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Trends on Xcast Technologies

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(1)/. Xcast 기술 동향 동향 Trends on Xcast Technologies. 

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(22)  . 9EÑÒÓEH •  €)‚?KÄ@]ÂY[\*A!BC •  SK[WU/*U@u%@]@g“%”u. @ËK¡/*[£] => @g “D”v ×r ª« o4Nm2“D” Eêâ ýsPEH •  ÂKÂY[\*@u%@]@g“%”uef. •  †/*[£ÄV:;1Q R1Ð?H ×. ÷1 Ð? ÁS"  R1 Ð? œ EH ² Aw5À gêPEH •  J/\*W¢~+\*/[*/W²Ä:;u ª«×÷ •  J/\*£W.*X¡+.²¨:;u ÁS". jBC×÷.  ÂY[\*hiNqïhi 2  4ÉEKÖuÂY[\*¶Ý1 ×÷ "I“D” ŸŒ]H •  -K-) @u%@]@g“%”uhi. 9² m2-)V¡U*+jø" yN 1EPEH •  KW.*@u¨@]@g“%”uhi9. ² ANmP|1jÊBCgjø4. 나. IPv6 Xcast 엔코딩(Xcast6) ÂY[\* ¶ j89 K7_ Ä] |$’ TU ÂY[\*=> 0ÊA,¤¥¶AKefŒ¤ ¥¶u×r9 ¶]V¥5 yN3W" u,Ä<qõ"EH F, é+[~+.ÂY[\**.[\£W.* é+[~+.£[UZW[~G. N1EPEH •  ?†F‚ƒF-)‡K/@] ×÷1  •  G H)TK%@]ÂY[\*¶ÁP¦ÐI •  ‚‡-K'@]ÂY[\*¶EÑþ ¶. III. 기존 네트워크 상에 Xcast 도입을 위한 고려사항. 1 ŽBC •  J?‰‡GK'@]ÂY[\*¶1KKÄ:;Lm] •  )€K+\+.,+~u%@] •  GS??J-?‡ƒKÄ:;]ÂY[\*Ÿ . 9K

(23) ª«uMN$]1O q" È$ö bEH. 1. Xcast 터널링 ÂY[\*rX^gYPefAJ—" ò kÐÂY[\*3Z" Pgr#á9ÂY[\* rXgYPefNN=n" yEH ÂY[\* ef  ?J qï efŒ  Ž. nɈ·ðç2­5 0ÊÁP=>. Ku‚)ƒu))¯]NõÏ" ÂY[\*efŒn. 9EÑÒÓEH-@g“D”u-) w . o["qrPEHnoÏ" uÂY[\*. PEH. hi9Eàef V\V#$1uj. 88.

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(43)  . . %& " ! !  !".   . 2. Premature X2U üefg1EÑefgÂY[\*. IV. Xcast 멀티캐스팅 방식의 장점 ?J1  #$F%GÒ @[2u ÂY[\* FÄG EÑÒÓ9¥åNœ EH •. ef ²Ÿ 1noV¥¬. rX"r`PE yNCe"u7ef . 0ôgPEHy9ÂY[\*gŸ B 1=å. .+[*X.+¨ ¿PEHÖuÂY[\*¶Ý. Ûf¤¥xl6I|÷PEH. jøÉ²²1 ×÷³eqïhi. •  ª«¬­¬0ôgPEH. N²²oÍEH#$9ÂY[\*hi1™. •. 3·?åK¡.[Yé/0£W/*]|Ø"?!¿2. ÂY[\* mn9 oa qï efŒ ³e. ¾EH. 3. SemiSemi-permeable 터널링(IPv6) 터널링(IPv6).  efŒ  Ž 0ô"r ëEH  ´n"?{)e fŒ ŽNô;"rë EH. •. TV)TI †‡ p 6KYW.+] efg. )+/V£+.+[¡Z+ N^9 N1 =nN ô;. P?{u“\/0Z+£W/*W¢¢[/ZX.+”gPEH. "r ë E å ÛfqÏP #áEH,. Zq w #$Ò ØwuÂY[\* . gY"tuV\V9 ¶fgø g. òkÐ r:N L«’" òkÐ x. gY"ÈÉEH,hi9V\V9 Nõ. NLÁ’PEH. Ïø gefafgvw¬ b. •. ?J1  efŒ  Ž9 ü. EH ÂY[\* V\V 9 1 ̛  ÂY[\*. £[*ég ÁqK\U+*./Y]"r ë9 f @. vr¬ P efAÂY[\*7hN?. LL KWV\éW.*+\*V£[*é] AÀr O. JqÝ,7h Ei b|÷. ÂY[\* ÁqÚ gô;5rë EH. "u,¶b  ª« jkl¬ . •. qï   ’ p  OSPEH. b|÷"?m" £.+¢/‘DD’NjøêjEH³e. ?J1  efŒ  Ž  q. 7hiA96|ücd LkÂY[\*. <  efŒ  Ž õ. rXPEcd  !

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(47) Acd ª« .s. 90.

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(51) ­ •. Á è3P¬ b|÷PEH  ²²   Eà. V ª«×÷N56  lø ghijklN¶xȬ |bEH •  ÂY[\* þƒ« 1 A. ;xÉŸ .  "EH. -/¢¢)+.,. ÂY[\*g‡ƒñ1˜5<Ó9E 1g›. W~+W/*\K-) ]jø"|÷¬ bEH. g " Ÿ   "rëru89 1. ?J1 Ž²@~. «¸cŸ ANrXPE å?J1. RÁ2²²17žNA6sTr. #$No“PE¬ bEH. uÂY[\* "I1MNÝ Eà@ô;õoNœ  œ| ÷¬ bEH •  ÂY[\*hi9Rw rï6^³àqï. V. Xcast 기술 로드맵 ÂY[\* ?@9 †T1 )‰Tu SZY[*+Z1 JTu ƒX†/*\X1T-‚34N nuÂY[\*   P y.  Ϭ bEH.  u –—1 ?Å ¸‡ *~.[¢*V~.[¢*VWW\V ÂY[\*1Lå9EÑÒÓEH •. Y[\*V¡[\/YV\£+YVD%H**+ n156btu=. ²hi9cd ª«jøPEH  ª«×÷N€" #áNÏ" yq Ϭ bEH. •. ¶w" þAÊgugPEH²hi  b   ª« ²²9 efŒ. !1. 0ô PEH³eB1 œ ÂY[\*hi9B1qïpB1 efŒ. ! g 0ô"EH fg u. EсE Eà¶œ hi A6ýs PEH 7‚ru EÑÒ Ó o“ gY"EH. >Éo4îókÐg*~.[¢*V£[./~[+\VY[\*V \+YV¢.[+ÞW.3VD%H**+ n156bEFÄGuFGVF&GH ÂY[\*1 ¤¥?@  ‡ 34P ÂY[\*ˆ KÂY[\* *+\/W]u úÅ ?S)‡„‰- 34 P)+~+./*/[*+~TXZ*/Y[\*K)T]uŠ)S 34P)/£Z+£Z/Y/*TXZ*/Y[\*K)T]¯ bEF%DGVF%¨GHÂY[\*=>Pª?@ H‡ƒ <‡gZp34PÂTKÂY[\*W,+.TW¡/Z+ ]uH‡ƒ1ÂY[\*W,+.*é+.+*uƒX†/*\X1ÂY[\*V G[~W¢¢ / TW¡/Z+  ¯ J—PEKK7_ ']  ]F%ÃGVF%ÎGH –—ÂY[\*=>‘’m2Ä'|‡ƒñ1. VÂY[\* !Ú 9 1 AJ. Z$†WƒgBL5ÀIZ$‰‰ 1;. —¬  õÏ5? {u @·?åKWV. x9E»6¾a‹tuLMÎD|ñ1ˆ @. ¡.[Yé/0£W/*]Ò@[¬uÛf9 1. Z$ñ1n? "bEHLM ‡u. ·?åJ—PEHþƒ·?åÆ t. H‡ƒu úÅ ƒX†/*\X ˜±  ÂY[\* ‰KYX¡[V. ¶gA6¾EH. */W‰.WX£] 7žŒN"‡ƒ‘. V @ËN „ gu ¶ Ê  y Ûf L2¾EH V@·?å˜u7A˜89 g"I1. ’pÒpê™3`ÂY[\*|›"?m P;–܎u=>?@BC89¼½N?  b  a‹EH –— ÂY[\* => ;–  91.

(52) 

(53)     /. /. tpwG. zztpwG. Šˆš›G–Œ™Gt–‰“ŒGpwG YWWXSGr{mSGŒ›Gˆ“UG. zntGzœ——–™›G•Gt–‰“ŒGpw YWWWSGr{mG. ov/. Šˆš›Goˆ•‹–G YWWXSGmœ‘›šœG. zntG. G. z”ˆ““Gn™–œ—Gtœ“›Šˆš›G X```SGpitG. tkv]G. tœ“›—“ŒGkŒš›Gv—›–•G YWWWSGmœ‘›šœG. {hG. zljG. Šˆš›GzŒŠœ™› Gm™ˆ”Œž–™’ YWWWSGh“Šˆ›Œ“G. Šˆš›G{ˆŸ–•–”  YWWWSGh“Šˆ›Œ“G. Šˆš›G. jstG. vlG. lŸ—“Š›Gtœ“›Šˆš›G YWWXSGpitSGŒ›Gˆ“UG. j–••ŒŠ›–•“ŒššGtœ“›Šˆš›G X```SGh“Šˆ›Œ“SGŒ›Gˆ“UG. Šˆš›G–Œ™Gl›Œ™•Œ›G YWWXSGr{mG. zltG. Šˆš›RG. z”—“ŒGŠˆš›G YWWXSGpypzhG. Šˆš›GlŸ›Œ•𐖕G YWWXSGl{ypSGŒ›Gˆ“U. zptG. zpwG. zŒ•‹Œ™Gp•›ˆ›Œ‹Gtœ“›Šˆš› YWWXSG~pklG. zpwG–™GŠˆš›Gj–•Œ™Œ•ŠŒ YWWWSGh“Šˆ›Œ“G.  

(54) . . /. Šˆš›TryG YWWXaYZWaWˆWXaaV[X. ]‰–•ŒG. l{yp. {™ˆ•šTlœ™ˆšˆG |jsG. YWWXaYZWaWˆWWaaV[_G. m™ŒŒ‰š‹. r{m YWWXaYZWaWˆWXaaV[_G. АšŠ–. s•œŸ. rhpz{. r{. m™ŒŒ‰š‹. YWWXaYZWaWˆWYaaV[_. YWWXaYZWaWˆWZaaV[_G s•œŸ. ŠšŠ– m™ŒŒ‰š‹. ˆ—ˆ•Vˆ— h——“Šˆ›–•TG™ˆ›SGŠG mœ‘›šœ. 

(55) . ÂY[\*Ä< =>"  †TÒ SZY[*+Z Ê ZB. VI. 국내 XcastXcast-KR 연구동향. P\btuÂY[\*<=>2 úŃX†/*\Xg ?+*†)- a pÜ"  ‘Ì Ê ZB"’. ”Ý ÂY[\*?@Ò=>" ‡@•". tu‡|J/X¨HÄH'?O1ÂY[\* Ê“2. H‡ƒuHS)‡u–™Áu’ ÁuÂY[\*VH¯. 4 C¬nEH. N2=>?@ÁP:;¾¿˜bEH). 92.

(56)   . 참고문헌.  ‡u H‡ƒu H‡u HS)‡ ¯9 ÂY[\* ?@ ÁP:;89¼½N?btuK7_&] < Ó ”Ý ÂY[\*. ‘Ê ;€"u. , ?[*/,+ ` •9 †W+ N a ÂY[\* ?@ÁP™—˜=>?@ANBC"bEH ‡ ÂY[\*ˆ?@?O" ?J1. *+ ',

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(65) -#-#-##"7LA/

(66) %LB = 9(-1-(1L(<5,>5<<<, *4+%, - ##

(67) ,%1' & -P 1 2 39  @-- /&- = 9( - #(( ( 9 1 2 3(<,>7,5<<<,. #$NÁ¦" #á.šu«¸c7žN. *<+/,':-#Œ›Gˆ“,@--/&-@ #-#AQB. m2?Jo“v#áEHÂY[\*. '& -#. 0  -7  "#--  ;-# = 9(:-#(. ?@9LMv§!’uòkÐÈóu ™ ¯Æ t«¸c7žNô;" Æ tS ÏAÈv7h!

(68) #áN3Z ¬ bNy ovEH),1f ?J ¶1 nP¤¥¶" ÂY[\*?YN 3Z gY"ì  ?J1 ,Ä oE  ef ›¥  nu¤¥Ï"Èo¥ö btuV \V9 ¯N 2)+/V£+.+[¡Z+N^ N" òkÐaå¾v|›gY". (  -7 (R-#(<<,>, *+ S, S--7- : ' #  "#--  /&-A'"/B = 9(73((-1(<<,>,5<<, *5+-&#-'-1 @--/&-A'@/B= 9( )&#-(-1 ((<<,>5<<, * + ;, 6  # /, ':-# /"A 7  /)-  "B = 9( ((1-(<<,>TUVW, *?+;-2#.6 7 @: # = 9( (( : # (<,>, *C+O&3@X3-Œ›Gˆ“,/)- "7L:#99)@-- /&-= 9( X3-(:#99((<,>5<<,. ì ÂY[\*?@1|›89¥åNgrbEH     . 93.

(69)

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