࢀࡿࡓࡵࠊ

࡟ᇶ࡙ࡃ࣮ࣝࢸ࢕ࣥࢢᡭἲࡢ᳨୍ウ͇, 㟁Ꮚ᝟ሗ୰㛫ࣀ࣮ࢻࡀᝏពࡢ࠶ࡿࣀ࣮ࢻࡔࡗࡓሙྜࠊ࣮ࣝ

㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(NS2012-223), vol. 112, no.

ࢸ࢕ࣥࢢࣉࣟࢺࢥࣝࡀᶵ⬟ࡋ࡞࠸ᜍࢀࡀ࠶ࡿࠋ࣮ࣝ

463, pp. 337–342, March 2013.

ࢸ࢕ࣥࢢࣉࣟࢺࢥࣝࡀᝏព࠶ࡿࣀ࣮ࢻ࡟ᑐฎࡍࡿࡓ

(2) ᑠཎ୍ဢ, ୗᲄ┿ྖ, “↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ

ࡵ࡟ࠊࢿࢵࢺ࣮࣡ࢡࡢྛࣀ࣮ࢻࡀ㞄᥋ࣀ࣮ࢻࡢ᣺ࡿ

࣮࣡ࢡ࡟࠾ࡅࡿಙ㢗ᗘࢆ⪃៖ࡋࡓ࣮ࣝࢸ࢕ࣥࢢ⯙࠸ࢆ┘どࡋ࡚ྛ㞄᥋ࣀ࣮ࢻࢆホ౯ࡋࠊ㌿㏦࡟཯ᫎ

ᡭἲ”, ኱㜰኱ᏛᕤᏛ㒊, ≉ู◊✲ሗ࿌, Februaryࡍࡿ࢔ࣉ࣮ࣟࢳࡀࡇࢀࡲ࡛࡟᳨ウࡉࢀ࡚࠸ࡿࠋࡋ࠿

2013.

ࡋࠊᚑ᮶ࡢᡭἲ࡛ࡣࣃࢣࢵࢺࢆ◚Რࡋࠊࣃࢣࢵࢺࡢ
฿╔ࢆ㏦ಙࣀ࣮ࢻ࡟▱ࡽࡏࡿࣃࢣࢵࢺ㸦࠸ࢃࡺࡿ

4.3 ࣇ࢛ࢺࢽࢵࢡࢿࢵࢺ࣮࣡ࢡ࡟㛵ࡍࡿ◊✲

ACK ࣃࢣࢵࢺ㸧ࢆഇ⿦ࡍࡿഇ⿦ ACK ᨷᧁ࡟ᑐࡍࡿ
⬤ᙅᛶࡀ࠶ࡿࠋഇ⿦ ACK ᨷᧁ࡛ࡣᝏព࠶ࡿࣀ࣮ࢻ
ࡀཷࡅྲྀࡗࡓࢹ࣮ࢱ㌿㏦ࡢࡓࡵࡢࣃࢣࢵࢺࢆ㞄᥋― 92 ―

4.3.1 ග CDM ࢆ⏝࠸ࡓࣁ࢖ࣈࣜࢵࢻࢿࢵࢺ࣮࣡ࢡᵓ

ᡂᡭἲ⌧ᅾࠊ඲ගࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚㏻ಙࢆ⾜࠺ሙྜࠊ࢚ࣥࢻࣀ࣮ࢻ㛫ࢆἼ㛗ศ๭ከ㔜(WDM) ࡟ࡼࡗ࡚᥋
⥆ࡋࠊ୍ࡘࡢ㏻ಙ࡟ᑐࡋ୍࡚Ἴ㛗ࢆ๭ࡾᙜ࡚ࡿගᅇ
⥺஺᥮᪉ᘧࡀ୺ὶ࡛࠶ࡿࠋࡋ࠿ࡋࠊWDM ࡟ࡼࡿ㏻
ಙ㊰タᐃࡣ 1 Ἴ㛗ࢳࣕࣥࢿࣝ㎶ࡾࡢᖏᇦࡀ኱ࡁࡍࡂ
ࡿࡓࡵࠊ඲ᖏᇦᖜࢆ౑࠸ษࡾࠊࢿࢵࢺ࣮࣡ࢡࡢ฼⏝ຠ⋡ࢆྥୖࡉࡏࡿࡇ࡜ࡀ㞴ࡋ࠸ࠋࡉࡽ࡟ࠊගᅇ⥺஺᥮᪉ᘧ࡛ࡣ㏻ಙ࡟ඛ❧ࡗ࡚ගࣃࢫࡢタᐃࢆ⾜࠺ᚲせᅗࣁ࢖ࣈࣜࢵࢻගࢿࢵࢺ࣮࣡ࢡ

ࡀ࠶ࡾࠊ㏻ಙࡍࡿࢹ࣮ࢱ㔞ࡀᑡ࡞࠸ሙྜ࡟ࡣගࣃࢫ
4.3.2 ග CDM ࢆ⏝࠸ࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺタᐃࡢ᫬㛫࣮࢜ࣂ࣊ࢵࢻࡢᙳ㡪ࡀ኱ࡁࡃ࡞ࡿࠋ
ᮏ◊✲࡛ࡣࠊWDM ࡢྛἼ㛗ࢳࣕࢿࣝࢆග CDM࣮࣡ࢡࡢᵓᡂ࠾ࡼࡧ㏻ಙᡭἲᢏ⾡࡟ࡼࡾ⣽⢏ᗘ໬ࡍࡿࡇ࡜࡛ᰂ㌾࡞ᖏᇦ฼⏝ࢆྍගᅇ⥺஺᥮㏻ಙࡣࠊගࣃࢫࡢタᐃࡢࡓࡵ࡟ᑡ࡞ࡃ

⬟࡟ࡋࠊ」ᩘࡢ㏻ಙ᪉ᘧࢆ฼⏝ྍ⬟࡟ࡍࡿࡇ࡜࡛ග

࡜ࡶࢿࢵࢺ࣮࣡ࢡࡢ ᚟ఏ᧛㐜ᘏ࡟┦ᙜࡍࡿ᫬㛫ᅇ⥺஺᥮㏻ಙࡢḞⅬࢆ⿵࠺ࣁ࢖ࣈࣜࢵࢻගࢿࢵࢺ

࣮࢜ࣂ࣊ࢵࢻࡀᚲせ࡜࡞ࡿࡓࡵࠊࢿࢵࢺ࣮࣡ࢡࢆὶ

࣮࣡ࢡࢆタィࡍࡿࠋࡲࡓࠊࡑࢀࡒࢀࡢ㏻ಙ᪉ᘧࢆྍ

ࢀࡿಶࠎࡢࢺࣛࣇ࢕ࢵࢡࢧ࢖ࢬࡀᑠࡉࡃ࡞ࡿ࡜ࠊග

⬟࡜ࡍࡿࢿࢵࢺ࣮࣡ࢡࣀ࣮ࢻࡢ࢔࣮࢟ࢸࢡࢳࣕཬࡧࠊࣃࢫタᐃࡢ᫬㛫࣮࢜ࣂ࣊ࢵࢻࡀ┦ᑐⓗ࡟኱ࡁࡃ࡞ࡾࠊ

ྛࢿࢵࢺ࣮࣡ࢡࡢไᚚ᪉ἲ࡟ࡘ࠸࡚ࡶᥦ᱌ࡍࡿࠋᥦ

ᛶ⬟ࡀపୗࡍࡿၥ㢟ࡀ࠶ࡿࠋࡇࡢၥ㢟࡟ᑐࡋ࡚௨๓

᱌ࡍࡿࣁ࢖ࣈࣜࢵࢻගࢿࢵࢺ࣮࣡ࢡ࡛ࡣࠊගᅇ⥺஺ࡢ◊✲࡛ᡃࠎࡣࠊගᅇ⥺஺᥮㏻ಙ࡟ຍ࠼࡚ࠊ࿧ࡈ࡜

᥮㏻ಙࡀྍ⬟࡞ࢿࢵࢺ࣮࣡ࢡ࡜ගࣈ࣮ࣟࢻ࢟ࣕࢫࢺ

࡟ගࣃࢫࡢタᐃࢆ⾜ࢃ࡞࠸ගࣈ࣮ࣟࢻ࢟ࣕࢫࢺ㏻ಙ

㏻ಙࡀྍ⬟࡞ࢿࢵࢺ࣮࣡ࢡࡀ࠶ࡾࠊࢺࣛࣇ࢕ࢵࢡ≉ࢆ⤌ࡳྜࢃࡏࡓࣁ࢖ࣈࣜࢵࢻගࢿࢵࢺ࣮࣡ࢡࢆᥦ᱌

ᛶ࡟ᛂࡌ࡚࡝ࡕࡽ࠿ࡢ㏻ಙ᪉ᘧࡀ㑅ᢥࡉࢀࡿ㸦ᅗᅗࡋࠊࡑࡢᛶ⬟ࢆホ౯ࡋࡓࠋࡋ࠿ࡋࠊ௨๓࡟ᥦ᱌ࡋࡓ

㸧ࠋ㝵ᒙᆺࢶ࣮ࣜᵓ㐀ࢆᵓᡂࡍࡿㄽ⌮ࢺ࣏ࣟࢪ࡛ࡣࠊග

ᥦ᱌ࡋࡓࣁ࢖ࣈࣜࢵࢻගࢿࢵࢺ࣮࣡ࢡ࡟࠾࠸࡚ࠊ

ࣈ࣮ࣟࢻ࢟ࣕࢫࢺ㏻ಙ࡟࠾࠸࡚ࣀ࣮ࢻୖࡢ⾪✺ࡀ୙ィ⟬ᶵࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡾࠊගᅇ⥺஺᥮᪉ᘧࡢ

ྍ㑊࡛࠶ࡾࠊప㈇Ⲵ⎔ቃୗ࡛ࡶ࿧ᦆ⋡ࡀ኱ࡁ࠸࡜࠸

ࡳ࡟ࡼࡿ㏻ಙ࡜ࣈ࣮ࣟࢻ࢟ࣕࢫࢺ஺᥮࡟ࡼࡿ㏻ಙࡢ࠺ၥ㢟ࡀ࠶ࡗࡓࠋ

ẚ㍑ࢆ⾜ࡗࡓࠋ㏻ಙࢹ࣮ࢱ㔞ࡀᑠࡉ࠸ሙྜ࡟ࡣࠊࣈ

ᮏ◊✲࡛ࡣࠊ࿧タᐃࢆ⾜ࢃ࡞࠸ගࣈ࣮ࣟࢻ࢟ࣕࢫ

࣮ࣟࢻ࢟ࣕࢫࢺ࡟ࡼࡿ㏻ಙࢆ⾜࠺᪉ࡀࢿࢵࢺ࣮࣡ࢡ

ࢺࢿࢵࢺ࣮࣡ࢡ࡛ࡶ⾪✺ࡀ㉳ࡇࡽ࡞࠸ࠊࢫࢱ࣮ᆺ࡜

ࡢ฼⏝ຠ⋡ࡀⰋࡃ࡞ࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋࡉࡽ࡟ࠊ

ࣂࢫᆺࢆྜࢃࡏࡓ᪂ࡋ࠸ㄽ⌮ࢺ࣏ࣟࢪタィࢆᥦ᱌ࡋࠊ

6 ࣀ࣮ࢻࢺ࣏ࣟࢪ࡜ NSF ࢺ࣏ࣟࢪୖ࡛ࠊᵝࠎ࡞ࢹ࣮ࡑࡢㄢ㢟Ⅼࢆ㆟ㄽࡋࡓ㸦ᅗᅗ㸧ࠋࡲࡓࠊᥦ᱌ㄽ⌮ࢺࢱࢧ࢖ࢬศᕸࢆᣢࡘࢺࣛࣇ࢕ࢵࢡ࡟ᑐࡋ࡚ࢩ࣑ࣗ

࣏ࣟࢪୖ࡛ຠ⋡ⓗ࡟ගࣈ࣮ࣟࢻ࢟ࣕࢫࢺ㏻ಙࢆ⾜࠺࣮ࣞࢩࣙࣥࢆ⾜࠸ࠊࡑࡢ᭷ຠᛶࢆ♧ࡋࡓࠋ᪉ἲࢆᥦ᱌ࡋࡓ㸦ᅗᅗ㸧ࠋࡉࡽ࡟ࠊࢩ࣑࣮ࣗࣞࢩࣙ
ࣥ࡟ࡼࡗ࡚ࠊᚑ᮶ࡢ㝵ᒙᆺࢶ࣮ࣜࢺ࣏ࣟࢪ࡜ᥦ᱌ㄽ

㛵㐃Ⓨ⾲ㄽᩥ
(1) Tatsuya Fukuda, Ken-ichi Baba and Shinji Shimojo,“A study on hybrid optical network architecture with
OCDM technology”, in Proceedings of IEEE⌮ࢺ࣏ࣟࢪୖ࡛ගࣈ࣮ࣟࢻ࢟ࣕࢫࢺ㏻ಙࡢᛶ⬟ࢆẚ
㍑ࡋࠊప㈇Ⲵ⎔ቃୗ࡛࿧ᦆ⋡ࢆ኱ࡁࡃᢚ࠼ࡽࢀࡿࡇ
࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ

International Conference on Communications 2012
(ICC2012), pp. 3144-3148, June 2012.

― 93 ―

2

1

code: 3

code: 14

ࡋ࡚ᰂ㌾࡞ᖏᇦ๭ᙜ࡚ࢆ⾜࠺ࡇ࡜ࡀ࡛ࡁ࡞࠸ࠋ㏆ᖺࠊ

5⣽⢏ᗘࡢග࿘Ἴᩘ㸦ࢫ࣌ࢡࢺࣝ㸧ࢆ฼⏝ࡍࡿග OFDM
code: 2

1
2

code: 1

3

3

code: 2ᢏ⾡ࢆά⏝ࡋࠊᰂ㌾࡞ᖏᇦ๭ᙜ࡚ࢆྍ⬟࡟ࡋࡓ࢚ࣛ

4
code: 1ࢫࢸ࢕ࢵࢡගࣃࢫࢿࢵࢺ࣮࣡ࢡ(SLICE)ࡀᥦ᱌ࡉࢀ

code: 1 code: 2

6

7

8

9

ᅗ㸧ࠋSLICE ࡛ࡣࠊWDM ࢿࢵࢺ࣮࣡ࢡ
࡚࠸ࡿ㸦ᅗᅗගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺ࣮࣡ࢡࡢ᪂ࡓ࡞ᵓ

࡟࠾ࡅࡿ Routing and Wavelength Allocation (RWA)࡜
ྠᵝ࡟ࠊࢫ࣌ࢡࢺࣝ㈨※ࡢ๭ᙜ࡜࣮ࣝࢸ࢕ࣥࢢࢆỴᡂᡭἲᐃࡍࡿ(RSA; Routing and Spectrum Allocation)ᚲせࡀ࠶ࡿࠋ

SLICE ࡟࠾ࡅࡿࢫ࣌ࢡࢺࣝ㈨※๭ᙜࡣࠊࣃࢫࡢఏ

code:0traffic (A):
1 to 2

code:2

code: 2

code:1

traffic(C):3 to 5㏦㊥㞳࡟㐺ࡋࡓኚㄪ᪉ᘧ㸦QPSKࠊ8QAMࠊ16QAM࡞࡝)ࢆ㑅ᢥࡍࡿࡇ࡜࡟ࡼࡾࠊᡤᮃᖏᇦࢆᐇ⌧ࡍࡿᚲ

code:3

code:3

せ࡞ࢫࣟࢵࢺᩘࢆῶࡽࡍࡇ࡜ࡀ࡛ࡁࡿࠋࡘࡲࡾࠊ

code:2

traffic (B):
2 to 5

code:2

SLICE ࡣࠊࣃࢫ࡟㐺ษ࡞ኚㄪ᪉ᘧࢆ㑅ࡪࠊRouting,

Modulation Level and Spectrum Allocation (RMLSA)
code:3

ࢆ⾜࠺ࡇ࡜࡟ࡼࡾຠ⋡ⓗ࡞㈨※๭ࡾᙜ࡚ࡀྍ⬟࡟࡞ࡿࠋᮏ◊✲࡛ࡣࠊ᪂ࡓ࡞ RMLSA ࢔ࣝࢦࣜࢬ࣒ࢆᥦ᱌

ᅗගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ

ࡍࡿࠋᥦ᱌᪉ᘧࡣࠊࣃࢫせồࡢྛࣜࣥࢡ࡛ᚲせ࡞ࢫࢹ࣮ࢱ㌿㏦ᡭἲ

ࣟࢵࢺᩘ࡜࣍ࢵࣉᩘࡢ୧᪉ࢆ⪃៖ࡋ࡚ࣃࢫせồࢆヲ㛵㐃Ⓨ⾲ㄽᩥ

⣽࡟ࢢ࣮ࣝࣉ໬ࡍࡿࠋࡉࡽ࡟ࠊࣃࢫせồ࡛⪃࠼ࡽࢀ(1) Tatsuya Fukuda, Ken-ichi Baba and Shinji Shimojo,ࡿࣃࢫࡢኚㄪᙧᘧࢆ⪃៖ࡋࠊከࡃࡢ࿘Ἴᩘࢫࣟࢵࢺ

“Network design for contention avoidance in opticalࢆᚲせ࡜ࡍࡿࣃࢫせồࢆඃඛⓗ࡟๭ࡾᙜ࡚ࡿࠋ

broadcast network”, in Proceedings of Photonics in
Switching 2012 (PS2012), August 2012ࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡾᥦ᱌᪉ᘧࢆホ౯ࡋࡓ⤖ᯝࠊᚑ᮶ᡭἲ࡜ẚ࡭ࠊ౑⏝ࡍࡿග࿘Ἴᩘࢫ࣌ࢡࢺࣝࢆ๐

(2) ⚟⏣㐩ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, ͆ග CDM ࢆ⏝࠸ῶ࡛ࡁຠ⋡ⓗ࡞㈨※๭ࡾᙜ࡚ࡀ࡛ࡁࡿࡇ࡜ࢆ♧ࡋࡓࠋࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺ࣮࣡ࢡࡢᵓᡂᡭἲ͇,㻻㼜㼠㼕㼏㼍㼘㻌㻼㼍㼠㼔㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(PN2012-18), vol.

30G

㻞㻜㻳

112, no. 195, pp. 23̽28, August 2012. Ӑࣇ࢛ࢺ㼀㼛㻌㼍㼘㼘㼛㼏㼍㼠㼑㼎㼍㼚㼐㼣㼕㼐㼠㼔㻌㼑㼒㼒㼕㼏㼕㼑㼚㼠㼘㼥

50G
㻻㼜㼠㼕㼏㼍㼘㻌㻻㻲㻰㻹ࢽࢵࢡࢿࢵࢺ࣮࣡ࢡⱝᡭ◊✲㈹ӑ

㻡㻜㻳(3) ⚟⏣㐩ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, ͆ග CDM ࢆ⏝࠸ࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺ࣮࣡ࢡࡢᵓᡂ࠾

50G

㻔㻻㼞㼠㼔㼛㼓㼛㼚㼍㼘㻌㻲㼞㼑㼝㼡㼑㼚㼏㼥㻰㼕㼢㼕㼟㼕㼛㼚㻌㻹㼡㼘㼠㼕㼜㼘㼑㼤㼕㼚㼓㻕㻌㻝㻜㻜㻳

ࡼࡧ㏻ಙᡭἲ͇, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌㼃㻰㻹

(PN2012-84), vol. 112, no. 471, pp. 37̽42, March
2013.

㻻㻲㻰㻹

ᅗ࢚ࣛࢫࢸ࢕ࢵࢡගࣃࢫࢿࢵࢺ࣮࣡ࢡ

4.3.3 ࢚ࣛࢫࢸ࢕ࢵࢡගࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ᪂ࡓ

࡞ RMLSA ࢔ࣝࢦࣜࢬ࣒ࡢᥦ᱌

㛵㐃Ⓨ⾲ㄽᩥ
(1) Tatsuya Hashimoto, Ken-ichi Baba and Shinji

ᚑ᮶ࡢ WDM ࢿࢵࢺ࣮࣡ࢡࡣࠊᅛᐃ㛫㝸ࡢࢢࣜࢵ

Shimojo, “A study on Routing, Modulation Level,ࢻୖ࡟㓄⨨ࡉࢀࡓἼ㛗ࢆ⏝࠸ࡿࡓࡵࠊࣃࢫせồ࡟ᑐ

and Spectrum Allocation algorithms for elastic― 94 ―

optical path networks”, in Proceedings of IEEE PS㛫࡛ࠊ㏻ಙࡀ㏵⤯ࡍࡿሙྜࡀ࠶ࡗ࡚ࡶࠊ᭱⤊ⓗ࡟ࡣ

3rd International Conference on Photonics 2012᝟ሗࢆඹ᭷ࡍࡿࡇ࡜ࡀྍ⬟࡟࡞ࡗࡓࠋ

(ICP2012), pp. 395–399, October 2012.
(2) ᶫᮏ❳ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, “࢚ࣛࢫࢸ࢕ࢵࢡ
ගࣃࢫࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ RMLSA ࢔ࣝࢦࣜࢬ࣒ࡢ᳨୍ウ”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌
(PN2012-11), vol. 112, no. 87, pp. 55–60, June 2012.
4.4 ࢡࣛ࢘ࢻά⏝ᆺࣟ࣎ࢵࢺࡢࡓࡵࡢࢿࢵࢺ࣮࣡ࢡ
ᵓᡂᢏ⾡࡟㛵ࡍࡿ◊✲ᡃࠎࡣࠊCyber Physical System(CPS)◊✲ࡢ୍⎔࡜ࡋ࡚ࠊࢡࣛ࢘ࢻά⏝ᆺࣟ࣎ࢵࢺ࡟╔┠ࡋࠊࡑࡢࢿࢵ
ࢺ࣮࣡ࢡᵓᡂᢏ⾡࡟ࡘ࠸࡚◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋࡇࢀ
ࡣࠊ㏻ಙ࠿ࡽࡳࡓ CPS ࡛࠶ࡿ IoT (Internet of Things)ᅗࢡࣛ࢘ࢻࣟ࣎ࢵࢺ㏻ಙࡢ '71 ᣑᙇࡀᵝࠎ࡞ேࠊࡶࡢࠊࢭࣥࢧ࣮࡞࡝ࡀ࢖ࣥࢱ࣮ࢿࢵࢺ
࡟᥋⥆ࡉࢀࡓୡ⏺ࢆ┠ᣦࡋ࡚࠸ࡿࡢ࡟ᑐࡋ࡚ࠊࡉࡽ

㛵㐃Ⓨ⾲ㄽᩥ

࡟ࡑࡢ୰࡟ࠊ⮬ࡽࢭࣥࢧ࣮᝟ሗࢆ⏕࠿ࡋ࡚⾜ືࡍࡿ(1) ㇏ᕝ┤Ꮚ, “CNR (Cloud Network Robot) ࡟࠾ࡅࡿࣟ࣎ࢵࢺࢆྲྀࡾ㎸ࡶ࠺࡜࠸࠺ࡡࡽ࠸࡛࠶ࡿࠋᡃࠎࡣࠊ

㏻ಙ㏵⤯⪏ᛶ࡟㛵ࡍࡿ◊✲”, ኱㜰኱Ꮫ኱ᏛᕤᏛ

ࢹ࣮ࢱࢭࣥࢱ࣮ෆࢆ⮬㉮ࡋ࡞ࡀࡽࠊ┘ど࡜㒊, ≉ู◊✲ሗ࿌, February 2013.

ᗘ࡞࡝⎔ቃ᝟ሗࢆྲྀᚓࡍࡿࡇ࡜ࢆ┠ᣦࡋ࡚◊✲㛤Ⓨࢆ⾜ࡗ
4.5 ࢧ࢖ࣂ࣮ࣇ࢕ࢪ࢝ࣝࢩࢫࢸ࣒ࡢࡓࡵࡢࢥ࣑ࣗࢽ

࡚࠸ࡿࠋࢣ࣮ࢩࣙࣥᨭ᥼

ࢡࣛ࢘ࢻά⏝ᆺࣟ࣎ࢵࢺ࡟㛵ࡋ࡚ࡣࠊᵝࠎ࡞ࡶࡢࡀᥦ᱌ࡉࢀ࡚࠸ࡿࡀࠊᡃࠎࡣࠊGoogle ࡀᥦၐࡍࡿࢡ

ࢫ࣐࣮ࢺࣇ࢛ࣥࡸ⤌ࡳ㎸ࡳࢹࣂ࢖ࢫୖ࡟Ᏻ౯࡟ᐇ

ࣛ࢘ࢻࣟ࣎ࢵࢺ࡟ࡶྵࡲࢀ࡚࠸ࡿ ROS ࡟ὀ┠ࡋ࡚⌧ྍ⬟࡞ Bluetooth ➼ࡢ㏆㊥㞳㏻ಙᶵ⬟ࢆ⏝࠸࡚࠸ࡿࠋROS ࡣ pub/sub ࢆ࣮࣋ࢫ࡟ࡋࡓ⡆༢࡞ࣉࣟࢺ

DTN ࢆᐇ⌧ࡍࡿࡓࡵࡢ᪉ἲࠊ࡜ࡃ࡟ࠊDTN ࢆ⏝࠸ࢥ࡛ࣝࣟ࣎ࢵࢺࡢࢭࣥࢧ࣮᝟ሗࢆ㞟⣙ࡋࠊศᯒࡋࠊ

ࡓࣈ࣮ࣟࢻ࢟ࣕࢫࢺ㸦DTN ࣈ࣮ࣟࢻ࢟ࣕࢫࢺ㸧ࢆపࣟ࣎ࢵࢺࡢ⾜ື࡟⤖ࡧࡘࡅࡿࡇ࡜ࡀ࡛ࡁࡿࠋ࠸ࡃࡘ

㐜ᘏ࡛⾜࠺ࡓࡵࡢ᪉ἲࢆ᳨ウࡋࡓࠋDTN ࣈ࣮ࣟࢻ࠿ࡢࣟ࣎ࢵࢺࣉࣛࢵࢺࣇ࢛࣮࣒࡟᥇⏝ࡉࢀࠊ࠸ࢃࡤ

࢟ࣕࢫࢺ࡟࠾࠸࡚ࡣࠊ࠶ࡿࣀ࣮ࢻ(฼⏝⪅ࡀᣢࡘ➃ᮎࣟ࣎ࢵࢺࢆືసࡉࡏࡿᵝࠎ࡞ࣉࣛࢵࢺࣇ࢛࣮࣒ࡀඹ

ࡸࠊ⛣ືࡍࡿࢭࣥࢧ࡞࡝)࡟࠾࠸࡚࣓ࢵࢭ࣮ࢪࡀ⏕ᡂ

㏻ࣉࣛࢵࢺࣇ࢛࣮࣒࡛ὶ㏻ࡍࡿ OSS ࡀฟ᮶ୖࡀࡗ

ࡉࢀ࡚࠿ࡽࠊࡍ࡭࡚ࡢࣀ࣮ࢻ࡟ཷಙࡉࢀࡿࡲ࡛࡟࠿

࡚࠸ࡿࠋ࠿ࡿ㐜ᘏࠊ࠾ࡼࡧࠊࡍ࡭࡚ࡢࣀ࣮ࢻ࡬㓄ᕸࡀ᏶஢ࡍ

௒ᅇࠊ」ᩘࡢࣟ࣎ࢵࢺࡀ༠ㄪࡋ࡚ືసࡍࡿ⎔ቃࢆࡿࡲ࡛ࡢ㐜ᘏࡀᑠࡉ࠸ࡇ࡜ࡀᮃࡲࡋ࠸ࠋࣀ࣮ࢻࡀ

ࡵࡊࡋࠊࡇࡢ ROS ࢆᣑᙇࡋࠊP2P ᆺ࣓ࢵࢭ࣮ࢪ஺᥮

࣓ࢵࢭ࣮ࢪࢆཷಙࡉࢀࡿࡲ࡛࡟࠿࠿ࡿ㐜ᘏࡢᮇᚅ್

ࢆ⾜࠺⵳✚ᆺ㌿㏦ᢏ⾡(DTN: Delay Tolerant Network)ࢆᖹᆒ㓄ᕸ㐜ᘏࠊ඲ࣀ࣮ࢻ࡬࣓ࢵࢭ࣮ࢪࡢ㓄ᕸࡀ᏶ࢆ⤌ࡳ㎸ࢇࡔࠋᙜヱ DTN ᶵᵓ࡜ࡋ࡚ࡣࠊࣔࣂ࢖ࣝ

஢ࡍࡿࡲ࡛࡟࠿࠿ࡿ㐜ᘏࢆ㓄ᕸ᏶஢㐜ᘏ࡜࿧ࡪࠋ

࢚࣮ࢪ࢙ࣥࢺ࡟ࡼࡿ P2P ㏻ಙᶵᵓ࡛࠶ࡿ PIAX DTN

᪤Ꮡࡢ DTN ࣈ࣮ࣟࢻ࢟ࣕࢫࢺᡭἲ࡛ࡣࠊྛࣀ࣮

ࢆ⏝࠸ࡓࠋࡇࡢᣑᙇࢆ⾜࠺ᶵᵓ࡜ࡋ࡚ ROS proxy ࢆࢻࡣࠊྂ࠸᫬้࡟⏕ᡂࡉࢀࡓ࣓ࢵࢭ࣮ࢪࢆඃඛࡋ࡚

ᐇ⿦ࡋࠊྛࣟ࣎ࢵࢺࡢ master ࡜ ROS message ࢆඹ᭷㌿㏦ࡍࡿ᪉ἲࢆ⏝࠸࡚ࡁࡓࠋࡇࡢ᪉ἲࡣࠊ㢮ఝࡋࡓࡍࡿ௙᥃ࡅࢆᐇ⌧ࡋࡓࠋࡇࢀ࡟ࡼࡾࠊ」ᩘࣟ࣎ࢵࢺ

࣓ࢵࢭ࣮ࢪࢆ㞄᥋ࣀ࣮ࢻ࡜஺᥮ࡍࡿഴྥࡀᙉ࠸ࠋࡋ
ࡓࡀࡗ࡚ࠊ஺᥮ࡍ࡭ࡁ࣓ࢵࢭ࣮ࢪࡀከ࠸≧ែ࡛ࡣࠊ― 95 ―

ࣀ࣮ࢻ㛫ࡀ㏻ಙྍ⬟࡛࠶ࡿ࡟ࡶ㛵ࢃࡽࡎࠊ࣓ࢵࢭ࣮
ࢪࡢ஺᥮ࡀ⾜࡞ࢃࢀ࡞࠸≧ἣ(ᖏᇦࡢ↓㥏)ࡀከࡃ⏕ࡌࡿࠋࡇࡢࡇ࡜ࡣࠊ࣓ࢵࢭ࣮ࢪ㓄ᕸ࡟࠿࠿ࡿ㐜ᘏࡢቑ኱ࢆᣍ࠸࡚࠸ࡓࠋ
୍᪉ࠊ᪤Ꮡࡢ᪉ἲ࡜ࡋ࡚ࠊࣀ࣮ࢻ㛫࡛ಖᣢ࣓ࢵࢭ࣮
ࢪ㞟ྜࡀ㢮ఝࡋ࡞࠸ࡼ࠺ࠊ㓄ᕸ⋡ࡀప࠸࣓ࢵࢭ࣮ࢪ
ࢆඃඛࡋ࡚㑅ᢥࡍࡿ᪉ἲࡶ᳨ウࡉࢀ࡚ࡁ࡚࠸ࡿࠋࡋ
࠿ࡋࠊࡇࡢ᪉ἲ࡛ࡣࠊ᪂ࡓ࡞࣓ࢵࢭ࣮ࢪࡀⓎ⏕ࡋ⥆ࡅࡿ≧ἣ࡛ࡣ㓄ᕸ⋡ࡀ㧗࠸࣓ࢵࢭ࣮ࢪࡀࢫࢱ࣮࣋
ࢩࣙࣥ≧ែ࡜࡞ࡾࠊ࠸ࡘࡲ࡛ࡶ㌿㏦ࡉࢀ࡞࠸࡜࠸࠺
≧ἣࡀ⏕ࡌࠊ㓄ᕸ᏶஢㐜ᘏࡀቑ኱ࡋ࡚ࡋࡲ࠺ࠋ

ᅗ(6) ࡟ࡼࡿ࣓ࢵࢭ࣮ࢪ㓄ᕸືసࡇࡢၥ㢟ࢆゎỴࡍࡿࡓࡵࠊESF (Estimated Slowest
First) ࡜࿧ࡤࢀࡿࠊDTN ࣈ࣮ࣟࢻ࢟ࣕࢫࢺ࡟࠾ࡅࡿ

4.6 㞳ᩓ࢖࣋ࣥࢺᆺࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓࢺࣛ࠶ࡽࡓ࡞㌿㏦࣓ࢵࢭ࣮ࢪ㏦ಙ㡰Ỵᐃᡭἲࢆᥦ᱌ࡋࡓࠋ

ࣇ࢕ࢵࢡ࢚ࣥࢪࢽ࢔ࣜࣥࢢ

ESF ࡛ࡣࠊ࣓ࢵࢭ࣮ࢪࡢ㓄ᕸ⋡ࢆ᥎ᐃࡋࠊ࣓ࢵࢭ࣮኱つᶍ⅏ᐖⓎ⏕᫬࡟࠾࠸࡚ࡣ㏻ಙࢣ࣮ࣈࣝࡸ㏻ಙࢪࡢ⏕ᡂ࠿ࡽࡢ⤒㐣᫬㛫࡟ᑐࡍࡿ㓄ᕸ⋡ࡢ኱ࡁࡉࡀ

ᶵჾࡢ႙ኻ࡟ࡼࡾࣂࢵࢡ࣮࣎ࣥࢿࢵࢺ࣮࣡ࢡࡢࢺ࣏

ᑠࡉ࠸ࡶࡢࠊࡍ࡞ࢃࡕࠊ᭱ࡶ㓄ᕸ㏿ᗘࡀ㐜࠸ࡶࡢࢆࣟࢪࡀኚ໬ࡍࡿࠋ࣐ࣝࢳ࣮࣒࣍⎔ቃ࡟࠾࠸࡚ࡣࠊࡇ

ඃඛࡋ࡚࣓ࢵࢭ࣮ࢪ஺᥮ࢆ⾜࡞࠺ࠋࡇࢀ࡟ࡼࡾࠊᥦ

ࡢኚ໬࡟ᑐࡋ࡚ᣐⅬ㛫ࡢࢿࢵࢺ࣮࣡ࢡရ㉁ィ

᱌ᡭἲࡣ⤒㐣᫬㛫ࡀྠࡌ࣓ࢵࢭ࣮ࢪ㛫ࡢẚ㍑࡛ࡣ㓄࡜࡟࣮ࣘࢨഃ࡛ࢺࣛࣇ࢕ࢵࢡ࢚ࣥࢪࢽ࢔ࣜࣥࢢࢆ⾜ᕸ⋡ࡀప࠸࣓ࢵࢭ࣮ࢪࡀඃඛࡋ࡚㑅ᢥࡉࢀࡿ࡜࡜ࡶ

࠺ࡇ࡜ࡀồࡵࡽࢀࡿࠋᐃᖖⓗ࡟ᣐⅬ㛫࡛⾜ࢃࢀࡿィ࡟ࠊ㓄ᕸ⋡ࡀྠࡌ࣓ࢵࢭ࣮ࢪ㛫ࡢẚ㍑࡛ࡣ⤒㐣᫬㛫࠿ࡽᚓࡽࢀࡿ⤫ィ᝟ሗࢆࡶ࡜࡟ࠊ㞳ᩓ࢖࣋ࣥࢺᆺ

ࡀ኱ࡁ࡞࣓ࢵࢭ࣮ࢪࡀඃඛࡋ࡚㑅ᢥࡉࢀࠊᖹᆒ㓄ᕸࢩ࣑࣮ࣗࣞࢱࢆ⏝࠸࡚ࠊࢺࣛࣇ࢕ࢵࢡࢆ๭ࡾᙜ࡚ࡿ

㐜ᘏ࡜㓄ᕸ᏶஢㐜ᘏࢆᢚ࠼ࡿࡇ࡜ࡀ࡛ࡁࡿࠋ

⤒㊰ࢆỴᐃࡍࡿ࢔ࣝࢦࣜࢬ࣒ࢆ⪃᱌ࡋࡓࠋ⤒㊰ࢆษࢆࡶ౛࠼ࡤࠊᅗ ࡣࠊࣀ࣮ࢻ N1 ࡀ⛣ືࡋ࡞ࡀࡽ࣓ࢵ

ࡾ᭰࠼ࡓᚋࡢࢿࢵࢺ࣮࣡ࢡ≧ែࢆࢩ࣑࣮ࣗࣞࢩࣙࣥ

ࢭ࣮ࢪࢆ㓄ᕸࡍࡿᵝᏊࢆ⾲ࡋ࡚࠸ࡿࠋ⤒㐣᫬㛫ࡀఝ࡟ࡼࡾホ౯ࡋࠊࡼࡾ㧗࠸ホ౯್ࢆᚓࡿ⤒㊰⤌ࡳྜࢃ࡚࠸ࡿ࣓ࢵࢭ࣮ࢪ㛫࡛ࡣ㓄ᕸ⋡ࡀప࠸ࡶࡢࡀඃඛࡉ

ࡏ࡟ษࡾ᭰࠼ࡿࡇ࡜ࡀ࡛ࡁࡿࠋࡑࡢࡓࡵࠊ኱つᶍ⅏ࢀࠊ㓄ᕸ⋡ࡀఝ࡚࠸ࡿ࣓ࢵࢭ࣮ࢪྠኈ࡛ࡣ⤒㐣᫬㛫ᐖ࡟ࡼࡿ㞀ᐖ⠊ᅖࢆணࡵ」ᩘ᝿ᐃࡋ࡚ࠊᐇ㝿࡟Ⓨ⏕ࡀඃඛࡉࢀࡿࠋ

ࡍࡿ⅏ᐖつᶍ࡟ᛂࡌ࡚㧗㏿࡟⤒㊰ษࡾ᭰࠼ࢆ⾜࠺ࡇᮏᥦ᱌ᡭἲࡣࢩ࣑࣮ࣗࣞࢩࣙࣥ࡟ࡼࡾຠᯝࢆ☜ㄆ࡜ࡀྍ⬟࡛࠶ࡿࠋSINET4 ࠾ࡼࡧ JGN-X ࢆ⏝࠸ࡓ᳨ࡋ࡚࠾ࡾࠊΰ㞧≧ἣ࡟࠶ࡿ㛢✵㛫ࡢ DTN ࡟࠾࠸࡚ࠊ

ドᐇ㦂ࢆ⾜ࡗ࡚࠸ࡿ࡯࠿ࠊStarBED ࢆ⏝࠸ࡓ㧗㏿ホ

㓄ᕸ᏶஢㐜ᘏࢆ 46% ๐ῶ࡛ࡁࡿࡇ࡜ࢆ☜ㄆࡋ࡚࠸౯ィ⟬ࠊOpenFlow ࢆ⏝࠸ࡓ⣽ࡸ࠿࡞⢏ᗘࡢࣇ࣮ࣟไ

ࡿࠋᚚࡢᐇ⌧ࢆ᥎㐍ࡋ࡚࠸ࡿࠋ

㛵㐃Ⓨ⾲ㄽᩥ

㛵㐃Ⓨ⾲ㄽᩥ

(1) ⃝ᮧ㞝௓, ᑎす⿱୍, ᫓ᮏせ, すᑿ❶἞㑻, “DTN

(1) Kashiwazaki Hiroki, “An adaptive approach forࣈ࣮ࣟࢻ࢟ࣕࢫࢺ࡟࠾ࡅࡿ㓄ᕸ㐜ᘏ๐ῶࡢࡓࡵ

network traffic load balancing by using one-wayࡢ࣓ࢵࢭ࣮ࢪ㏦ಙ㡰ࢫࢣࢪ࣮ࣗࣜࣥࢢᡭἲ࡟㛵

delay”, in Proceedings of 2012 IEEE/IPSJ 12thࡍࡿ୍⪃ᐹ”, ➨ 5 ᅇࢹ࣮ࢱᕤᏛ࡜᝟ሗ࣐ࢿࢪ࣓

International Symposium on Applications and theࣥࢺ࡟㛵ࡍࡿࣇ࢛࣮࣒ࣛ(DEIM 2013) ㄽᩥ㞟Internet (SAINT), pp. 345–350, 2012.

(F1-4), March 2013.

― 96 ―

(2) ᯽ᓮ♩⏕, 㧗஭ᫀᙲ, “࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ
⥙࡟࠾ࡅࡿᗈᖏᇦᫎീ㓄ಙࡢࡓࡵࡢ㐺ᛂⓗࢺࣛࣇ࢕ࢵࢡ࢚ࣥࢪࢽ࢔ࣜࣥࢢ”, ᝟ሗฎ⌮Ꮫ఍ㄽᩥㄅ, vol. 54, no. 1, pp. 404–413, January 2013.
4.7 ࢡࣛ࢘ࢻࢆ⏝࠸ࡓࢿࢵࢺ࣮࣡ࢡࢥࣥࣆ࣮ࣗࢸ࢕
ࣥࢢࡢ◊✲㛤Ⓨ
4.7.1 ᗈᇦศᩓࢫࢺ࣮ࣞࢪࢆ⏝࠸ࡓ Inter Academic
Cloud ࡢᵓ⠏⅏ᐖᅇ᚟(Disaster Recovery: DR)ࢆᐇ⌧ࡍࡿࡓࡵ࡟
኱Ꮫ࡛ࡣᵝࠎ࡞ྲྀࡾ⤌ࡳࡀ⾜ࢃࢀ࡚࠸ࡿࠋ㐲㝸ᆅ࡟ᅗ'5ࡢᇶ┙࠶ࡿࢹ࣮ࢱࢭࣥࢱ࣮࡟ࣂࢵࢡ࢔ࢵࣉࢧ࢖ࢺ࠶ࡿ࠸ࡣ
࣍ࢵࢺࢧ࢖ࢺࢆᵓ⠏ࡍࡿ஦౛ࡀ࠶ࡿࡀ୍ᣐⅬࡢࡳ࡛

4.7.2 ᫎീࢯࣇࢺࢆ฼⏝ࡋࡓ኱つᶍ࣓ࢱࢹ࣮ࢱᇶ┙ࡣಙ㢗ᛶ࡟ஈࡋࡃࠊࡲࡓ኱Ꮫࡀせồࡍࡿㄽ⌮ⓗ࣭≀ࡢᵓ⠏⌮ⓗࢭ࢟ࣗࣜࢸ࢕ࢆᐇ⌧ࡍࡿࢥࢫࢺࡢၥ㢟ࡀ࠶ࡿࠋ㧗ゎീᗘ໬ࡋከࢳࣕࣥࢿࣝ໬ࡍࡿࢸࣞࣅᫎീࡸࠊ

⩻ࡋ࡚ゝ࠼ࡤࠊྛ኱Ꮫࡀಖ᭷ࡍࡿ᝟ሗࢭࣥࢱ࣮ࡣ༑

ᐃᖖⓗ࡟࣮ࣜࣜࢫࡉࢀ⥆ࡅࡿ Blu-ray Disc ࢯࣇࢺࡣࠊ

ศ࡞ㄽ⌮ⓗ࣭≀⌮ⓗࢭ࢟ࣗࣜࢸ࢕ࢆᐇ⌧ࡋ࡚࠸ࡿࢃ

⭾኱࡞㔞࡜ከᵝᛶࢆࡶࡗ࡚࣮ࣜࣜࢫࡉࢀ⥆ࡅ࡚࠸ࡿࠋ

ࡅ࡛ࠊྛ኱Ꮫࡀィ⟬ᶵ㈨※ࢆᥦ౪ࡋྜ࠺ࡇ࡜࡛ᗈᇦ

ᫎീ࡟ࡣᏐᖥ࡞࡝ࡢ⏬ീㄒᙡ᝟ሗࠊࢼ࣮ࣞࢩࣙࣥࡸ

ศᩓࢡࣛ࢘ࢻ⎔ቃࢆᵓ⠏ࡍࡿࡇ࡜࡟ࡼࡾࠊồࡵࡽࢀྎモ࡞࡝ࡢ㡢ኌㄒᙡ᝟ሗࡀྵࡲࢀ࡚࠸ࡿࡀࠊ୍ḟ᝟ࡿ᝟ሗᶵᐦᛶࢆ‶㊊ࡍࡿ⪏㞀ᐖᛶࡢ㧗࠸᝟ሗࢩࢫࢸ

ሗ※࠿ࡽࡇࢀࡽࡢ᝟ሗࡀᥦ౪ࡉࢀࡿࡇ࡜ࡣ⛥࡛࠶ࡾࠊᅗ㸧ࠋ࣒ᇶ┙ࢆపࢥࢫࢺ࡛ᐇ⌧ࡍࡿࡇ࡜ࡀ࡛ࡁࡿ㸦ᅗࡲࡓᥦ౪ࡉࢀࡿ᝟ሗࡢṇ☜ࡉࡣಖドࡉࢀ࡚࠸࡞࠸ࠋ

ࡇࢀࢆᐇ⌧ࡍࡿࡓࡵࡢ㧗㏿ࣛࣥࢲ࣒࢔ࢡࢭࢫศᩓࢫ

ࢡࣛ࢘ࢻࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢ⎔ቃࢆ⏝࠸࡚ࠊ኱㔞ࡢࢺ࣮ࣞࢪᢏ⾡ࠊࢺࣛࣇ࢕ࢵࢡ࢚ࣥࢪࢽ࢔ࣜࣥࢢࠊ

ᫎീ࠿ࡽ OCR ࡜㡢ኌㄆ㆑࡟ࡼࡾㄒᙡ᝟ሗࢆ୪ิฎ

OpenAPI ࢆ⏝࠸ࡓ࣊ࢸࣟࣁ࢖ࣃ࣮ࣂ࢖ࢨ⎔ቃ࡛ࡢ㐠⌮࡛ᢳฟࡋࠊᫎീࡢ࣓ࢱ᝟ሗ࡜ࡋ࡚࣐ࢵࣆࣥࢢࡍࡿࠋ

⏝ᢏ⾡ࠊࢩ࣮࣒ࣞࢫ࡞᥋⥆ᛶ☜ಖࡢᢏ⾡㛤Ⓨࢆࡑࢀࡲࡓࠊࢡࣛ࢘ࢻࢯ࣮ࢩࣥࢢࢆ⏝࠸࡚ᢳฟࡉࢀࡓ᝟ሗ

ࡒࢀ᥎㐍ࡋ࡚࠸ࡿࠋࢆ᳨ドࡍࡿࠋࡼࡾ⢭ᗘࡢ㧗࠸᳨ドࢆᐇ⌧ࡍࡿࡓࡵ࡟
ᑕᖾᚰࢆ↽ࡿ࣮ࣘࢨ࢖ࣥࢱ࣮ࣇ࢙࢖ࢫࢆᥦ౪ࡍࡿ

㛵㐃Ⓨ⾲ㄽᩥ
(1) ᯽ᓮ♩⏕, ㏆ᇽᚭ, ໭ཱྀၿ᫂, ᴋ⏣཭ᙪ, ኱἟ၿ㸦ᅗᅗ㸧ࠋ

ᮁ, ୰ᕝ㑳ኵ, ᕷᕝᪿᖹ, Ჷᮅ㞞ᬕ, 㧗஭ᫀᙲ,㜿㒊ಇ஧, ᶓᒣ㔜ಇ, ୗᲄ┿ྖ, “ᗈᇦศᩓࢫࢺ࣮ࣞࢪ᳨ド⎔ቃ࡟࠾ࡅࡿ I/O ᛶ⬟ホ౯”, ᝟ሗฎᅗ ኱つᶍ࣓ࢱࢹ࣮ࢱᇶ┙⌮Ꮫ఍ IOT ➨ 20 ᅇ◊✲఍, March 2013.
(2) ୰ᕝ㑳ኵ, ᴋ⏣཭ᙪ, ໭ཱྀၿ᫂, ㏆ᇽᚭ, ᯽ᓮ♩⏕, ᕷᕝᪿᖹ, ୗᲄ┿ྖ, ͆኱Ꮫ㛫㐃ᦠ࡟ࡼࡿ㡹ᙉ࡞ᗈᇦศᩓࢹ࣮ࢱᇶ┙࢔࣮࢟ࢸࢡࢳࣕࡢᥦ᱌͇,㛵㐃Ⓨ⾲ㄽᩥ
(1) ᯽ᓮ♩⏕, “ᫎീ࢔࣮࢝࢖ࣈࢫࢆ฼⏝ࡋࡓ኱つᶍ᝟ ሗ ฎ ⌮ Ꮫ ఍ IOT ➨ 20 ᅇ ◊ ✲ ఍ , vol.
2013-IOT-20, no. 20,March 2013.

࣓ࢱࢹ࣮ࢱᇶ┙ࡢᵓ⠏”, ᖹᡂ 24 ᖺᗘࠕிࠖࢆ୰
᰾࡜ࡍࡿ HPCI ࢩࢫࢸ࣒฼⏝◊✲ㄢ㢟୰㛫ሗ࿌఍, March 2013.

― 97 ―

4.7.3 ࢫ࣮ࣔࣝࢫࢱ࣮ࢺ࡟ࡼࡿ௬᝿໬ᇶ┙࣭ࣉࣛ࢖ὶయ㡢㡪㐃ᡂィ⟬ᢏ⾡ࡢ㛤Ⓨࠊ㉸㛗㊥㞳㛫㧗㏿ࢹ࣮࣮࣋ࢺࢡࣛ࢘ࢻࡢᵓ⠏ᢏ⾡ࢱ㌿㏦ᢏ⾡࣭ࢹ࣮ࢱඹ᭷ᢏ⾡ࡢ◊✲㛤Ⓨࠊ࡞ࡽࡧ࡟

᝟ሗࢩࢫࢸ࣒ࢆ௬᝿໬ࡍࡿࡇ࡜࡟ࡼࡾ㧗ྍ⏝ᛶࢆྍど໬ࣞࣥࢲࣜࣥࢢᢏ⾡ࡢ◊✲㛤Ⓨ࡛࠶ࡾࠊ௚᪉ࠊ

ᐇ⌧ࡍࡿ௬᝿໬ᇶ┙ࡢᵓ⠏ࡀᵝࠎ࡞⤌⧊࡛⾜ࢃࢀ࡚ᦶ᧿㡢ࡢᩘ್ィ⟬⤖ᯝࡢ≀⌮ᐇ㦂࡟ࡼࡿ⢭ᗘ᳨ドࠊ࠸ࡿࠋ᝟ሗࢩࢫࢸ࣒ࡢ௬᝿໬࡟ࡣࠊᑗ᮶ⓗ࡟᝟ሗࢩ㉸㛗㊥㞳㛫ࢿࢵࢺ࣮࣡ࢡᖏᇦไᚚ࣭ᛶ⬟ ᐃࡢ◊✲ࢫࢸ࣒ࢆࣃࣈࣜࢵࢡࢡࣛ࢘ࢻୖ࡛ືసࡉࡏࡿࡇ࡜࡟

㛤Ⓨࠊ࡞ࡽࡧ࡟ྍど໬⤖ᯝࡢ⾲♧ᢏ⾡ࡢ◊✲㛤Ⓨࢆࡼࡿࢥࢫࢺపῶࢆᅗࡿࡇ࡜ࡀᮇᚅ࡛ࡁࡿࡀࠊ௬᝿໬

ࣇࣛࣥࢫࡢ◊✲ࢢ࣮ࣝࣉࡀᢸᙜࡍࡿࠋᮏ✏࡛ࡣࠊึᇶ┙࠶ࡿ࠸ࡣࣉࣛ࢖࣮࣋ࢺࢡࣛ࢘ࢻᵓ⠏ࡢ࢖ࢽࢩࣕ

ࡵ࡟᪥௖◊✲஺ὶࡢせ࡛࠶ࡿࠊࢿࢵࢺ࣮࣡ࢡࢸࢫࢺ

ࣝࢥࢫࢺࡀ⫧኱໬ࡍࡿ࡜ࠊࣛࣥࢽࣥࢢࢥࢫࢺࡢపῶ

࣋ࢵࢻ࡟ࡘ࠸࡚ㄝ᫂ࡋࠊᗈᇦ VPN ୖࡢ኱つᶍࢹ࣮ࢱ࡟ࡼࡿࢥࢫࢺ࣓ࣜࢵࢺࡣኻࢃࢀ࡚ࡋࡲ࠺ࠋࡑࡇ࡛ᮏ

ඹ᭷ᢏ⾡ࡢᐇドホ౯࡜ࡋ࡚ Gfarm ࢆ⏝࠸ࡓᗈᇦศᩓ

◊✲࡛ࡣ௬᝿໬ᇶ┙࣭ࣉࣛ࢖࣮࣋ࢺࢡࣛ࢘ࢻࡢᵓ⠏ࣇ࢓࢖ࣝࢩࢫࢸ࣒ࡢᐇドᐇ㦂ィ⏬࡟ࡘ࠸࡚㏙࡭ࡿࠋ

࡟ᚲせ࡞ィ⟬ᶵࣜࢯ࣮ࢫࡢホ౯ᣦᶆࢆ᳨ウࡋࠊຠ⋡ᮏᏛࠊNIIࠊி㒔኱ᏛࠊINRIA (Lyon, Grenoble) ࢆ࣭ቑᙉ࣭㐠⏝ࢧ࢖ࢡࣝࡢホ౯ࢆ⾜࠺ࠋᐇ㝿⧅ࡄࢿࢵࢺ࣮࣡ࢡࢸࢫࢺ࣋ࢵࢻ㸦௨ୗࠊPetaFlow ࢿࢵ࡟ᑠつᶍ኱Ꮫ࡟࠾࠸࡚ࡇࡢᡭἲ࡟ࡼࡿᵓ⠏ࢆ⾜࠺ࡇࢺ࣮࣡ࢡ࡜࿧ࡪ㸧ࡢᴫせࢆᅗᅗ ࡟♧ࡍࠋPetaFlow

࡜࡛ࠊࡑࡢᡭἲࡢ᭷ຠᛶࢆ♧ࡋࡓࠋࢿࢵࢺ࣮࣡ࢡࡣࠊSINET4ࠊJGN-XࠊMAN LANࠊⓗ࡞ィ

GEANTࠊRENATER ࡢ༠ຊࡢࡶ࡜࡟ࠊᅜෆ 3 ᣐⅬ࡜㛵㐃Ⓨ⾲ㄽᩥ
(1) ᯽ᓮ♩⏕, “ࢫ࣮ࣔࣝࢫࢱ࣮ࢺ࡛ጞࡵࡿ኱Ꮫࡢ௬
᝿໬ᇶ┙ࡢᵓ⠏࡜㐠⏝ࡢᐇ᝟”, ࢖ࣥࢱ࣮ࢿࢵࢺ
࡜㐠⏝ᢏ⾡ࢩ࣏ࣥࢪ࣒࢘ 2012 ㄽᩥ㞟, vol. 2012,
pp. 94–101, December 2012.
(2) Hiroki Kashiwazaki, “Practical uses of cloudcomputing services in a japanese university of thearts against aftermath of the 2011 tohoku earthquake”,
in Proceedings of the 40th annual ACM SIGUCCS
conference, pp. 49–52, New York, NY, USA, ACM,
pp. 49–52, 2012.

ࣇࣛࣥࢫࡢ 2 ᣐⅬࢆ⤖ࡪࢿࢵࢺ࣮࣡ࢡ࡛࠶ࡿࠋࡇࢀ
ࡣ SINET4 ࡢ L2VPN ࢧ࣮ࣅࢫ࡜ࡋ࡚ࠊ4 ᣐⅬࡢ࣮ࣝࢱࢆᮾிࢹ࣮ࢱࢭࣥࢱ࣮ (DC) ࡟࡚ VPLS ᥋⥆ࡋ࡚࠸ࡿࠋ࣮ࣚࣟࢵࣃ࡜ࡢ᥋⥆࡟ࡣࠊSINET4 ࡢᅜ㝿ᅇ⥺ࢆ฼⏝ࡋ࡚࠾ࡾࠊᮾி DC ࠿ࡽ New York ⤒⏤࡛᥋⥆ࡉࢀ࡚࠸ࡿࠋNII ࡜ி㒔኱Ꮫࡣ SINET ᅇ⥺ࢆ฼⏝ࡋࠊᮏᏛ࡛ࡣ JGN-X ᅇ⥺ࢆ฼⏝ࡋ࡚࠸ࡿࠋࣂࢵࢡ
࣮࣎ࣥࢿࢵࢺ࣮࣡ࢡࡣᑡ࡞ࡃ࡜ࡶ 10Gpbs ࡢ㏻ಙ㏿ᗘࡀᢸಖࡉࢀ࡚࠸ࡿࡀࠊ⌧ᅾࡢ࡜ࡇࢁࢿࢵࢺ࣮࣡ࢡ
ࡢᖏᇦ☜ಖࡣࡋ࡚࠾ࡽࡎࠊᇶᮏⓗ࡟࣋ࢫࢺ࢚ࣇ࢛࣮
ࢺ࡛࠶ࡿࠋࡲࡓࠊி㒔኱Ꮫࢆ㝖ࡁࠊྛᣐⅬࡢ࣮ࣝࢱ

4.8 ㉸㛗㊥㞳㛫㧗㏿ࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡿ࣌ࢱࢫࢣ࣮
࣭ࣝࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢ
JST ᡓ␎ⓗᅜ㝿⛉Ꮫᢏ⾡༠ຊ᥎㐍஦ᴗࠕ᪥௖◊✲஺ὶࠖୖẼ㐨Ẽὶゎᯒ࡬ࡢ࣮࢟ࢸࢡࣀࣟࢪ࣮㸸㉸㛗㊥㞳㛫㧗㏿ࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡿ࣌ࢱࢫࢣ࣮࣭ࣝࢥࣥ
ࣆ࣮ࣗࢸ࢕ࣥࢢ㸦௨ୗࠊPetaFlow ࣉࣟࢪ࢙ࢡࢺ࡜ࡼ
ࡪ㸧࡜ࡣࠊᮏᏛࠊᅜ❧᝟ሗᏛ◊✲ᡤ (NII)ࠊி㒔኱
ᏛࠊINRIAࠊGrenoble ኱Ꮫࡢ◊✲⪅ࡀཧຍࡋ࡚࠸ࡿ
᪥௖ඹྠ◊✲஦ᴗ࡛࠶ࡾࠊୖẼ㐨Ẽὶゎᯒࢆᑐ㇟࡜ࡋࡓ኱つᶍᩘ್ィ⟬ࡸྍど໬ࢆ࣌ࢱࢫࢣ࣮ࣝ࡟࡚ᐇ
᪋ࡍࡿ㝿࡟⏕ࡌࡿ✀ࠎࡢၥ㢟ࡢゎỴࢆ┠ᣦࡍࡶࡢ࡛
࠶ࡿࠋ᪥ᮏࡢ◊✲ࢢ࣮ࣝࣉࡢ◊✲ࢸ࣮࣐ࡣࠊ኱つᶍ࠿ࡽྛィ⟬㈨※࡜ࡢ᥋⥆ࡣ 1Gbps ࡢ࢖ࣥࢱ࣮ࣇ࢙࢖
ࢫ࡛᥋⥆ࡉࢀ࡚࠸ࡿࠋி㒔኱Ꮫ࡛ࡣྍど໬ࢩࢫࢸ࣒
ࡲ࡛ 10Gpbs ࢖ࣥࢱ࣮ࣇ࢙࢖ࢫ࡛᥋⥆ࡉࢀ࡚࠸ࡿࠋ
ᮏᖺᗘࡣࠊ᫖ᖺᗘ࡟ᘬࡁ⥆ࡁ PetaFlow ࢿࢵࢺ࣮࣡
ࢡࢆᏳᐃࡉࡏࡿࡇ࡜࡟ຊࢆὀ࠸ࡔࠋ≉࡟ࠊࢿࢵࢺ࣮࣡
ࢡࡣ᥋⥆ࡉࢀ࡚࠸ࡿࡶࡢࡢࠊᙜึ᝿ᐃࡋ࡚࠸ࡓᛶ⬟ࡀᚓࡽࢀ࡚࠸࡞࠸ࠋࡇࢀࡣඹ᭷ࣜࣥࢡࢆ⏝࠸࡚ VPN
ࢆᵓᡂࡋ࡚࠸ࡿࡓࡵ࡛࠶ࡾࠊ࣎ࢺࣝࢿࢵࢡࣜࣥࢡࡢⓎぢ࡜ᑐᛂࢆ⾜ࡗࡓࠋ㐃ᦠ㛵ಀᶵ㛵ࡀᗈᇦ࡟ࢃࡓࡿ
ࡓࡵ࡟ࠊཎᅉ✲᫂࡟᫬㛫ࡀ࠿࠿ࡗ࡚࠸ࡿࠋࡲࡓࠊ
PetaFlow ࢿࢵࢺ࣮࣡ࢡࡣᐇ㦂ࢿࢵࢺ࣮࣡ࢡ࡜ࡋ࡚ᵓ
⠏ࡋࠊ௚ࡢࢿࢵࢺ࣮࣡ࢡ࡜⤒㊰஺᥮ࢆ⾜ࡗ࡚࠸࡞࠸

― 98 ―ࡓ ࡵ ࠊ PetaFlow ࢿ ࢵ ࢺ ࣡ ࣮ ࢡ ࡬ ᥋⥆ ࡍ ࡿ ࡓ ࡵࡢࡢࢫ࣮ࣝࣉࢵࢺࡢ┦㛵ࡢᅇᖐ᭤⥺ࢆᚓࡿࠋࡑࡢ᭤⥺Gateway ࣐ࢩࣥࢆᅜ❧᝟ሗᏛ◊✲ᡤෆ࡟タ⨨ࡋࡓࠋ࡜ᑠᐜ㔞ࡢࣉ࣮ࣟࣈ㌿㏦ࡢ⤖ᯝ࠿ࡽࠊ࠸ࡲࢹ࣮ࢱ㌿ḟ࡟ࠊࣇࣛࣥࢫ INRIA ࡢࢧ࣏࣮ࢺ࡜ࡋ࡚ࠊࣃࢣࢵ

㏦ࢆ⾜ࡗࡓሙྜ࡟࡝ࢀࡃࡽ࠸ࡢࢫ࣮ࣝࣉࢵࢺࡀᚓࡽ

ࢺࣔࢽࢱࣜࣥࢢ࡟ࡼࡿࢿࢵࢺ࣮࣡ࢡィ ࢩࢫࢸ࣒ࡢ

ࢀࡿ࠿ࢆண ࡍࡿࠋSVR ࡟ᇶ࡙ࡃᡭἲࡣࠊᚑ᮶ࡢ⣼ᵓ⠏ࢆ⾜ࡗࡓࠋGPS ࡟ࡼࡿ᫬้ྠᮇࢆ⾜࠸ࠊࣃࢣࢵ

✚ศᕸ㛵ᩘ(CDF)ࢆᅇᖐ᭤⥺࡟⏝࠸ࡿ᪉ἲ࡟ẚ࡭࡚ࢺࡢ࢟ࣕࣉࢳࣕ࡜ࣔࢽࢱࣜࣥࢢ࡟ࡼࡾ฼⏝ᖏᇦࢆ⢭ᗘࡀඃࢀ࡚࠸ࡿࡇ࡜ࢆ࢖ࣥࢱ࣮ࢿࢵࢺୖࡢᐇᐃ ࡍ ࡿࡓ ࡵࡢ ࢩ ࢫࢸ ࣒ࢆ ᵓ ⠏ࡋ ࡓࠋᯝ࡟ᇶ࡙ࡃࢩ࣑࣮ࣗࣞࢩ࡛ࣙࣥ☜ㄆࡋࡓࠋ

ᐃᑐ ㇟ࡣ

⤖

PetaFlow ࣉࣟࢪ࢙ࢡࢺ࡛฼⏝ࡋ࡚࠸ࡿࢡࣛࢫࢱࢩࢫ

ࡲࡓ௒ᖺᗘࡣࠊSVR ࡟ᇶ࡙ࡃࢫ࣮ࣝࣉࢵࢺண

ࢸ࣒࡛࠶ࡾࠊ᪥௖㛫࡛࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡞࡝ࡢࢿࢵ

⢭ᗘྥୖࡀࠊᗈᇦ⎔ቃ࡟࠾ࡅࡿࢹ࣮ࢱ࢖ࣥࢸࣥࢩࣈ

ࢺ࣮࣡ࢡ฼⏝ᖏᇦࢆィࢱࢫࢡࡢ࣓ࢱࢫࢣࢪ࣮ࣗࣜࣥࢢᛶ⬟ࡢྥୖ࡟࡝ࡢࡼ

ࡋ࡚࠸ࡿࠋࡇࢀࡽࢆᖏᇦண

⣙ࡸࢫࢣࢪ࣮ࣗࣜࣥࢢ࡟཯ᫎࡉࡏࡿࠋ

ࡢ࠺࡟ᐤ୚ࡋᚓࡿ࠿ࢆㄪ࡭ࡿࡓࡵ࡟ࢩ࣑࣮ࣗࣞࢩࣙࣥ
ࢆᐇ᪋ࡋࠊࢫ࣮ࣝࣉࢵࢺண ᡭἲࢆ⏝࠸࡞࠸ሙྜ࡟
ẚ࡭ࠊSVR ࡟ࡼࡿண ࢆᑟධࡍࡿࡇ࡜࡛᭱኱ 13.3%
ࡢᛶ⬟ྥୖࡀᚓࡽࢀࡓࠋࡲࡓࠊSVR ࡟ࡼࡿணࢆᑟධࡍࡿࡇ࡜࡟ࡼࡗ࡚ࠊCDF ࡟ẚ࡭࡚᭷ព࡞ᛶ⬟ྥୖࡀᚓࡽࢀࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋᮏᡂᯝࡣᅜ㝿఍㆟࡛ࡢⓎ⾲࡟ྥࡅ࡚⌧ᅾᢞ✏୰࡛࠶ࡿࠋ
㛵㐃Ⓨ⾲ㄽᩥ
ᅗ3HWD)ORZ ࢿࢵࢺ࣮࣡ࢡ

(1) Chunghan Lee, Hirotake Abe, Toshio Hirotsu andKyoji Umemura. “Analytical Modeling of Network㛵㐃Ⓨ⾲ㄽᩥ

Throughput Prediction on the Internet”, IEICE(1) Kazunori Nozaki, Hiroyuki Ohsaki, Masao Tanaka,

TRANSACTIONS on Information and Systems,

Annemie Van Hirtum and Eisaku Sakane, “Strategic
optimization of computation nodes allocation in acoupled simulation: Computational fluid dyanmics

Vol.E95-D, No.12, pp.2870-2878, December 2012.
(2) Chunghan Lee, Hirotake Abe, Toshio Hirotsu andKyoji Umemura. Recent Empirical Evaluation ofand aero acoustic simulations”, in Proceedings of theAggregate Throughput using Parallel Transfers on

Third workshop on High-Speed Network andthe Internet. ᝟ሗฎ⌮Ꮫ఍ࢥࣥࣆ࣮ࣗࢱࢩࢫࢸ

Computing Environment (HSNCE2012), pp. 211–214,࣒࣭ࢩ࣏ࣥࢪ࣒࢘ㄽᩥ㞟, Vol.2012, pp.53-58, 2012

July 2012.

ᖺ 11 ᭶.

4.9 ᗈᇦศᩓ࢔࣮࢝࢖ࣂࣝࢫࢺ࣮ࣞࢪࢩࢫࢸ࣒࡟㛵(3) Chunghan Lee, Hirotake Abe, Toshio Hirotsu andKyoji Umemura, “Performance Implications of Task

ࡍࡿ◊✲

Scheduling by Predicting Network Throughput on௒ᖺᗘࡣ≉࡟ᗈᇦࢿࢵࢺ࣮࣡ࢡୖ࡛ࡢࢹ࣮ࢱ㌿㏦᫬ࡢࢫ࣮ࣝࣉࢵࢺண

the Internet”, submitted for presentation.

࡟ὀຊࡋࡓࠋࡲࡎࠊ᫖ᖺᗘࡼ

ࡾ⾜࡞ࡗ࡚࠸ࡓࠊSupport Vector Regression (SVR) ࡟ᇶ࡙ࡃࢫ࣮ࣝࣉࢵࢺண

ᡭἲࢆㄽᩥ࡟ࡲ࡜ࡵࠊࡑࡢ

ㄽᩥࡀ㟁Ꮚ᝟ሗ㏻ಙᏛ఍ࡢⱥᩥㄽᩥㄅ D ࡟ᥖ㍕ࡉࢀࡓࠋࡇࡢᡭἲࡣࠊᑠᐜ㔞ࡢࣉ࣮ࣟࣈ㌿㏦࡜኱ᐜ㔞ࡢࢹ࣮ࢱ㌿㏦ࢆྠ᫬࡟⾜ࡗࡓሙྜࡢ⤖ᯝࢆ཰㞟ࡋࠊ

4.10 ⏕యศᏊࢩࢫࢸ࣒ࡢ⌮ゎࡢࡓࡵࡢࣔࢹࣜࣥࢢ
࡜ࢩ࣑࣮ࣗࣞࢩࣙࣥ
๓ᖺᗘ࡟ᘬࡁ⥆ࡁࠊศᏊ࣮ࣔࢱ࣮࡛࠶ࡿ࣑࢜ࢩࣥ
ࡸࠊ⣽⬊㦵᱁ᵓᡂࢱࣥࣃࢡ࡛࠶ࡿ࢔ࢡࢳࣥࢆᑐ㇟࡜

SVR ࢆ⏝࠸࡚ࣉ࣮ࣟࣈ㌿㏦࡜ࢹ࣮ࢱ㌿㏦ࡑࢀࡒࢀ
― 99 ―

ࡋࠊࡑࡢຊᏛⓗ≉ᚩ࡜ືస࣓࢝ࢽࢬ࣒ࢆ᫂ࡽ࠿࡟ࡍ

ࢹ࢕࢔సရࡢ≀ㄒࢆ⌮ゎࡋ࡞ࡀࡽ㐍ࡵࡿࢤ࣮࣒ᩍᮦ

ࡿࡇ࡜ࢆ┠ᣦࡋࡓࠋ

ࡶከ࠸ࡀࠊእᅜㄒᏛ⩦࡟㝈ࡽࢀỗ⏝ᛶࡀప࠸ࠋࡇࢀ

࢔ࢡࢳࣥศᏊࡣࠊ༢య࡛Ꮡᅾࡍࡿ᫬࡜ࠊ㔜ྜࡋ࡚ࡽࡣ㠀ᖖ࡟㔜せ࡞ᡂᯝ࡛࠶ࡿࡀࠊᮏ✏࡛ࡣࡼࡾ㨩ຊࣇ࢕࣓ࣛࣥࢺࢆᵓᡂࡋࡓ᫬࡜࡛ᵓ㐀ࡀ␗࡞ࡿࡇ࡜ࡀ

ⓗ࡛ࡼࡾỗ⏝ᛶࡢ㧗࠸ e ࣮ࣛࢽࣥࢢᩍᮦࢆ┠ᣦࡋ࡚ࠊ▱ࡽࢀ࡚࠸ࡿࠋࡉࡽ࡟ࠊࡑࢀࡒࢀࡀᵓ㐀ࡢ␗࡞ࡿ」ࢥࣥࣆ࣮ࣗࢱࢤ࣮࣒ࢆ e ࣮ࣛࢽࣥࢢᩍᮦ࡟ࡼࡾᮏ㉁ᩘࡢ≧ែࢆྲྀࡿࡇ࡜㸦ືⓗᵓ㐀ከᙧᛶ㸧ࡶሗ࿌ࡉࢀ

ⓗ࡟ྲྀࡾධࢀࡓࢤ࣮࣒ᩍᮦࢆᥦ᱌ࡋ㸦ᅗᅗ㸧ࠊࡑࡢ

࡚࠸ࡓࠋFRET㸦⺯ගඹ㬆࢚ࢿࣝࢠ࣮㌿⛣㸧ࢆ⏝࠸ࡓຠᯝࢆ☜ㄆࡋࡓࠋᵓ㐀ィᐇ㦂࡜㐃ᦠࡋࠊࢹ࣮ࢱࡢゎᯒ࡜ࠊศᏊືຊ

Ꮫࢩ࣑࣮ࣗࣞࢩࣙࣥࢆ⏝࠸ࡓ⪃ᐹࢆ⾜ࡗࡓࠋศᏊᵓ
㐀ࡀ⁐ᾮ᮲௳࡟ᑐᛂࡋ࡚⮬Ⓨⓗ࡟ኚ໬ࡋࠊࡑࢀࡀ㔜ྜࡢไᚚ࡟㛵ࢃࡗ࡚࠸ࡿࡇ࡜ࢆ♧၀ࡍࡿ⤖ᯝࡀᚓࡽࢀࡓ㸦᳃ᯇ㈼㡰Ặࠊᰗ⏣ᩄ㞝Ặࡽ࡜ࡢඹྠ◊✲ࠊୗグᩥ⊩㸧ࠋࡲࡓࠊࢱࣥࣃࢡ㉁ศᏊࢆ⢒ど໬࣭༢⣧໬ࡋࡓᙎᛶ
ࢿࢵࢺ࣮࣡ࢡࣔࢹࣝࢆ⏝࠸ࠊ࢔ࢡࢳࣥ࡜࣑࢜ࢩࣥ࡜
ࡢ⤖ྜ࡟క࠺ᵓ㐀ኚ໬ࢆ⪃ᐹࡋࡓ㸦ㄽᩥᢞ✏‽ഛ୰㸧ࠋᅗ ࢤ࣮࣒ᩍᮦࡢホ౯⤖ᯝᥦ᱌ࢩࢫࢸ࣒ࢆホ౯ࡣࠊC ゝㄒࡢᐇ⩦ࡢᤵᴗ࡟࠾
࠸࡚ e ࣮ࣛࢽࣥࢢࡢᕼᮃ⪅ࢆເࡾࠊヨ㦂ⓗ࡟ά⏝ࡋᅗ ࢔ࢡࢳࣥศᏊࡢ⮬Ⓨⓗᵓ㐀ኚ໬㸦ศᏊືຊᏛ
ィ⟬࡛ᚓࡽࢀࡓᵓ㐀࡟ᇶ࡙ࡃᴫᛕᅗࠋୗグᩥ⊩ࡼࡾࠋ㸧㸰ࡘࡢ⌫ࡣࠊᐇ㦂࡛㊥㞳ࢆィ ࡋࡓ࣐࣮࢝ࡢ఩

ࡓࠋe ࣮ࣛࢽࣥࢢᕼᮃ⪅ࡣࠊ௚ࡢᏛ⏕ࡼࡾᏛ⩦ពḧࡀ㧗࠸ྍ⬟ᛶࡀ㧗࠸ࡇ࡜ࠊ୍⯡ࡢ e ࣮ࣛࢽࣥࢢᩍᮦ
࡜ࡢẚ㍑ࡀᚲせ࡛࠶ࡿࡇ࡜࠿ࡽࠊᕼᮃ⪅ࢆࠊᥦ᱌ࢩ
ࢫࢸ࣒࡛Ꮫ⩦ࡍࡿࢤ࣮࣒ࢢ࣮ࣝࣉ 24 ྡ࡜ࠊ୍⯡ࡢ e⨨࡟ᑐᛂࡋ࡚࠸ࡿࠋ

࣮ࣛࢽࣥࢢᩍᮦ࡛Ꮫ⩦ࡍࡿ୍⯡ࢢ࣮ࣝࣉ 22 ྡ࡟ࣛ㛵㐃Ⓨ⾲ㄽᩥ

ࣥࢲ࣒࡟ศࡅࡓࠋࡉࡽ࡟ࠊᕼᮃ⪅௨እࡢ 47 ྡࢆࡑࡢ(1) Masatoshi Morimatsu, Yuichi Togashi, So Nishikawa,௚ࢢ࣮ࣝࣉ࡜ࡋࡓࠋᤵᴗ࡟࠾࠸࡚ࡣࠊ୰㛫ヨ㦂࡜ᮇ

Mitsuhiro Sugawa, Atsuko H. Iwane and Toshioᮎヨ㦂ࡀ࠶ࡿࡀࠊࡑࡢᖹᆒⅬࢆࢢ࣮ࣝࣉࡈ࡜࡟ẚ㍑

Yanagida, “Spontaneous structural changes in actinࡍࡿࡇ࡜࡟ࡼࡾホ౯ࢆ⾜ࡗࡓࠋ

regulate G-F transformation”, PLOS ONE, vol. 7, no.

ྛࢢ࣮ࣝࣉࡢྛࢸࢫࢺࡢᖹᆒⅬࡣᅗᅗ ࡢ㏻ࡾ࡛
࠶ࡿࠋ࡝ࢀࡶ 100 Ⅼ‶Ⅼ࡟᥮⟬ࡋ࡚࠸ࡿࠋ୰㛫ࢸࢫ

11, p. e45864, November 2012.

ࢺ࡟࠾࠸࡚ࡣࠊࢤ࣮࣒ࢢ࣮ࣝࣉࡢ᪉ࡀ୍⯡ࢢ࣮ࣝࣉ
4.11 ၥ㢟㞟ࡢࡓࡵࡢ⥲ྜⓗ࡞ e ࣮ࣛࢽࣥࢢࢩࢫࢸ

ࡼࡾ⣙ 5 Ⅼ㧗ࡃࠊᥦ᱌ࢩࢫࢸ࣒ࡢ᭷ຠᛶࡀ☜ㄆ࡛ࡁ࣒ࡿࠋ୍᪉ࠊᮇᮎࢸࢫࢺ࡛ࡣࠊࢤ࣮࣒ࢢ࣮ࣝࣉ࡜୍⯡㏆ᖺࠊe ࣮ࣛࢽࣥࢢᩍᮦ࡟ࢤ࣮࣒ᛶࢆຍ࠼ࡓࢤ࣮

ࢢ࣮ࣝࣉࡢ㛫ࡢᕪࡀᑠࡉ࠸ࠋホ౯࡟⏝࠸ࡓၥ㢟㞟ࡢ࣒ᩍᮦࡢ㛤Ⓨࡀ⾜ࢃࢀ࡚࠸ࡿࡀࠊၥ㢟㞟࡟ไ㝈᫬㛫ෆᐜࡣࠊe ࣮ࣛࢽࣥࢢ⏝࡜࠸࠺ไ⣙ࡶ࠶ࡾࠊᮇᮎヨࡸ⾲♧ࡢ₇ฟࢆຍ࠼ࡓࡔࡅࡢࢤ࣮࣒ᩍᮦࡀ㠀ᖖ࡟ከ㦂࡜ẚ㍑ࡍࢀࡤᇶᮏⓗ࡛࠶ࡿࠋᮇᮎヨ㦂ࢆཷࡅࡿ㡭࠸ࠋࡇࡢࡼ࠺࡞ᩍᮦࡢከࡃࡣࢤ࣮࣒ᛶࡀ࡯࡜ࢇ࡝ྲྀ

ࡢᏛ⏕ࡣࠊᤵᴗࢆ㏻ࡌ࡚ᇶᮏⓗ࡞ෆᐜࢆఱᗘࡶ⧞ࡾ

ࡾධࢀࡽࢀ࡚࠾ࡽࡎࠊ㣬ࡁ࡟ࡃࡉ࡞࡝࡟ᨵၿࡢవᆅ

㏉ࡋ࡚࠸ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜ࠊe ࣮ࣛࢽࣥࢢࡢຠᯝ

ࡀ኱ࡁ࠸ࠋእᅜㄒࡢ㡢ኌࡸᩥ᭩ࢆ⏝࠸ࡓ࣐ࣝࢳ࣓

ࡀᑠࡉࡃ࡞ࡿࡇ࡜ࡣ⮬↛࡛࠶ࡿ࡜⪃࠼ࡿࠋ― 100 ―

(1) ஂಖ⏣ྜྷᚨ, ⛅ᒣ㇏࿴, Ἑྜ⏤㉳Ꮚ, ⓑ▼ඃ᪝,“࣮࢜ࣉࣥࢯ࣮ࢫ᳨⣴࢚ࣥࢪࣥ࡟࠾ࡅࡿࣛࣥ࢟ࣥ
ࢢᶵ⬟ᣑᙇ࡜ࡑࡢᛶ⬟ࢳ࣮ࣗࢽࣥࢢ࡟㛵ࡍࡿ୍⪃ ᐹ ”, ಙ Ꮫ ᢏ ሗ , vol.112, no.302, IA2012-54,
pp.13-18 (2012 ᖺ 11 ᭶).
(2) Yuhki Shiraishi, Jianwei Zhang, Yukiko Kawai andToyokazu Akiyama, “Proposal of Combination
System of Page-centric Communication and Search,”
The First International Workshop on Online Social
Systems (WOSS 2012) (Aug. 2012).
(3) Yuhki Shiraishi, Jianwei Zhang, Yukiko Kawai andᅗ ࢤ࣮࣒ᩍᮦࡢホ౯⤖ᯝ

Toyokazu Akiyama, “Simultaneous Realization of㛵㐃Ⓨ⾲ㄽᩥ

Page-centric Communication and Search,” ACM(1) ᑠᓥ ୍⚽, “ࢤ࣮࣒࡜⼥ྜࡋࡓ e ࣮ࣛࢽࣥࢢၥ㢟

CIKM Conference 2012, demo paper (Oct. 2012).

㞟ࡢ㛤Ⓨ࡜ホ౯”, ➨ 10 ᅇ᝟ሗ⛉Ꮫᢏ⾡ࣇ࢛࣮ࣛ
࣒ㅮ₇ㄽᩥ㞟, RK-011, pp.109-114, August 2012.
(2) ᑠᓥ ୍⚽, “ࢤ࣮࣒࡜⼥ྜࡋࡓ e ࣮ࣛࢽࣥࢢၥ㢟㞟ࢩࢫࢸ࣒”, ᝟ሗฎ⌮Ꮫ఍➨ 75 ᅇ඲ᅜ኱఍㸦ᖹ
ᡂ 25 ᖺ㸧ㅮ₇ㄽᩥ㞟, 1G-7, pp.335-336, March2013.
4.12 ࢯ࣮ࢩࣕࣝࢧ࣮ࢳࢩࢫࢸ࣒ࠊࢿࢵࢺ࣮࣡ࢡࡢ␗
ᖖ᳨▱ࠊㄆドᇶ┙ࢩࢫࢸ࣒࡟㛵ࡍࡿ◊✲
4.12.1 ࢯ࣮ࢩࣕࣝࢧ࣮ࢳࢩࢫࢸ࣒࡟࠾ࡅࡿࣛࣥ࢟

ᅗ ᵓ⠏ࡋࡓࢯ࣮ࢩࣕࣝࢧ࣮ࢳࢩࢫࢸ࣒ࡢᵓᡂ

ࣥࢢᶵᵓࡢタィᮏᖺᗘࡣᥦ᱌ࡋ࡚࠸ࡿࢯ࣮ࢩࣕࣝࢧ࣮ࢳࢩࢫࢸ࣒
ࡢࣉࣟࢺࢱ࢖ࣉࢩࢫࢸ࣒࡟ᑐࡋ࡚ࠊ࣮࢜ࣉࣥࢯ࣮ࢫ

4.12.2 ࢡࣛࢫࢱࣜࣥࢢ࡟ᇶ࡙ࡃ␗ᖖ᳨▱ᡭἲࡢ≉ᛶㄪᰝࡢ᳨⣴࢚ࣥࢪ࡛ࣥ࠶ࡿ Nutch ࠾ࡼࡧ Solr ࡜ࡇࢀࡲ࡛

ᮏᖺᗘࡣࠊEM/GMM ࡟௦⾲ࡉࢀࡿࢺࣛࣇ࢕ࢵࢡࡢ

࡟ᐇ⿦ࡋࡓ PageRank ࢆ࣮࣋ࢫ࡜ࡋࡓࣛࣥ࢟ࣥࢢᶵ

ࢡࣛࢫࢱࣜࣥࢢ࡟ࡼࡿ≉ᚩᢳฟᡭἲ࡟ࡘ࠸࡚ㄪᰝࡍ

⬟ࢆ⤫ྜࡋࡓࠋᅗ 1 ࡟♧ࡍࡼ࠺࡟ࠊᵓ⠏ࡋࡓࢩࢫࢸ

ࡿࡓࡵࠊk-means ἲ࡟ࡼࡿࢡࣛࢫࢱࣜࣥࢢࢆ⏝࠸ࡓ࣒࡛ࡣࠊᥦ᱌ࢩࢫࢸ࣒ࡢࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥᶵ⬟࠾ࡼࡾࢩࣥࣉࣝ࡞ᡭἲ㸦㐓⬺ᗘศᯒἲ㸧࡟ࡘ࠸࡚ࠊ

ࡼࡧࣛࣥ࢟ࣥࢢᶵ⬟ࢆู࢖ࣥࢫࢱࣥࢫ࡜ࡋ࡚ᵓ⠏࡛

DARPA ࡢ౵ධ᳨▱ホ౯ࢹ࣮ࢱࢭࢵࢺࢆ⏝࠸࡚≉ᛶࡁࡿᙧ࡛ᐇ⿦ࡋࡓࡓࡵࠊࣂࢵࢡ࢚ࣥࢻࡢ୪ิィ⟬ࡀㄪᰝࢆ⾜ࡗࡓࠋ㐓⬺ᗘศᯒἲ࡛ࡣࠊࣉࣟࢺࢥࣝࡈ࡜

ᚲせ࡞㒊ศ࡜ࣇࣟࣥࢺ࢚ࣥࢻࡢከᩘࡢ࢖ࣥࢫࢱࣥࢫ

ࡢࣃࢣࢵࢺᩘࡢẚ⋡ࢆ≉ᚩ࣋ࢡࢺࣝ࡜ࡋࠊᖹᖖ᫬ࡢࡀᚲせ࡜࡞ࡿ㒊ศ࡟ࡘ࠸࡚せồࡉࢀࡿᛶ⬟࡟ᛂࡌ࡚ࢺࣛࣇ࢕ࢵࢡࢆࢡࣛࢫࢱࣜࣥࢢࡋࡓᖹᖖ᫬≉ᚩ࣋ࢡ

ᰂ㌾࡟ࢫࢣ࣮ࣛࣅࣜࢸ࢕ࢆ☜ಖ࡛ࡁࡿࡼ࠺࡟࡞ࡗࡓࠋ

ࢺࣝ⩌࠿ࡽࡢ㐓⬺ᗘ࡟ࡼࡾ␗ᖖุᐃࢆ⾜࠺ࠋ㐓⬺ᗘ⌧ẁ㝵࡛ࡣࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥᶵ⬟࡜ࣛࣥ࢟ࣥࢢᶵ

ศᯒἲ࡛ࡣ k-means ἲࡢึᮇࢡࣛࢫࢱᩘࢆ⮬ືⓗ࡟⬟ࡢ I/O 㒊ศࡀ༑ศ࡟㧗㏿໬࡛ࡁ࡚࠾ࡽࡎࠊ௒ᚋ I/Oồࡵࡿᡭἲࢆᥦ᱌ࡋ࡚࠸ࡓࡀࠊDARPA ࡢࢹ࣮ࢱࢭࢵ

ᛶ⬟ࡢᨵၿࡀㄢ㢟࡜࡞ࡗ࡚࠸ࡿࠋ

ࢺ࡛ࡣ᝿ᐃࡋࡓ್࡟཰᮰ࡏࡎࠊ㐺ษ࡞ࢡࣛࢫࢱᩘࢆ

㛵㐃Ⓨ⾲ㄽᩥ

ồࡵࡿࡇ࡜ࡀ࡛ࡁ࡞࠿ࡗࡓࠋ୍᪉࡛ࠊk-means ἲࢆᣑᙇࡋࡓ x-means ἲ࡟ࡼࡾ⮬ືⓗ࡟ࢡࣛࢫࢱᩘỴᐃ― 101 ―

ࢆ⾜ࡗࡓ࡜ࡇࢁࠊࡼࡾ㐺ษ࡞ࢡࣛࢫࢱᩘ࡟ศ㢮ࡉࢀ౪ࢧ࢖ࢺ࡟࠾࠸࡚ࠊ࣮ࣘࢨࡀ⮬ศࡢᡤᒓࡍࡿ⤌⧊ࡢࡓࡀࠊࡑࡢศ␗ᖖุᐃࡀཝࡋࡃ࡞ࡾࠊㄗุᐃࡶቑຍㄆドࢧ࣮ࣂࢆ㑅ᢥࡍࡿ᧯సࡀࢧ࢖ࢺࡈ࡜࡟␗࡞ࡾࠊ

ࡋࡓࠋᏛ⩦ᮇ㛫ࢆ㛗ࡃࡍࡿࡇ࡜࡛ㄗุᐃࡣῶᑡࡋࡓ

ࡲࡓ↹㞧࡟࡞ࡿㄢ㢟࡟ࡘ࠸࡚ࠊࢧ࢖ࢺࡈ࡜ࡢᡭ㡰ࢆࡀࠊቃ⏺್௜㏆ࡢ್࡟ࡘ࠸࡚ࡣㄗุᐃࡀṧࡿ⤖ᯝ࡜ࢫࢡࣜࣉࢺ࡜ࡋ࡚㓄ᕸࡋࠊ⮬ື໬ࡍࡿᶵᵓࢆᐇ⌧ࡋ࡞ࡗࡓࠋ᪤Ꮡᡭἲ࡛࠶ࡿ㐓⬺ᗘศᯒἲ࡟ࡼࡾ≉ᚩⓗࡓࠋ௒ᚋࡇࢀࡽࡢᶵᵓࢆᏳ඲࡟㐠⏝ࡋ࡚࠸ࡃࡓࡵࠊ

࡞ࢺࣛࣇ࢕ࢵࢡࢆᢳฟ࡛ࡁࡿࡇ࡜ࡀ☜ㄆ࡛ࡁࡓࡀࠊᏳ඲ᛶࡢホ౯ࢆᐇ᪋ࡋ࡚࠸ࡃணᐃ࡛࠶ࡿࠋ

ࣃࢣࢵࢺᩘࡢᑡ࡞࠸ᨷᧁࡸẁ㝵ⓗ࡟ኚ໬ࡍࡿࡼ࠺࡞
ᨷᧁ࡟ࡘ࠸࡚ࡣ᳨▱࡛ࡁ࡞࠸ࡓࡵࠊ௚ࡢࣃ࣓࣮ࣛࢱ
࡟ࡘ࠸࡚ࡶㄪᰝࡍࡿᚲせࡀ࠶ࡿࠋ௒ᚋࡣ R/S ゎᯒࢆ㛵㐃Ⓨ⾲ㄽᩥ
(1) ⛅ᒣ㇏࿴, すᮧ೺, ᒣᆅ୍⚞, ୰ᮧ⣲඾, “Web ࣈࣛ࢘ࢨᣑᙇᶵ⬟ࢆ⏝࠸ࡓㄆド㐃ᦠᇶ┙ࡢᶵ⬟ᣑࡣࡌࡵ࡜ࡍࡿ᫬⣔ิศᯒᡭἲࡸࣇ࣮࢚ࣜゎᯒ➼࡜⤌ᙇࣇ࣮࣒࣮ࣞ࣡ࢡࡢᥦ᱌,” ಙᏛᢏሗ, Vol. 112,ࡳྜࢃࡏࡿࡇ࡜࡛ࠊ㏻ᖖࡢࢺࣛࣇ࢕ࢵࢡ࡟⣮ࢀࡿᨷᧁࡢᢳฟྍ⬟ᛶ࡟ࡘ࠸࡚ㄪᰝࢆ⾜࠺ࠋࡉࡽ࡟ࠊ␗ᖖ
᳨▱ࡔࡅ࡛࡞ࡃࠊࢺࣛࣇ࢕ࢵࢡไᚚ࡟ᛂ⏝ࡍࡿࡓࡵ

No. 90, IA2012-3, pp. 13-18 (Jun. 2012).
(2) ᮡᒣ᫭ᖹ, ⛅ᒣ㇏࿴, “Web SSO ࡟࠾ࡅࡿ PAKE ࢆ⏝࠸ࡓ┦஫ㄆドᶵᵓࡢタィ࡜ᐇ⿦,” ಙᏛᢏሗ,ࡢ᳨ウࡶ⾜࠺ࠋ

vol. 112, no. 489, IA2012-88, pp. 31-36, (Mar. 2013).
(3) Toyokazu Akiyama, Takeshi Nishimura, Kazutsuna㛵㐃Ⓨ⾲ㄽᩥ
(1) ᕴᗣᖹ, ⛅ᒣ㇏࿴, “ࢺࣛࣇ࢕ࢵࢡࣃ࣓࣮ࣛࢱࡢ

Yamaji, Motonori Nakamura, Yasuo Okabe, “Designࢡࣛࢫࢱࣜࣥࢢ࡟ࡼࡿ␗ᖖ᳨▱ᡭἲࡢ≉ᛶㄪᰝ”,and Implementation of a Functional Extensionಙ Ꮫ ᢏ ሗ , vol.112, no.489, IA2012-87, pp.25-30

Framework(2013 ᖺ 3 ᭶).

Infrastructure using Web Browser Add-on,” The 27th

for

Authn

&

Authz

Federation

4.12.3 Web ࣈࣛ࢘ࢨ࢔ࢻ࢜ࣥࢆ⏝࠸ࡓㄆドᇶ┙ࢩIEEEࢫࢸ࣒ᣑᙇࣇ࣮࣒࣮ࣞ࣡ࢡࡢタィ࡜ࣉࣟࢺࢱ࢖ࣉࡢ

Information Networking and Applications (Mar.

ᐇ⿦

2013).

International

Conferenceon

Advancedᮏᖺᗘࡣࡲࡎ௨ୗࡢࡼ࠺࡞ㄢ㢟ࡢゎỴࢆ┠ᣦࡋ࡚◊✲㛤Ⓨࢆ⾜ࡗࡓࠋ4.13 ་⒪᝟ሗ࠾ࡼࡧࢭ࢟ࣗࣜࢸ࢕࡟㛵ࡍࡿ◊✲(1) ID࣭ࣃࢫ࣮࣡ࢻࡢ㈨⏘౯್ࡢቑ኱

4.13.1 DNS ࢺࣛࣇ࢕ࢵࢡ࠾ࡼࡧ DNS ࣟࢢࡢྲྀࡾᢅ

(2) ⤌⧊እࢧ࣮ࣅࢫ࡟࠾ࡅࡿᡤᒓ⤌⧊ࡢ ID࣭ࣃࢫ࠸࡟㛵ࡍࡿἲⓗ᳨ウ࣮࣡ࢻ฼⏝ᶵ఍ࡢቑຍ

ࢿࢵࢺ࣮࣡ࢡࢭ࢟ࣗࣜࢸ࢕ࢆ⪃៖ࡍࡿୖ࡛ࠊDNS(3) ᡤᒓ⤌⧊ࡢㄆドࢧ࣮ࣅࢫࢆ㑅ᢥࡍࡿᡭ㛫ࡢቑࢺࣛࣇ࢕ࢵࢡࡸ DNS ࣟࢢࡣ㔜せ࡞ാࡁࡀᮇᚅࡉࢀ
࡚࠸ࡿࠋDNS ࡟㛵ࡍࡿࡇࢀࡽࡢ᝟ሗࢆศᯒࡍࡿ◊✲ຍ(1)ࠊ(2)ࡣࣇ࢕ࢵࢩࣥࢢ࡟ࡼࡿࣜࢫࢡࡢቑ኱ࢆព࿡

ࡶ㐍ࢇ࡛࠾ࡾࠊᐇ㝿࡟ࡇࢀࡀᛂ⏝ࡉࢀࡓ᪋⟇ࡶ⾜ࢃࡋ࡚࠸ࡿࠋࡇࢀࢆゎỴࡍࡿࡓࡵ࡟ࣇ࢙ࢹ࣮ࣞࢩࣙࣥ

ࢀ࡚࠸ࡿࠋ୍᪉࡛ࠊDNS ࡟㛵ࡍࡿ᝟ሗࡢศᯒࢆἲⓗ࡟ཧຍࡋ࡚࠸ࡿࢧ࣮ࣂࡢド᫂᭩࡟⨫ྡࡋ࡚㓄ᕸࡋࠊ

ほⅬ࠿ࡽࡳࡿ࡜ࠊ୙᫂☜࡞Ⅼࡀከ࠸ࠋ≉࡟ࠊDNS ࢆᣑᙇᶵ⬟࡟ࡼࡿ᳨ドࢆྍ⬟࡜ࡋࡓࠋࡲࡓࠊOpenID ➼ྲྀࡾᢅ࠺୺యࡀ」ᩘ࡟ᐃ⩏࡛ࡁࡿࡇ࡜ࡣࡇࡢၥ㢟ࢆ

௚ࡢ Web SSO ࡟࠾࠸࡚ࡶ㐺⏝ྍ⬟࡞ᑐ⟇࡜ࡋ࡚ࠊ」㞧໬ࡋ࡚࠸ࡿࠋࡑࡇ࡛ࠊDNS ࢺࣛࣇ࢕ࢵࢡ࠾ࡼࡧ

Password Authenticated Key Exchange (PAKE)࢔ࣝࢦ

DNS ࣟࢢࡢἲⓗྲྀࡾᢅ࠸࡟ࡘ࠸࡚ࠊ㏆᫬ࡢ஦౛ࢆ⪃ࣜࢬ࣒ࢆ⏝࠸ࡓࢡࣛ࢖࢔ࣥࢺ࣭ࢧ࣮ࣂ┦஫ㄆドᶵᵓ៖ࡋࡘࡘ᳨ウࡋࡓࠋࢆᐇ⌧ࡋࡓࠋࡇࢀ࡟ࡼࡾࢧ࣮ࣂ࡟ࣃࢫ࣮࣡ࢻࢆΏࡉ
ࡎ࡟ㄆドࡍࡿࡇ࡜ࡀྍ⬟࡜࡞ࡗࡓࠋ୍᪉ (3) ࡟ࡘ࠸࡚ࡣ」ᩘࡢࣇ࢙ࢹ࣮ࣞࢩࣙࣥ࡟ཧຍࡍࡿࢧ࣮ࣅࢫᥦ

㛵㐃Ⓨ⾲ㄽᩥ
(1) 㔝 ᕝ ⿱ グ , ຍ ⸨ ᑦ ᚨ , ᒸ ⏣ ோ ᚿ , “DNS ࢺ ࣛ― 102 ―

ࣇ࢕ࢵࢡ࠾ࡼࡧ DNS ࣟࢢࡢྲྀࡾᢅ࠸࡟㛵ࡍࡿἲ ⓗ ᳨ ウ ”, 㟁 Ꮚ ᝟ ሗ ㏻ ಙ Ꮫ ఍ ᢏ ⾡ ◊ ✲ ሗ ࿌ᐜࡢ⤂௓ࢆ㇏୰ᩍ⫱◊✲Ჷࣟࣅ࣮࡟࡚⾜ࡗࡓࠋ⛣ື

(SITE2012-2), vol. 112, no. 26, pp. 7–11, May 2012.

ྍ⬟ࣟ࣎ࢵࢺࢆ⏝࠸ࡓࢹࣔࡣᐙ᪘㐃ࢀࡸᏊ౪ྠኈࡢ

4.13.2 ᨻ⟇ホ౯⌮ㄽࡢ୍ᥦ᱌

᮶ሙ⪅࡬ࡢ࢔ࣆ࣮ࣝࡀᙉࡃࠊࡑࡢ⤖ᯝࠊከࡃࡢ᮶ሙ

ᨻ⟇ࡢホ౯ࠊ࡜ࡃ࡟」ᩘࡢ┦཯ࡍࡿせồࢆྠ᫬࡟⪅ࡀᙜ㒊㛛ࡢᒎ♧๓࡛㊊ࢆ೵ࡵ࡚ㄝ᫂࡟⪥ࢆഴࡅࡓࠋ

‶ࡓࡍᚲせࡢ࠶ࡿᨻ⟇࡟ࡘ࠸࡚ࡢホ౯ࡣ☜ᐃࡋ࡚࠸ࡋ࠿ࡋࠊࣟ࣎ࢵࢺ௨እࡢ◊✲ෆᐜࡢ⤂௓࡟ࡘ࠸࡚ࡣࠊ

࡞࠸ࠋࡑࡇ࡛ࠊᮏ◊✲࡛ࡣࠊࢹࢪࢱࣝࢥࣥࢸࣥࢶὶ㈨ᩱࡢ⾲♧᪉ἲࡀࣟࣅ࣮ෆ࡟タ⨨ࡉࢀࡓࣉࣛࢬ࣐

㏻ࢆ౛࡟࡜ࡾ࠶ࡆࠊPPF(⏕⏘ྍ⬟ᛶࣇࣟࣥࢸ࢕࢔㸧ࢹ࢕ࢫࣉࣞ࢖ࡢࡳ࡛࠶ࡗࡓࡇ࡜ࡶ࠶ࡾࠊ༑ศ࡟࢔

ࢆ⏝࠸ࡓᨻ⟇ホ౯⌮ㄽ࡟ᇶ࡙࠸࡚ඛ⾜◊✲ࡢၥ㢟Ⅼࣆ࣮࡛ࣝࡁࡓ࡜ࡣゝ࠼࡞࠸ࠋ௒ᚋࡣࠊᙜ㒊㛛ࡢ඲యࢆ᫂ࡽ࠿࡟ࡋࠊࡑࡢゎỴ⟇ࢆᥦ᱌ࡋࡓࠋ

ീࡀ᮶ሙ⪅࡟ఏࢃࡿࡼ࠺࡟ᒎ♧ෆᐜࢆᨵၿࡍࡿᚲせࡀ࠶ࡿࠋ㛵㐃Ⓨ⾲ㄽᩥ
(1) 㔝ᕝ⿱グ, ຍ⸨ᑦᚨ, ͆ᨻ⟇ホ౯⌮ㄽࡢ୍ᥦ᱌̾
ࢹࢪࢱࣝࢥࣥࢸࣥࢶὶ㏻ࢆ౛࡟ࡋ࡚͇̾, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(SITE2012-40), vol. 112,
no. 228, pp. 7̽13, October 2012.

㛵ࡍࡿ◊✲㏆ᖺࠊ๰⸆ࡢ᪉ἲ࡜ࡋ࡚ᚑ᮶ࡢ་໬Ꮫࡔࡅ࡛ࡣ࡞
ࡃࠊIT ᢏ⾡ࢆ฼⏝ࡋ࡚⑓Ẽࡢཎᅉ࡜࡞ࡿศᏊ㸦⺮ⓑࡋ࡚ࠊࡑࡢ⺮ⓑ㉁ࡢാࡁࢆ㜼ᐖࡍࡿ་⸆᪉ಖရ㸦໬ྜ≀㸧ࢆண

5.2.1 ᅜෆᏛ఍࡟࠾ࡅࡿάື(1) ᝟ሗฎ⌮Ꮫ఍ ࢩࢫࢸ࣒ࢯࣇࢺ࢙࢘࢔࡜࣮࢜࣌ࣞ
ࢸ࢕ࣥࢢࢩࢫࢸ࣒◊✲఍ ᖿ஦㸦㜿㒊㸧

4.14 ๰⸆࡟࠾ࡅࡿ IT ࢆ⏝࠸ࡓྜ⌮ⓗ་⸆ရ๰〇࡟㉁㸧ࡢ❧యᵓ㐀ࢆண

5.2 Ꮫ఍άື

ࡍࡿ᪉ἲࡀ⏝࠸ࡽࢀ࡚࠸ࡿࠋ
௒ᖺᗘࡣࠊ๰⸆࡟࠾ࡅࡿ IT ࢆ⏝࠸ࡓྜ⌮ⓗ་⸆ရ๰〇࡟㛵ࡍࡿ◊✲ᩍ⫱άື࡜ࡋ࡚ HPCI ࡢᬑཬࠊၨ
ⵚάືࢆ⾜ࡗࡓࠋࡑࡢࡓࡵ࡟ᮾிࠊ኱㜰୍࡛ᅇࡎࡘ
ࢭ࣑ࢼ࣮ࢆ⾜࠸ࠊ୧ᡤඹ࡟ 100 ྡ⛬ᗘࡢ⫈⾗ࢆᚓࡓࠋࡲࡓᩍ⫱άື࡜ࡋ࡚ᇶ♏ᕤᏛ㒊ࠊMEI ࢭࣥࢱ࣮࡛኱
Ꮫ㝔ㅮ⩏ࢆ⾜ࡗࡓࠋ(2) ➨ 22 ᅇ ᝟ሗฎ⌮Ꮫ఍ ࢥࣥࣆ࣮ࣗࢱࢩࢫࢸ࣒ࢩ
࣏ࣥࢪ࣒࢘ (ComSys2011) ᢸᙜᖿ஦㸦㜿㒊㸧(3) ᝟ሗฎ⌮Ꮫ఍࢖ࣥࢱ࣮ࢿࢵࢺ࡜㐠⏝ᢏ⾡◊✲఍,㐠Ⴀጤဨ㸦᯽ᓮ㸧(4) ➨ 5 ᅇ࢖ࣥࢱ࣮ࢿࢵࢺ࡜㐠⏝ᢏ⾡ࢩ࣏ࣥࢪ࣒࢘(IOTS2012) ᐇ⾜ጤဨ㸦᯽ᓮ㸧(5) 㟁Ꮚ᝟ሗ㏻ಙᏛ఍࢖ࣥࢱ࣮ࢿࢵࢺ࢔࣮࢟ࢸࢡ
ࢳࣕ◊✲఍, ᑓ㛛ጤဨ㸦᯽ᓮ㸧(6) ᪥ᮏᏛ⾡᣺⯆఍⏘Ꮫ༠ຊ◊✲ጤဨ఍࢖ࣥࢱ࣮
ࢿࢵࢺᢏ⾡➨ 163 ጤဨ఍, 㐠Ⴀጤဨ㸦᯽ᓮ㸧
5.2.2 ㄽᩥㄅ⦅㞟(1) ᝟ሗฎ⌮Ꮫ఍ㄽᩥㄅ㸸ࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢࢩࢫࢸ࣒ ⦅㞟ጤဨ 㸦㜿㒊㸧(2) ᝟ሗฎ⌮Ꮫ఍ ㄽᩥㄅࢪ࣮ࣕࢼࣝࠊ࠾ࡼࡧ Journalof Information Processing ⦅㞟ጤဨ㸦㜿㒊㸧

5 ♫఍㈉⊩࡟㛵ࡍࡿᴗ⦼

5.2.3 ᅜ㝿఍㆟࡬ࡢཧ⏬

5.1 ᩍ⫱㠃࡟࠾ࡅࡿ♫఍㈉⊩(1) IEEE/IPSJ SAINT 2012, Program Committee 㸦ୗᲄࠊ5.1.1 Ꮫእάື(1) Ꮫእ࡬ࡢ e ࣮ࣛࢽࣥࢢࢩࢫࢸ࣒ࡢᥦ౪ࡸࠊᏛእ࠿
ࡽᐤࡏࡽࢀࡿ┦ㄯ࡬ࡢᑐᛂ㸦ᑠᓥ㸧㤿ሙࠊ㔝ᓮ㸧
(2) IEEE/IPSJ SAINT 2012 Workshop on High Speed
Network and Computing Environments for Scientific5.1.2 ◊✲㒊㛛බ㛤

Applications (HSNCE 2012), Organizer, Program

2012 ᖺᗘ࠸ࡕࡻ࠺⚍௒ᖺᗘࡣࠊ᫖ᖺᗘࡲ࡛࡜ࡣ㊃ྥࢆኚ࠼ࠊࢡࣛ࢘ࢻ
ࣟ࣎ࢸ࢕ࢡࢫ㛵㐃ࡢ◊✲࡟⏝࠸࡚࠸ࡿ TurtleBot ࡸLEGO MINDSTORMS ࡢᒎ♧࣭ᐇ₇ࢆ୰ᚰ࡟◊✲ෆ

Committee 㸦ୗᲄࠊ㤿ሙࠊ㔝ᓮ㸧(3) IEEE COMPSAC 2013, Program Committee㸦㤿ሙ㸧(4) IEEE 2013 International Workshop on High-Speed― 103 ―

Network and Computing Environment (HSNCE

2013), Organizer, Program Committee 㸦㤿ሙࠊୗᲄࠊ
㔝ᓮ㸧

5.3.3 ≉チヱᙜ࡞ࡋ(5) CREO-PR and OECC/PS 2013, Local Organizing

5.4 ࣉࣟࢪ࢙ࢡࢺάື(1) ᪥ᮏᏛ⾡᣺⯆఍ ⛉Ꮫ◊✲㈝⿵ຓ㔠 ᇶ┙◊✲(B)

Committee 㸦㤿ሙ㸧(6) IEEE Asia Pacific Cloud Computing Congress 2012ࠕග➢ྕศ๭ከ㔜᪉ᘧࢆά࠿ࡋࡓ᪂ࡓ࡞ගࢿࢵ

(APCloudCC), Program Committee Member㸦㜿㒊㸧
5.2.4 Ꮫ఍࡟࠾ࡅࡿᣍᚅㅮ₇࣭ࣃࢿࣝ

ࢺ࣮࣡ࢡᵓᡂᡭἲ࡟㛵ࡍࡿ◊✲ࠖ㸦㤿ሙ㸧(2) ᪥ᮏᏛ⾡᣺⯆఍ ⛉Ꮫ◊✲㈝⿵ຓ㔠 ᣮᡓⓗⴌⱆ(1) ᯽ ᓮ ♩ ⏕ , “ ᮾ ி ⸤ ⾡ ኱ Ꮫ ࡟ ࠾ ࡅ ࡿ Cloud◊✲ࠕ඲ගࢿࢵࢺ࣮࣡ࢡࡢࡓࡵࡢ᪂ࡋ࠸஺᥮ไᚚ

Computing ฼⏝ࡢ᥎㐍”, ᝟ሗฎ⌮Ꮫ఍໭ᾏ㐨ᨭ᪉ᘧࠕ➢ྕ஺᥮ࠖ࡟㛵ࡍࡿ◊✲ࠖ㸦㤿ሙ㸧(3) ᩥ㒊⛉Ꮫ┬ ⛉Ꮫ◊✲㈝⿵ຓ㔠 ⱝᡭ◊✲(B) ࠕࢫ㒊ㅮ₇఍
5.2.5 ᣍᚅㄽᩥ࣮ࣝࣉࢵࢺண

࡟ᇶ࡙࠸࡚」〇㓄⨨ࢆ⾜࠺ᗈᇦศᩓ࢔࣮࢝࢖ࣂࣝࢫࢺ࣮ࣞࢪ ࠖ㸦㜿㒊㸧ヱᙜ࡞ࡋ
5.2.6 Ꮫ఍⾲ᙲ(4) JST ᡓ␎ⓗᅜ㝿⛉Ꮫᢏ⾡༠ຊ᥎㐍஦ᴗ ᪥௖◊✲(1) ⚟⏣㐩ஓ, “ග CDM ࢆ⏝࠸ࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺ஺ὶ ࠕୖẼ㐨Ẽὶゎᯒ࡬ࡢ࣮࢟ࢸࢡࣀࣟࢪ࣮㸸ࢿࢵࢺ࣮࣡ࢡࡢᵓᡂᡭἲ”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍

㉸㛗㊥㞳㛫㧗㏿ࢿࢵࢺ࣮࣡ࢡ࡟ࡼࡿ࣌ࢱࢫࢣ࣮

ࣇ࢛ࢺࢽࢵࢡࢿࢵࢺ࣮࣡ࢡⱝᡭ◊✲㈹࣭ࣝࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢࠖ
㸦ୗᲄࠊ㤿ሙࠊ㔝ᓮࠊ(2) ᯽ᓮ♩⏕, ➨ 5 ᅇ࢖ࣥࢱ࣮ࢿࢵࢺ࡜㐠⏝ᢏ⾡ࢩ࣏ࣥࢪ࣒࢘(IOTS2012) ඃ⚽ࣉࣞࢮࣥࢸ࣮ࢩࣙࣥᆏ᰿㸧(5) ᩥ㒊⛉Ꮫ┬, ᅜᐙⓗㄢ㢟ᑐᛂᆺ◊✲㛤Ⓨ᥎㐍஦ᴗ㸦ḟୡ௦ IT ᇶ┙ᵓ⠏ࡢࡓࡵࡢ◊✲㛤Ⓨ㸧,ࠕ♫㈹.

఍ࢩࢫࢸ࣒࣭ࢧ࣮ࣅࢫ᭱㐺໬ࡢࡓࡵࡢࢧ࢖ࣂ࣮
5.3 ⏘Ꮫ㐃ᦠࣇ࢕ࢪ࢝ࣝ IT ⤫ྜᇶ┙ࡢ◊✲ࠖ㸦ୗᲄࠊ㤿ሙࠊᮾ

5.3.1 ௻ᴗ࡜ࡢඹྠ◊✲⏣ࠊ᫓ᮏ㸧(1) “NGN ࢆά⏝ࡋࡓ」ᩘ࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡᵓ ᡂ ἲ ࡟ 㛵 ࡍ ࡿ ◊ ✲ 㛤 Ⓨ ”, NTT ࢧ ࢖ ࣂ ࣮ ࢯ

5.5 ࡑࡢ௚ࡢάື

࣮ࣜࣗࢩࣙࣥ◊✲ᡤ, ኱㜰኱Ꮫࢧ࢖ࣂ࣮࣓ࢹ࢕

(1) ி㒔኱ᏛᏛ⾡᝟ሗ࣓ࢹ࢕࢔ࢭࣥࢱ࣮࣭඲ᅜඹྠ฼
⏝㐠Ⴀጤဨ఍ጤဨ

࢔ࢭࣥࢱ࣮㸦ୗᲄࠊᑎす㸧(2) “࢔ࢻ࣍ࢵࢡࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢭ࢟ࣗࣜࢸ࢕

(2) ி㒔኱ᏛᏛ⾡᝟ሗ࣓ࢹ࢕࢔ࢭࣥࢱ࣮࣭ࢫ࣮ࣃ࣮ࢥ
ࣥࣆ࣮ࣗࢱࢩࢫࢸ࣒ඹྠ◊✲௻⏬ጤဨ఍ጤဨ

ࡢ᳨ウ”, ᰴᘧ఍♫ᐩኈ㏻◊✲ᡤ, ኱㜰኱Ꮫࢧ࢖(3) (ᰴ) ᅜ㝿㟁Ẽ㏻ಙᇶ♏ᢏ⾡◊✲ᡤ ♫఍࣓ࢹ࢕ࣂ࣮࣓ࢹ࢕࢔ࢭࣥࢱ࣮㸦㤿ሙࠊ㜿㒊㸧
5.3.2 Ꮫእ࡛ࡢㅮ₇࢔ ⥲ ྜ ◊ ✲ ᡤ (ATR) ▱ ⬟ ࣟ ࣎ ࢸ ࢕ ࢡ ࢫ ◊ ✲(1) ࠕICT Integrated Emulation according to Disasterᡤ࣭ࣘࣅ࢟ࢱࢫࢿࢵࢺ࣮࣡ࢡࣟ࣎ࢵࢺ◊✲㛤Ⓨ㐠

Scenario on StarBED(invited)ࠖ, EU-Japan Workshop
on Experimental Future Internet Research, MayႠ༠㆟఍ ጤဨ(4) ᩥ㒊⛉Ꮫ┬◊✲᣺⯆ᒁ࣭⛉Ꮫᢏ⾡࣭Ꮫ⾡ᑂ㆟఍ᑓ

2012.

㛛ጤဨ㸦᝟ሗ⛉Ꮫᢏ⾡ጤဨ఍㸧(2) ࠕSDN for Cloud Network Robot(invited)ࠖ, Global(5) 㛵す኱Ꮫᅜ㝿ࢯࢩ࢜ࢿࢵࢺ࣮࣡ࢡᡓ␎Ꮫ఍࣭ᅜ㝿

Future Internet Summit 2012, September 2012.

ࢯࢩ࢜ࢿࢵࢺ࣮࣡ࢡᡓ␎Ꮫ఍ ホ㆟ဨ

(3) ࠕCyber Physical Testbed in Umekita(invited)ࠖ, the(6) 㛵す኱Ꮫᅜ㝿ࢯࢩ࢜ࢿࢵࢺ࣮࣡ࢡᡓ␎Ꮫ఍࣭
ࠕTheFirst Asian Workshop on Smart Sensor Systems,
march 2013.

Review of Socionetwork StrategiesࠖEditor(7) ≉ᐃ㠀Ⴀ฼άືἲேࣂ࢖࢜ࢢࣜࢵࢻࢭࣥࢱ࣮㛵㸦௨ୖࠊୗᲄ㸧す࣭ࣂ࢖࢜ࢢࣜࢵࢻࢭࣥࢱ࣮㛵す⌮஦㛗― 104 ―

(8) ᝟ሗࢩࢫࢸ࣒◊✲ᶵᵓ ᅜ❧᝟ሗᏛ◊✲ᡤ࣭㐠Ⴀ㸦௨ୖࠊୗᲄ㸧(29) ⥲ົ┬ ᝟ሗ㏻ಙᨻ⟇ᒁ ᡓ␎ⓗ᝟ሗ㏻ಙ◊✲㛤఍㆟ጤဨ(9) ᝟ሗࢩࢫࢸ࣒◊✲ᶵᵓ ᅜ❧᝟ሗᏛ◊✲ᡤ࣭Ꮫ⾡Ⓨ᥎㐍ไᗘ ᑓ㛛ホ౯ጤဨ(30) ᝟ሗ࣭ࢩࢫࢸ࣒◊✲ᶵᵓ ᅜ❧᝟ሗᏛ◊✲ᡤ Ꮫ᝟ሗࢿࢵࢺ࣮࣡ࢡ㐠Ⴀ࣭㐃ᦠᮏ㒊ጤဨ(10) ⊂❧⾜ᨻἲே ᪥ᮏᏛ⾡᣺⯆఍࣭ᇶ┙◊✲➼➨㸯⾡᝟ሗࢿࢵࢺ࣮࣡ࢡ㐠Ⴀ࣭㐃ᦠᮏ㒊 ㄆドసᴗ㒊
఍ጤဨ

ẁᑂᰝጤဨ
(11) ⊂❧⾜ᨻἲே ᪥ᮏᏛ⾡᣺⯆఍࣭ᅜ㝿஦ᴗጤဨ఍

(31) ᩥ㒊⛉Ꮫ┬ ⛉Ꮫᢏ⾡ᨻ⟇◊✲ᡤ ⛉Ꮫᢏ⾡ືྥ◊✲ࢭࣥࢱ࣮ ᑓ㛛ㄪᰝဨጤဨ(12) ⊂❧⾜ᨻἲே ᪥ᮏᏛ⾡᣺⯆఍࣭ࠕࢡࣛ࢖ࢩࢫ࡟㸦௨ୖ 㤿ሙ㸧ᙉ࠸♫఍࣭⏕ά✵㛫ࡢ๰ᡂࠖ࡟㛵ࡍࡿඛᑟⓗ◊✲2012 ᖺᗘ◊✲Ⓨ⾲ㄽᩥ୍ぴ㛤Ⓨጤဨ఍(13) ⊂❧⾜ᨻἲே ᪥ᮏᏛ⾡᣺⯆఍࣭᪥ᮏᏛ⾡᣺⯆఍⏘Ꮫ༠ຊ◊✲ጤဨ఍㸦ITRC㸧࢖ࣥࢱ࣮ࢿࢵࢺᢏ
⾡➨ 163 ጤဨ఍ ጤဨ㛗ⴭ᭩(1) 㛵㇂ຬྖ, ᒾ⏣῟, బ᐀኱௓, ୗᲄ┿ྖ, Ἑྜᰤ἞, “ḟୡ௦⥙ࢆᐇ⌧ࡍࡿ OpenFlow ᢏ⾡᭱᪂ື(14) ⊂❧⾜ᨻἲே ⛉Ꮫᢏ⾡᣺⯆ᶵᵓ ࣭ࠕ࣏ࢫࢺ࣌ࢱ
ࢫࢣ࣮ࣝࠖ㡿ᇦ 㡿ᇦ࢔ࢻࣂ࢖ࢨ࣮
(15) ⊂❧⾜ᨻἲே ⛉Ꮫᢏ⾡᣺⯆ᶵᵓ࣭ᆅᇦ෌⏕ேᮦ

ྥ 2013”,㸦ᰴ㸧࢖ࣥࣉࣞࢫ, October 2012.
(2) Tomoki Yoshihisa, Yuto Hamaguchi, Yoshimasa Ishi,
Yuuichi Teranishi, Takahiro Hara and Shojiro

๰ฟᣐⅬᙧࣉࣟࢢ࣒ࣛࠕ⛉Ꮫᢏ⾡ᡓ␎᥎㐍㈝ホ౯Nishio,“A Sensor Data Aggregation System usingసᴗ㒊఍ጤဨࠖ

Mobile(16) බ┈㈈ᅋἲே 㒔ᕷάຊ◊✲ᡤ࣭ホ㆟ဨ

inDistributed

Networks:

Intelligence, Security, and Applications, CRC Press,(17) ㈈ᅋἲே ࡦࡻ࠺ࡈ᝟ሗᩍ⫱ᶵᵓ࣭ࢲࣈࣝࢹ࢕ࢢ

Taylor and Francis, August 2013. in printing.

࣮࣭ࣜࣉࣟࢢ࣒ࣛ࢔ࢻࣂ࢖ࢨ࣮
(18) ⊂❧⾜ᨻἲே ᾏὒ◊✲㛤Ⓨᶵᵓ࣭ᆅ⌫ࢩ࣑ࣗ

Agents”,Ꮫ఍ㄽᩥㄅ(3) Kazunori Nozaki, Yoshinobu Maeda and Hiroo࣮ࣞࢱㄢ㢟㑅ᐃጤဨ఍ ๪ጤဨ㛗

Tamagawa, “The effect of wearing custom-made(19) ⥲ົ┬ ᝟ሗ㏻ಙᅜ㝿ᡓ␎ᒁ ᝟ሗ㏻ಙᑂ㆟఍

mouthguards on the aeroacoustic properties ofᑓ㛛ጤဨjapanese sibilant /s/”, Dental Traumatology, vol. 29,(20) ⊂❧⾜ᨻἲே ⏘ᴗᢏ⾡⥲ྜ◊✲ᡤ ࢢࣜࢵࢻ༠

no. 2, pp. 139–144, April 2012.

㆟఍㐠Ⴀጤဨ఍ ๪఍㛗(21) ୍⯡㈈ᅋἲே ኱㜰⛉Ꮫᢏ⾡ࢭࣥࢱ࣮࣭኱㜰⛉Ꮫ(4) ▼ⰾṇ, ᑎす⿱୍, ྜྷ⏣ᖿ, ➉ෆ஽, ୗᲄ┿ྖ,“Range-key Skip Graph ࡟ࡼࡿ⠊ᅖ᳨⣴ྍ⬟࡞኱㈹㑅⪃ጤဨ఍ጤဨ
(22) ୍⯡㈈ᅋἲே 㛵す᝟ሗࢭࣥࢱ࣮࣭ホ㆟ဨ

つᶍศᩓ࣮࢟ࣂ࣮ࣜࣗࢫࢺ࢔ࡢᐇ⌧”, ᝟ሗฎ⌮(23) ୍⯡㈈ᅋἲே 㛵す᝟ሗࢭࣥࢱ࣮࣭ࢸࢡࢽ࢝ࣝ࢔

Ꮫ఍ㄽᩥㄅ, vol. 53, no. 7, pp. 1850–1862, July
2012.

ࢻࣂ࢖ࢨ

(5) ୰㔝㞝௓, ᑎす⿱୍, すᑿ❶἞㑻, “Web ࣛࢵࣃ(24) ࢧ࢖ࣂ࣮㛵すࣉࣟࢪ࢙ࢡࢺ ᖿ஦఍࣓ࣥࣂ࣮
(25) ♫ᅋἲே 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ ࢡࣛ࢘ࢻࢿࢵࢺ

ࡢ࢔ࢢࣜࢤ࣮ࢩࣙࣥࢧ࣮ࣅࢫ࡬ࡢ㐺⏝࡜ホ౯”,࣮࣡ࢡࣟ࣎ࢵࢺ◊✲ᑓ㛛ጤဨ఍ ᑓ㛛ጤဨ᝟ሗฎ⌮Ꮫ఍ㄽᩥㄅ, vol. 53, no. 8, pp. 2018–2027,
August 2012.

(26) 㸦⊂㸧᝟ሗ㏻ಙ◊✲ᶵᵓ࣭ࠕ≉ูᣍ࡬࠸◊✲ဨࠖ(6) ከ⏣኱㍤, ᕷᕝᪿᖹ, ఀ㐩㐍, 㜿㒊ὒ୔, ୗᲄ┿(27) ஑ᕞ࢖ࣥࢱ࣮ࢿࢵࢺࣉࣟࢪ࢙ࢡࢺ࣭ᖿ஦
(28) ㈈ᅋἲே ኱㜰ᕷ㒔ᕷᕤᏛ᝟ሗࢭࣥࢱ࣮࣭࠾࠾

ྖ, “࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡࢆ⏝࠸ࡓ࣐ࣝࢳࢧ
࢖ࢺ௬᝿ࢡࣛࢫࢱᵓ⠏ࢩࢫࢸ࣒”, ᝟ሗฎ⌮Ꮫ఍ࡉ࠿ࣘࣅ࢟ࢱࢫࢩࢸ࢕᥎㐍༠㆟఍ ఍㛗
― 105 ―

ㄽᩥㄅ:ࢥࣥࣆ࣮ࣗࢸ࢕ࣥࢢࢩࢫࢸ࣒➨ 40 ྕ,(15) Ikuo Nakagawa and Ken Nagami, “Jobcast –vol. 5, no. 5, pp. 76–89, October 2012.

Parallel and distributed processing framework”, IPSJ

(7) Masatoshi Morimatsu, Yuichi Togashi, So Nishikawa,

Journal, vol. 21, no. 3, July 2013. in printing.

Mitsuhiro Sugawa, Atsuko H. Iwane and Toshio(16) Tatsuya Fukuda and Ken-ichi Baba, “Network

Yanagida, “Spontaneous structural changes in actin

design for cycle attack free logical tree topologies inregulate G-F transformation”, PLOS ONE, vol. 7, no.

optical CDM networks”, submission for publication,

11, p. e45864, November 2012.

March 2013.

(8) ୗᲄ┿ྖ, ᮾ⏣Ꮫ, ᑎす⿱୍, “ࢡࣛ࢘ࢻࣟ࣎ࢵࢺ࠿ࡽぢࡓࢿࢵࢺ࣮࣡ࢡࡢᮍ᮶”, 㟁Ꮚ᝟ሗ㏻ಙᏛ
఍ㄅ, vol. 95, no. 12, pp. 1057–1061, Decemberᅜ㝿఍㆟఍㆟㘓(17) Taiki Tada, Kohei Ichikawa, Susumu Date, Shinji
Shimojo, Yoshio Tanaka, Akihiko Ota, Tomohiro

2012.

Kudoh, Cindy Zheng and Philip Papadopoulos, “An(9) Chunghan Lee, Hirotake Abe, Toshio Hirotsu andimplementation of OpenFlow based virtual network

Kyoji Umemura, “Analytical Modeling of Networkfor virtual clusters on the PRAGMA testbed”, inThroughput Prediction on the Internet”, IEICE
TRANSACTIONS on Information and Systems, vol.
E95-D, no. 12, pp. 2870–2878, December 2012.

Proceedings of PRAGMA22, April 2012.
(18) Kohei Ichikawa, Taiki Tada, Susumu Date, Shinji
Shimojo, Yoshio Tanaka, Akihiko Ota, Tomohiro(10) ᯽ᓮ♩⏕, 㧗஭ᫀᙲ, “࣮࢜ࣂࣞ࢖࣮ࣝࢸ࢕ࣥࢢ

Kudoh, Cindy Zheng and Philip Papadopoulos, “An⥙࡟࠾ࡅࡿᗈᖏᇦᫎീ㓄ಙࡢࡓࡵࡢ㐺ᛂⓗࢺࣛ

OpenFlow based virtual network environment forࣇ࢕ࢵࢡ࢚ࣥࢪࢽ࢔ࣜࣥࢢ”, ᝟ሗฎ⌮Ꮫ఍ㄽᩥ

PRAGMA cloud virtual clusters”, in Proceedings of

ㄅ, vol. 54, no. 1, pp. 404–413, January 2013.
(11) Yoshihiko Kanaumi, Shu-ichi Saito, Eiji Kawai,
Shuji Ishii, Kazumasa Kobayashi and Shinji Shimojo,

the 22th PRAGMA Workshop, April 2012.
(19) Yoshihiko Kanaumi, Shu ichi Saito, Eiji Kawai,
Shuji Ishiiand Kazumasa Kobayashi and Shinji“RISE: A wide-area hybrid OpenFlow network

Shimojo, “Deployment and operation of wide-area

testbed”, IEICE Transactions on Communications,hybrid OpenFlow networks”, in Proceedings of thevol. E96-B, no. 1, pp. 108–118, January 2013.

Fourth(12) ᕝୖ᭸ஓ, ᑎす⿱୍, ᫓ᮏせ, ୗᲄ┿ྖ, “ࢭࣥ2, pp. 2018–2027, February 2013.

on(20) Tatsuya Fukuda, Ken-ichi Baba and Shinji Shimojo,“A study on hybrid optical network architecture with
OCDM technology”, in Proceedings of IEEE

Hirtum, Xavier Grandchamp and Shigeo Wada,

International Conference on Communications 2012

“Numerical simulation of the influence of the orifice
Fluid Dynamics Research, vol. 45, no. 2, p. 025505,

WorkshopApril 2012.

(13) Julien Cisonni, Kazunori Nozaki, Annemie Van

aperture on the flow around a teeth-shaped obstacle”,

International

Management of the Future Internet, pp. 1135–1142,

ࢧࢹ࣮ࢱࡢព࿡ⓗゎ㔘࡟ᇶ࡙ࡃศᩓࢭࣥࢧ᝟ሗ
⟶⌮ࢩࢫࢸ࣒”, ᝟ሗฎ⌮Ꮫ఍ㄽᩥㄅ, vol. 54, no.

IEEE/IFIP(ICC2012), pp. 3144-3148, June 2012.
(21) Jun

March 2013.
(14) ᕝୖ᭸ஓ, ᑎす⿱୍, ᫓ᮏせ, ୗᲄ┿ྖ, “኱つᶍࢥࣥࢸ࢟ࢫࢺ࢔࢙࢘࢔ࢧ࣮ࣅࢫࡢࡓࡵࡢ Rete࢔ࣝࢦࣜࢬ࣒ࢆ⏝࠸ࡓᆅ⌮ⓗࢥࣥࢸࣥࢶ㓄ಙᡭἲ”, 㟁ẼᏛ఍ㄽᩥㄅ C, vol. 133-C, no. 4, April
2013.
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(22) Kashiwazaki Hiroki, “An adaptive approach for
network traffic load balancing by using one-way(29) Yuichi Togashi, “Toward a theoretical framework

delay”, in Proceedings of 2012 IEEE/IPSJ 12th

for reaction networks in the cell: Modeling inInternational Symposium on Applications and theconsideration

Internet (SAINT), pp. 345–350, July 2012.

Abstracts of “Paradigm Innovation in Biology: Novelof“minority”

andbeyond”,

inStrategy and Thinking” Symposium, p. 3, October(23) Kazunori Nozaki, Hiroyuki Ohsaki, Masao Tanaka,

2012.

Annemie Van Hirtum and Eisaku Sakane, “Strategic
optimization of computation nodes allocation in a(30) Yuhki Shiraishi, Jianwei Zhang, Yukiko Kawai andcoupled simulation: Computational fluid dyanmics

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(24) Tatsuya Fukuda, Ken-ichi Baba and Shinji Shimojo,“Network design for contention avoidance in optical(31) Yukai Yang, Hirotake Abe, Ken-ichi Baba andbroadcast network”, in Proceedings of Photonics inShinji Shimojo, “Staggered flows: An application

Switching 2012 (PS2012), August 2012.

layer’s way to avoid incast problem”, in Proceedingsof IEEE Asia Pacific Cloud Computing Congress(25) Yuhki Shiraishi, Jianwei Zhang, Yukiko Kawai and2012, November 2012.

Toyokazu Akiyama, “Proposal of combination
system of page-centric communication and search”,(32) Daiki Morita, Kohei Ichikawa, Hirotake Abe,in Proceedings of the First International Workshop

Susumu Date and Shinji Shimojo, “Implementation

on Online Social Systems (WOSS 2012), September

and evaluation of multiple deduplication methods of2012.

VM disk images composing a virtual cluster”, inProceedings of the 3rd International Workshop on(26) Tatsuya Hashimoto, Ken-ichi Baba and Shinji
Shimojo, “A study on Routing, Modulation Level,

Ubiquitousand Spectrum Allocation algorithms for elastic(IWUCA2012), December 2012.

optical path networks”, in Proceedings of IEEE PS(33) Yoshimasa

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Yoshihisa, Yuuichi Teranishi, Kiyohide Nakauchi and(ICP2012), pp. 395–399, October 2012.

Nozomu Nishinaga, “Design and implementation of(27) Taiki Tada, Kohei Ichikawa, Susumu Date, Hirotake

sensor data sharing platform for virtualized wide area

Abe, Yasuhiro Watashiba, Hiroaki Yamanaka, Eiji

sensor networks”, in Proceedings of The 3rd

Kawai, Haruo Takemura and Shinji Shimojo, “AInternational Workshop on Streaming Media Delivery

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(41) Kohei Ichikawa, Taiki Tada, Susumu Date, Shinji
Shimojo, Hirotake Abe, Nawawit Kes, Putchong

728–729, December 2012.
(35) Tomoki Yoshihisa and Yuuichi Teranishi, “On

Uthayopas, Bong Zoebir, Lim Teck Leong Derrick,communication load distribution for sensor data

Francis Lee Bu Sung, Cindy Zheng and Philipstream delivery”, in Proceedings of The 2013 FTRA

Papadopoulos, “Network throughput-aware routing

Internationalfor PRAGMA cloud”, in Proceedings of the 24th

Conferenceon

AdvancedIT,

PRAGMA Workshop, March 2013.

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(36) Yuichi

Togashi,““Minorities”

may

rule

reaction-diffusion processes in the cell”, in Abstracts
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the

1st

International

Symposiumofᰝㄞ௜ࡁᅜෆ఍㆟(42) ከ⏣኱㍤, ᕷᕝᪿᖹ, ఀ㐩㐍, 㜿㒊ὒ୔, ୗᲄ┿ྖ,“࣮࢜ࣂࣞ࢖ࢿࢵࢺ࣮࣡ࢡࢆ⏝࠸ࡓ࣐ࣝࢳࢧ࢖ࢺ

the௬᝿ࢡࣛࢫࢱᵓ⠏ࢩࢫࢸ࣒”, ඛ㐍ⓗィ⟬ᇶ┙ࢩMathematics on Chromatin Live Dynamics, Marchࢫࢸ࣒ࢩ࣏ࣥࢪ࣒࢘ㄽᩥ㞟, pp. 219–226, May

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(37) Tomoya Kawakami, Yoshimasa Ishi and Yuuichi
Teranishi Tomoki Yoshihisa, “A delivery method

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(43) ▼ⰾṇ, ᕝୖ᭸ஓ, ⩏ஂᬛᶞ, ᑎす⿱୍, ୰ෆΎ⚽, すỌᮃ, “௬᝿໬ࡉࢀࡓᗈᇦࢭࣥࢧ࣮ࢿࢵࢺ

considering communication loads for sensor data
streamwithdifferent

collection

cycles”,࣮࣡ࢡࢆᵓ⠏ྍ⬟࡜ࡍࡿࣉࣛࢵࢺࣇ࢛࣮࣒ࡢタinィ࡜ᐇ⿦”, ᝟ሗฎ⌮Ꮫ఍࣐ࣝࢳ࣓ࢹ࢕࢔ศᩓ༠

Proceedings of The 28th ACM Symposium Onㄪ࡜ࣔࣂ࢖ࣝࢩ࣏ࣥࢪ࣒࢘(DICOMO 2012) ㄽᩥApplied Computing (SAC 2013), pp. 611–618, March
2013.
(38) Yusuke Ariyoshi, Junzo Kamahara, Naoki Tanaka,
Katsutoshi

Hirayama,

YuuichiTakashiTeranishi,

Nagamatsu

㞟, pp. 2344–2350, July 2012.
(44) ᑠᓥ୍⚽, “ࢤ࣮࣒࡜⼥ྜࡋࡓ e ࣮ࣛࢽࣥࢢၥ㢟㞟ࡢ㛤Ⓨ࡜ホ౯”, ➨ 11 ᅇ᝟ሗ⛉Ꮫᢏ⾡ࣇ࢛࣮and“Location-dependent

content-based image retrieval system based on a P2P

࣒ࣛ(FIT2012), pp. 109–114, August 2012.
(45) ▼ⰾṇ, ᕝୖ᭸ஓ, ⩏ஂᬛᶞ, ᑎす⿱୍, “཰㞟࿘ᮇࡢ␗࡞ࡿࢭࣥࢧࢹ࣮ࢱࢫࢺ࣮࣒ࣜࡢࡓࡵࡢ

mobile agent framework”, in Proceedings of 2013
IEEE

International

Conferenceon㏻ಙ㈇Ⲵࢆ⪃៖ࡋࡓ㓄ಙᡭἲࡢ୍ᐇ⿦”, ᝟ሗฎPervasive⌮Ꮫ఍࣐ࣝࢳ࣓ࢹ࢕࢔㏻ಙ࡜ศᩓฎ⌮࣮࣡ࢡ

Computing and Communications Workshops, pp.

ࢩ ࣙ ࢵ ࣉ (DPSWS2012) ㄽ ᩥ 㞟 , pp. 121–123,

72–77, March 2013.
(39) Toyokazu Akiyama, Takeshi Nishimura, Kazutsuna
Yamaji, Motonori Nakamura and Yasuo Okabe,“Designandimplementationofa

October 2012.
(46) ᕝୖ᭸ஓ, ⩏ஂᬛᶞ, ▼ⰾṇ, ᑎす⿱୍, “཰㞟࿘ᮇࡢ␗࡞ࡿࢭࣥࢧࢹ࣮ࢱࢫࢺ࣮࣒ࣜࡢࡓࡵࡢ

functional㏻ಙ㈇Ⲵࢆ⪃៖ࡋࡓ㓄ಙᡭἲ”, ࣐ࣝࢳ࣓ࢹ࢕࢔

extension framework for authn & authz federation㏻ಙ࡜ศᩓฎ⌮࣮࣡ࢡࢩࣙࢵࣉ(DPSWS2012) ㄽ

infrastructure using web browser add-on”, inProceedings of the International Conference on
Advanced Information Networking and Applications

ᩥ㞟, pp. 136–143, October 2012.
(47) Chunghan Lee, Hirotake Abe, Toshio Hirotsu and(AINA-2013), March 2013.
(40) Kohei

Ichikawa,“International

cloudsusing

OpenFlow”, in Proceedings of PRAGMA Cloud― 108 ―

Kyoji Umemura, “Recent Empirical Evaluation ofAggregate Throughput using Parallel Transfers on
the Internet”, ᝟ሗฎ⌮Ꮫ఍ࢥࣥࣆ࣮ࣗࢱࢩࢫࢸ

࣒࣭ࢩ࣏ࣥࢪ࣒࢘ㄽᩥ㞟, vol. 2012, pp. 53–58,(56) ⩏ஂᬛᶞ, ᑎす⿱୍, “ࢭࣥࢧࢹ࣮ࢱࢫࢺ࣮࣒ࣜ

November 2012.

㓄ಙ࡟࠾ࡅࡿ㏻ಙ㈇Ⲵศᩓ᪉ᘧ࡟㛵ࡍࡿ୍⪃ᐹ”,
ᖹᡂ 24 ᖺᗘ᝟ሗฎ⌮Ꮫ఍㛵すᨭ㒊ᨭ㒊኱఍ㅮ(48) ᯽ᓮ♩⏕, “ࢫ࣮ࣔࣝࢫࢱ࣮ࢺ࡛ጞࡵࡿ኱Ꮫࡢ௬

₇ㄽᩥ㞟, September 2012.

᝿໬ᇶ┙ࡢᵓ⠏࡜㐠⏝ࡢᐇ᝟”, ᝟ሗฎ⌮Ꮫ఍࢖ࣥࢱ࣮ࢿࢵࢺ࡜㐠⏝ᢏ⾡ࢩ࣏ࣥࢪ࣒࢘ 2012 ㄽ(57) 㔝ᕝ⿱グ, ຍ⸨ᑦᚨ, “ᨻ⟇ホ౯⌮ㄽࡢ୍ᥦ᱌—ᩥ㞟, vol. 2012, pp. 94–101, December 2012.

ࢹࢪࢱࣝࢥࣥࢸࣥࢶὶ㏻ࢆ౛࡟ࡋ࡚—”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(SITE2012-40), vol. 112,

ཱྀ㢌Ⓨ⾲㸦ᅜෆ◊✲఍࡞࡝㸧(49) 㛗㇂ᕝ⿱ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, “㛗㊥㞳ᗈᖏᇦࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࣇ࣮ࣟ㛫ᖏᇦබᖹᛶࢆ

no. 228, pp. 7–13, October 2012.
(58) ᕝୖ᭸ஓ, ᑎす⿱୍, ᫓ᮏせ, ୗᲄ┿ྖ, “኱つᶍࢥࣥࢸ࢟ࢫࢺ࢔࢙࢘࢔ࢧ࣮ࣅࢫࡢࡓࡵࡢ Rete⪃៖ࡋࡓࢺࣛࣇ࢕ࢵࢡไᚚ᪉ᘧ”, 㟁Ꮚ᝟ሗ㏻ಙ

࢔ࣝࢦࣜࢬ࣒ࢆ⏝࠸ࡓᆅ⌮ⓗࢥࣥࢸࣥࢶ㓄ಙᡭᏛ఍ᢏ⾡◊✲ሗ࿌(CS2012-5), vol. 112, no. 9, pp.

ἲ ࡟ ࡘ ࠸ ࡚ ”, ᝟ ሗ ฎ ⌮ Ꮫ ఍ ◊ ✲ ሗ ࿌ , vol.

23–28, April 2012.
(50) ᑎす⿱୍, బࠎᮌ㟹ᙪ, “ࣄࢺ࣭ࣔࣀ࣭ࢥࣥࢸࣥ
ࢶࢆࡘ࡞ࡄ኱つᶍ᝟ሗὶ㏻ࢿࢵࢺ࣮࣡ࢡ”, 㟁Ꮚ

2012-DPS-153, no. 4, pp. 1–8, November 2012.
(59) ஂಖ⏣ྜྷᚨ, ⛅ᒣ㇏࿴, Ἑྜ⏤㉳Ꮚ, ⓑ▼ඃ᪝,“࣮࢜ࣉࣥࢯ࣮ࢫ᳨⣴࢚ࣥࢪࣥ࡟࠾ࡅࡿࣛࣥ࢟ࣥ

᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(IN2012-9), vol. 112,ࢢᶵ⬟ᣑᙇ࡜ࡑࡢᛶ⬟ࢳ࣮ࣗࢽࣥࢢ࡟㛵ࡍࡿ୍

no. 4, pp. 43–48, April 2012.

⪃ ᐹ ”, 㟁 Ꮚ ᝟ ሗ ㏻ ಙ Ꮫ ఍ ᢏ ⾡ ◊ ✲ ሗ ࿌(51) ᳃⏣኱ᕼ, ᕷᕝᪿᖹ, 㜿㒊ὒ୔, ఀ㐩㐍, ୗᲄ┿(IA2012-54), vol. 112, no. 302, pp. 13–18, November

ྖ, “௬᝿ࢡࣛࢫࢱࢆᵓᡂࡍࡿ」ᩘࢹ࢕ࢫࢡ࢖
࣓࣮ࢪࡢຠ⋡ⓗ⛣㏦ᡭἲ”, ᝟ሗฎ⌮Ꮫ఍◊✲ሗ࿌, vol. 121, no. 10, May 2012.

2012.
(60) ⚟⏣㐩ஓ, “ග CDM ࢆ⏝࠸ࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺ ࢿ ࢵ ࢺ ࣡ ࣮ ࢡ ࡢ ᵓ ᡂ ᡭ ἲ ”, in Proceedings(52) 㔝 ᕝ ⿱ グ , ຍ ⸨ ᑦ ᚨ , ᒸ ⏣ ோ ᚿ , “DNS ࢺ ࣛࣇ࢕ࢵࢡ࠾ࡼࡧ DNS ࣟࢢࡢྲྀࡾᢅ࠸࡟㛵ࡍࡿἲ ⓗ ᳨ ウ ”, 㟁 Ꮚ ᝟ ሗ ㏻ ಙ Ꮫ ఍ ᢏ ⾡ ◊ ✲ ሗ ࿌

of .net 2012 winter workshop, December 2012.
(61) ᕝୖ᭸ஓ, ▼ⰾṇ, ⩏ஂᬛᶞ, ᑎす⿱୍, “཰㞟࿘ᮇ࠿ࡽࡢ㈇Ⲵ᥎ᐃ࡟ᇶ࡙ࡃࢭࣥࢧࢹ࣮ࢱࢫࢺ

(SITE2012-2), vol. 112, no. 26, pp. 7–11, May 2012.

࣮࣒ࣜ㓄ಙᡭἲ”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ(53) ᶫᮏ❳ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, “࢚ࣛࢫࢸ࢕ࢵ

࿌ (NS2012-118), vol. 118, pp. 7–12, Decemberࢡගࣃࢫࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿ RMLSA ࢔ࣝࢦࣜࢬ࣒ࡢ᳨୍ウ”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(PN2012-11), vol. 112, no. 87, pp. 55–60, June

2012.
(62) ᑠᓥ୍⚽, “ࢤ࣮࣒࡜⼥ྜࡋࡓ e ࣮ࣛࢽࣥࢢၥ㢟㞟ࢩࢫࢸ࣒”, ᝟ሗฎ⌮Ꮫ఍➨ 75 ᅇ඲ᅜ኱఍ㅮ

2012.
(54) ⛅ᒣ㇏࿴, すᮧ೺, ᒣᆅ୍⚞, ୰ᮧ⣲඾, “Webࣈࣛ࢘ࢨᣑᙇᶵ⬟ࢆ⏝࠸ࡓㄆド㐃ᦠᇶ┙ࡢᶵ⬟₇ㄽᩥ㞟, pp. 335–336, March 2013.
(63) ᑎす⿱୍, ᕝୖ᭸ஓ, ▼ⰾṇ, ⩏ஂᬛᶞ, “␗࡞ࡿ㓄ಙ࿘ᮇࢆᢅ࠺ P2P ᆺࢭࣥࢧࢹ࣮ࢱࢫࢺ࣮ࣜ

ᣑᙇࣇ࣮࣒࣮ࣞ࣡ࢡࡢᥦ᱌”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍࣒㓄ಙࢩࢫࢸ࣒”, ᝟ሗฎ⌮Ꮫ఍➨ 75 ᅇ඲ᅜ኱ᢏ ⾡ ◊ ✲ ሗ ࿌ (IA2012-3), vol. 112, no. 90, pp.
13–18, June 2012.
(55) ⚟⏣㐩ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, “ග CDM ࢆ⏝఍ㄽᩥ㞟➨ 3 ศ෉, pp. 17–18, March 2013.
(64) ⩏ஂᬛᶞ, ▼ⰾṇ, ᕝୖ᭸ஓ, ᑎす⿱୍, “P2Pᆺࢭࣥࢧࢹ࣮ࢱࢫࢺ࣮࣒ࣜ㓄ಙࢩࢫࢸ࣒ࡢࡓࡵ

࠸ࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺ࣮࣡ࢡࡢᵓᡂᡭ

ࡢ㏻ಙ㈇Ⲵࣔࢹࣝ”, ᝟ሗฎ⌮Ꮫ఍➨ 75 ᅇ඲ᅜἲ”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(PN2012-18),
vol. 112, no. 195, pp. 23–28, August 2012. Ӑࣇ࢛ࢺࢽࢵࢡࢿࢵࢺ࣮࣡ࢡⱝᡭ◊✲㈹ӑ.

኱఍ㄽᩥ㞟➨ 3 ศ෉, pp. 19–20, March 2013.
(65) ᕝୖ᭸ஓ, ⩏ஂᬛᶞ, ▼ⰾṇ, ᑎす⿱୍, “㏻ಙ㈇Ⲵᆒ➼໬ࡢࡓࡵࡢ P2P ᆺࢭࣥࢧࢹ࣮ࢱࢫࢺ

― 109 ―

࣮࣒ࣜ㓄ಙᡭἲࡢホ౯”, ᝟ሗฎ⌮Ꮫ఍➨ 75 ᅇ(74) ᯽ᓮ♩⏕, ㏆ᇽᚭ, ໭ཱྀၿ᫂, ᴋ⏣཭ᙪ, ኱἟ၿ඲ᅜ኱఍ㄽᩥ㞟➨ 3 ศ෉, pp. 21–22, March 2013.

ᮁ, ୰ᕝ㑳ኵ, ᕷᕝᪿᖹ, Ჷᮅ㞞ᬕ, 㧗஭ᫀᙲ,(66) ▼ⰾṇ, ᕝୖ᭸ஓ, ⩏ஂᬛᶞ, ᑎす⿱୍, “P2P㜿㒊ಇ஧, ᶓᒣ㔜ಇ, ୗᲄ┿ྖ, “ᗈᇦศᩓࢫࢺ

ᆺࢭࣥࢧࢹ࣮ࢱࢫࢺ࣮࣒ࣜ㓄ಙࢩࢫࢸ࣒࡟࠾ࡅ࣮ࣞࢪ᳨ド⎔ቃ࡟࠾ࡅࡿ I/O ᛶ⬟ホ౯”, ᝟ሗฎ”, ᝟ሗฎ⌮Ꮫ఍➨ 75 ᅇ඲ᅜ⌮Ꮫ఍ IOT ➨ 20 ᅇ◊✲఍, vol. 2013-IOT-20, no.

ࡿ㏻ಙ㈇Ⲵࡢィ19, March 2013.

኱఍ㄽᩥ㞟➨ 3 ศ෉, pp. 23–24, March 2013.
(67) ᑠཎ୍ဢ, 㜿㒊ὒ୔, 㤿ሙ೺୍, ୗᲄ┿ྖ, “↓(75) ୰ᕝ㑳ኵ, ᴋ⏣཭ᙪ, ໭ཱྀၿ᫂, ㏆ᇽᚭ, ᯽ᓮ♩⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿಙ㢗ᗘ᝟⏕, ᕷᕝᪿᖹ, ୗᲄ┿ྖ, “኱Ꮫ㛫㐃ᦠ࡟ࡼࡿ㡹ᙉሗ࡟ᇶ࡙ࡃ࣮ࣝࢸ࢕ࣥࢢᡭἲࡢ᳨୍ウ”, 㟁Ꮚ᝟࡞ᗈᇦศᩓࢹ࣮ࢱᇶ┙࢔࣮࢟ࢸࢡࢳࣕࡢᥦ᱌”,ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(NS2012-223), vol. 112,᝟ ሗ ฎ ⌮ Ꮫ ఍ IOT ➨ 20 ᅇ ◊ ✲ ఍ , vol.

no. 463, pp.337–342, March 2013.

2013-IOT-20, no. 20, March 2013.

(68) ⚟⏣㐩ஓ, 㤿ሙ೺୍, ୗᲄ┿ྖ, “ග CDM ࢆ⏝(76) ᯽ᓮ♩⏕, “ᫎീ࢔࣮࢝࢖ࣈࢫࢆ฼⏝ࡋࡓ኱つᶍ࠸ࡓගࣈ࣮ࣟࢻ࢟ࣕࢫࢺࢿࢵࢺ࣮࣡ࢡࡢᵓᡂ࠾

࣓ࢱࢹ࣮ࢱᇶ┙ࡢᵓ⠏”, ᖹᡂ 24 ᖺᗘࠕிࠖࢆ୰

ࡼࡧ㏻ಙᡭἲ”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌᰾࡜ࡍࡿ HPCI ࢩࢫࢸ࣒฼⏝◊✲ㄢ㢟୰㛫ሗ࿌

(PN2012-84), vol. 112, no. 471, pp. 37–42, March

఍, March 2013.

2013.
(69) ▼ⰾṇ, ᕝୖ᭸ஓ, ⩏ஂᬛᶞ, ᑎす⿱୍, “཰㞟࿘ᮇࡢ␗࡞ࡿࢭࣥࢧࢹ࣮ࢱࢫࢺ࣮࣒ࣜࡢࡓࡵࡢ

2011 ᖺᗘ≉ู◊✲ሗ࿌࣭ಟኈㄽᩥ࣭༤ኈㄽᩥ

P2P ᆺ㓄ಙࢩࢫࢸ࣒”, ➨ 5 ᅇࢹ࣮ࢱᕤᏛ࡜᝟ሗ

༤ኈㄽᩥ࣐ࢿࢪ࣓ࣥࢺ࡟㛵ࡍࡿࣇ࢛࣮࣒ࣛ(DEIM 2013)(77) ᕝୖ᭸ஓ, “ࣘࣅ࢟ࢱࢫ⎔ቃ࡟࠾ࡅࡿ኱つᶍࢥࣥㄽᩥ㞟(E6-6), March 2013.

ࢸ࢟ࢫࢺ࢔࢙࢘࢔ࢧ࣮ࣅࢫࡢࡓࡵࡢᇶ┙ᢏ⾡࡟(70) ⃝ ᮧ 㞝 ௓ , ᑎ す ⿱ ୍ , ᫓ ᮏ せ , す ᑿ ❶ ἞ 㑻 ,㛵ࡍࡿ◊✲”, ༤ኈᏛ఩ㄽᩥ, ኱㜰኱Ꮫ኱Ꮫ㝔᝟

“DTN ࣈ࣮ࣟࢻ࢟ࣕࢫࢺ࡟࠾ࡅࡿ㓄ᕸ㐜ᘏ๐ῶࡢࡓࡵࡢ࣓ࢵࢭ࣮ࢪ㏦ಙ㡰ࢫࢣࢪ࣮ࣗࣜࣥࢢᡭ
ἲ࡟㛵ࡍࡿ୍⪃ᐹ”, ➨ 5 ᅇࢹ࣮ࢱᕤᏛ࡜᝟ሗ࣐
ࢿࢪ࣓ࣥࢺ࡟㛵ࡍࡿࣇ࢛࣮࣒ࣛ(DEIM 2013) ㄽሗ⛉Ꮫ◊✲⛉, January 2013.
ಟኈㄽᩥ(78) ከ⏣኱㍤, “ᗈᇦศᩓィ⟬≉ᛶ࡟ᇶ࡙ࡃ⤒㊰ไᚚࢆ⾜࠺௬᝿ࢿࢵࢺ࣮࣡ࢡᵓ⠏ࢩࢫࢸ࣒”, ኱㜰኱ᩥ㞟(F1-4), March 2013.

Ꮫ኱Ꮫ㝔᝟ሗ⛉Ꮫ◊✲⛉, ಟኈᏛ఩ㄽᩥ,(71) Yukai Yang, Hirotake Abe, Ken-ichi Baba andShinji Shimojo, “One approach to avoid incast
problem with scalability”, 㟁Ꮚ᝟ሗ㏻ಙᏛ఍⥲ྜFebruary 2013.
(79) Yukai Yang, “An application-layer approach to
avoid TCP incast problem”, ኱㜰኱Ꮫ኱Ꮫ㝔᝟ሗ

኱఍ㅮ₇ㄽᩥ㞟(BS-1-51), March 2013.

⛉Ꮫ◊✲⛉, ಟኈᏛ఩ㄽᩥ, February 2013.

(72) ᕴᗣᖹ, ⛅ᒣ㇏࿴, “ࢺࣛࣇ࢕ࢵࢡࣃ࣓࣮ࣛࢱࡢ
ࢡࣛࢫࢱࣜࣥࢢ࡟ࡼࡿ␗ᖖ᳨▱ᡭἲࡢ≉ᛶㄪᰝ”,༞ᴗ◊✲ሗ࿌

㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(IA2012-87), vol.

(80) ᅜ㔜⾜ὒ, “ගᅇ⥺஺᥮ࢆ⏝࠸ࡓࢹ࣮ࢱࢭࣥࢱ࣮

112, no. 489, pp. 25–30, March 2013.

ࢿࢵࢺ࣮࣡ࢡࡢࢹ࣮ࢱ㌿㏦ᡭἲ”, ኱㜰኱ᏛᕤᏛ㒊, ≉ู◊✲ሗ࿌, February 2013.

(73) ᮡᒣ᫭ᖹ, ⛅ᒣ㇏࿴, “Web SSO ࡟࠾ࡅࡿ PAKEࢆ⏝࠸ࡓ┦஫ㄆドᶵᵓࡢタィ࡜ᐇ⿦”, 㟁Ꮚ᝟ሗ(81) ᑠཎ୍ဢ, ୗᲄ┿ྖ, “↓⥺࣐ࣝࢳ࣍ࢵࣉࢿࢵࢺ

㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌(IA2012-88), vol. 112, no.

࣮࣡ࢡ࡟࠾ࡅࡿಙ㢗ᗘࢆ⪃៖ࡋࡓ࣮ࣝࢸ࢕ࣥࢢ

489, pp. 31–36, March 2013.

ᡭἲ”, ኱㜰኱ᏛᕤᏛ㒊, ≉ู◊✲ሗ࿌, February2013.
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(82) ㇏ᕝ┤Ꮚ, “CNR (Cloud Network Robot) ࡟࠾ࡅ
ࡿ㏻ಙ㏵⤯⪏ᛶ࡟㛵ࡍࡿ◊✲”, ኱㜰኱Ꮫ኱Ꮫᕤ
Ꮫ㒊, ≉ู◊✲ሗ࿌, February 2013.
(83) ᖹཎㄔ୍㑻, “ࣇ࣮ࣟไᚚ࢖ࣥࢱ࣮ࣇ࢙࣮ࢫࢆ᭷
ࡍࡿ OpenFlow ࢿࢵࢺ࣮࣡ࢡྍど໬ࢯࣇࢺ࢙࢘࢔
ࡢ 㛤 Ⓨ ”, ኱ 㜰 ኱ Ꮫ ᕤ Ꮫ 㒊 , ≉ ู ◊ ✲ ሗ ࿌ ,February 2013.
(84) ⸨஭ᗮ, “↓⥺ࢭࣥࢧࢿࢵࢺ࣮࣡ࢡ࡟࠾ࡅࡿࢹ࣮
ࢱ㌿㏦ࡢ⥾ษࢆ⪃៖ࡋࡓඃඛไᚚᡭἲ”, ኱㜰኱ᏛᕤᏛ㒊, ≉ู◊✲ሗ࿌, February 2013.
(85) Dashdavaa

Khureltulga,“Designandimplementation of high-speed MPI Bcast leveraging
software-defined network”, ኱㜰኱ᏛᕤᏛ㒊, ≉ู◊✲ሗ࿌, February 2013.

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