ꆡCN4321258/TPꆡꆡꆡ볆쯣믺릤돌폫뿆톧2003쓪뗚25뻭뗚3웚ꆡꆡISSN10072130XCOMPUTERENGINEERING&SCIENCEꆡVol125,No13,2003ꆡ컄헂뇠뫅:10072130X(2003)0320001203MPLS뛠능벼쫵퇐뺿ꆡΞResearchontheMPLSMulticastTechnology췵ꆡ?,훬엠뚰,슬컽돇WANGMeng,ZHUPei2dong,LUXi2cheng(맺럀뿆벼듳톧볆쯣믺톧풺,뫾쓏뎤즳ꆡ410073)(SchoolofComputerScience,NationalUniversityofDefenseTechnology,Changsha410073,China)햪ꆡ튪:놾컄짮죫쳖싛쇋횧돖뛠능뗄MPLS맘볼벼쫵컊쳢,냼삨뇪볇붻뮻뗄랢웰랽쪽벰웤탔쓜쳘헷ꆢ탅쇮뗄톡퓱ꆢ뛠능슷평킭틩탐캪뛔MPLS뛠능쪵쿖벼쫵뗄펰쿬뗈ꆣퟮ뫳ퟛ뫏뛠훖벼쫵틲쯘,쳡돶뿉탐뗄MPLS뛠능랽낸,늢쏷좷쇋탨튪뷸튻늽뷢뻶뗄튻킩웤쯻훘튪벼쫵컊쳢ꆣAbstract:ThispaperdiscussesthekeyMPLStechniquesformulticast,includinglabelswitchꆯsinitiationmodeanditsfunctionalcharacteristics,signalingchoice,,thispaperfinallyputsforwardafeasibleschemeforMPLS,andclarifiessomeotherto2be2solvedimportanttechnicalproblems.맘볼듊:MPLS;뛠능쒣탍;뇪볇럖랢킭틩;뛠능슷평킭틩Keywords:MPLS;multicastmodel;LDP;multicastroutingprotocol훐춼럖샠뫅:TP393ꆡꆡꆡꆡꆡꆡꆡꆡꆡꆡꆡꆡ컄쿗뇪쪶싫:A삨뛠쎽쳥뛠뛋붻뮥탍펦폃ꆢ쫽뻝럖엤탍펦폃ꆢ럖늼1ꆡ틽퇔볆쯣탍펦폃틔벰뻼쫂쇬폲뗈ꆣMPLS뛔뛠능횧돖뗄뫋탄컊쳢뻍쫇죧뫎붫뗚MPLS(MultiProtocolLabelSwitch,볲돆MPLS)죽닣뛠능쫷펳짤떽뗚뛾닣솴슷짏ꆣ튪듯떽헢룶쒿ퟮ돵쫇폃살쳡룟슷평웷뗄랢쯙뛈뛸쳡돶뗄킭뗄뇘탫튪MPLS탅쇮킭틩뗄횧돖ꆣMPLS뗄탅쇮틩ꆣ쯼쫇튻훖붫뗚죽닣IP뫍뗚뛾닣붻뮻뷡뫏뗄킭틩뷐ퟶ뇪볇럖랢킭틩,쯼맦뚨뗄쫇뇪볇럖랢맽IP붻뮻벼쫵,웤뫋탄쮼쿫쫇뛔럖ퟩ뷸탐럖샠,틀돌훐뗄룷훖쿻쾢틔벰쿠맘뗄룷훖뒦샭맽돌,폃살뻝늻춬뗄샠뇰캪럖ퟩ듲짏뇪볇,붨솢뇪볇붻뮻슷붨솢뇪볇붻뮻슷뺶늢뛔뇪볇붻뮻슷뺶뷸탐캬뮤ꆣ뺶,쯦뫳퓚MPLS췸싧훐횻틀뻝뇪볇붫럖ퟩ퓚풤MPLS뇪ힼ훐쒿잰듦퓚폐뛠훖뇪볇럖랢킭틩:쿈붨솢웰살뗄뇪볇붻뮻슷뺶짏뒫쫤ꆣLDPꆢCR2LDPꆢRSVP삩햹ꆢBGP삩햹뗈ꆣ퓚MPLS뛠능쫇튻훖폅뮯쪹폃듸뿭뗄슷평벼쫵,퓊탭쳥쾵뷡릹쳡돶횮돵,쎻폐돤럖뾼싇뛔뛠능뗄횧돖ꆣIP쫽뻝쇷듓튻룶풴믲뛠룶풴랢쯍떽뛠룶쒿뗄뗘ꆣLDP뗄튻룶좱쿝뻍쫇쎻폐쳡릩횧돖뛠능뗄믺훆닉폃뛠능벼쫵뫳,펦폃뷶랢쯍쎿룶쫽뻝냼뗄튻럝(쯼쫇튻훖믹폚쒿뗄쫷뷡릹뗄뿘훆킭틩);쿠뛔뛸뾽놴룸튻ퟩ튪뷓쫜탅쾢뗄볆쯣믺ꆣ쫊폃뗄쇬폲냼퇔,RSVP랽낸짨볆쇋횧돖뛠능튵컱뗄믺훆(쯼쫇Ξ쫕믹룥뷰죕쿮웚쒿ꆰ:2002206204;탞뚩죕웚:2002207208:뻅컥ꆱ맺럀뿆벼풤퇐믹뷰훺쿮쒿(;KG0123)ퟷ능헟볲뷩:췵?(1978-),쓐,뫓쓏충냘죋,쮶쪿짺,퇐뺿랽쿲캪볆쯣믺췸싧춨탅;훬엠뚰,뢱퇐뺿풱,퇐뺿랽쿲캪슷춨톶ꆢ평킭틩ꆢ췸싧뛠Q뗘oS횷뗈;슬컽돇,풺쪿,뷌쫚,늩쪿짺떼쪦,퇐뺿랽쿲캪볆쯣믺췸싧ꆢ룟탔쓜볆쯣믺ꆢ듳맦쒣늢탐뒦샭뗈ꆣ:410073뫾쓏쪡뎤즳쫐맺럀뿆벼듳톧볆쯣믺톧풺612뷌퇐쫒;Tel:(0731)4573692Address:Section612,SchoolofComputerScience,NationalUniversityofDefenseTechnology,Changsha,Hunan410073,' 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
믹폚풴쫷뗄뿘훆킭틩\[1\])ꆣꆡ뇪볇붻뮻랢웰랽쪽쒿잰뇪볇붻뮻랢웰(벴LSP붨솢뗄맽돌)랽쪽2ꆡMPLS뛠능쒣탍훷튪폐죽훖:쟫쟳쟽뚯ꆢ췘웋쟽뚯뫍쇷솿쟽뚯ꆣ쟫쟳쟽뚯횸춨맽헬쳽뿘훆킭틩뗄쿻쾢살뒥랢뇪볇뗄퓚횧돖뛠능뗄췸싧훐,룷뷚뗣쪹폃뛠능슷평럖랢;췘웋쟽뚯횸붫죽닣뗄슷평킭틩탎돉뗄췸싧킭틩(죧DVMRPꆢPIMꆢCBT뗈)붨솢뛠능쫷ꆣ죧춼췘웋펳짤돉뇪볇붻뮻슷뺶,퓚췸싧훐쎻폐쇷솿쪱1쯹쪾,풴(Source)뗄쇷솿퇘ퟅ뛠능쫷뷸탐뒫능,튲뿉틔뷸탐;쇷솿쟽뚯쫇횸퓚쒳튻룶LSR쫕떽쳘떽듯뛠능ퟩ뗄룷룶돉풱ꆣ뚨뗄튵컱쇷쪱랢웰뇪볇뗄럖랢ꆣ잰솽헟뫏웰살폖퓚MPLS뮷뺳쿂,뛠능쇷솿뻍튪퇘ퟅp2mp(뗣뷐ퟶ뿘훆쟽뚯ꆣ떽뛠뗣)믲mp2mp(뛠뗣떽뛠뗣)LSP뷸탐붻뮻,헢춼3쏨쫶쇋쟫쟳쟽뚯뗄튻냣쟩뿶\[1\]ꆣ쿂폎뗄퇹뗄뇪볇붻뮻슷뺶뷐ퟶ뛠능LSPꆣ죧춼2쯹쪾,LSR(LSRd)랢쯍튻룶뿘훆쿻쾢떽짏폎LSR평뛠능슷평킭틩짺돉뗄슷평쫷펳짤떽뛠능LSP(LSRu)ꆣ퓚뗚튻훖쟩뿶쿂,LSRu헬쳽떽뿘훆쿻짏,퓚LSRꇤ듦퓚튻룶죫뇪볇뛔펦폚뛠룶돶뇪볇ꆣ쾢,쯼뗄MPLS쒣뿩뻶뚨붨솢튻쳵LSP,폚쫇쯼랢듓MPLS놾짭살쮵,쯼퓚뷸탐뇪볇뗄L2펳짤쯍LDPbind(짏폎훷뚯쒣쪽)믲헟LDPbindrequest쪱듦퓚ퟅ죽룶훷튪뗄뻖쿞탔:(1)폐쿞뗄뇪볇뿕(쿂폎내탨쒣쪽)뿘훆쿻쾢룸LSRdꆣ춬샭,춼3뗄볤;(2)뫏늢(쒳킩L2뗄벼쫵늻횧돖뛠뗣떽뗣뫍폒냫늿럖쏨쫶쇋LSRd퓚쇷돶뿘훆쿻쾢쪱,뒥랢뛠뗣떽뛠뗣뗄솴뷓);(3)TTL횵뗄뗝복ꆣ헢킩뻖붨솢LSP뗄맽돌ꆣ쿞퓚뛠능뗄쟩뿶쿂룼볓춻돶:럖닣뗄뛠능쫷튪쿻뫄듳솿뗄뇪볇횵,뛠능쟩뿶쿂듦퓚뗣떽뛠뗣ꆢ뛠뗣떽뛠뗣뗄솴뷓ꆣ쯹틔,뇘탫뛔쿖폐뗄룷훖믺훆뷸탐룄뷸,싺ퟣ뛠능쒣쪽쿂뗄튪쟳ꆣ춼3ꆡ쟫쟳쟽뚯뇪볇럖랢떥능훷튪쪹폃뿘훆쟽뚯,뛸퓚뛠능뗄쟩뿶쿂,쟩뿶폐쯹쟸뇰ꆣ(1)쇷솿쟽뚯ꆣ쇷솿쟽뚯벼쫵뗄탔쓜컊쳢퓚춼1ꆡ뛠능췸싧쪾샽폚쫽뻝쇷훐볐퓓ퟅ럇뇪볇붻뮻뗄럖ퟩ,헢킩럖ퟩ뇘탫평짏닣뗄뿘훆떥풪살랢\[2\]ꆣ뿘훆떥풪횸뗄쫇퓚뒫춳슷평웷짏쳭볓뗄쪵쿖쇷뗄본뇰뫍뇪볇럖랢킭틩뗄쒣뿩ꆣ듓쒿잰뗄쪵쿖살뾴,췸싧뒦샭웷뿉틔쪵쿖룟킧뗄쇷뗄본뇰,떫쫇뇪볇럖랢뮹쫇튪쪹폃죭볾살뒦샭ꆣ쯹틔,쫽뻝쇷쟽뚯쟩뿶쿂,펰쿬탔쓜뗄훷튪컊쳢퓚폚뿘훆떥풪돐쫜뢺퓘뗄쓜솦뫍쫽뻝쇷훐럇뇪볇붻뮻럖ퟩ뇈샽(p):랢탔쓜=뿘훆떥풪붻뮻쓜솦ꇁp춼2ꆡMPLS뛠능췸싧ꆡ+펲볾랢쓜솦ꇁ(1-p)(1)ꆡꆡ떫쫇,퓚뛠능뗄쟩뿶쿂,쇷솿쟽뚯벼쫵폐ퟔ벺3ꆡMPLS뛠능맘볼벼쫵뗄폅쫆ꆣ쯼퓚폐쇷솿뗄쟩뿶쿂,닅뒥랢뇪볇뗄럖랢,헢퇹늻떫복짙쇋뇪볇뗄쿻뫄,뛸쟒헢훖평쫽뻝MPLS뛠능쒣탍뗄맘볼탔벼쫵냼삨뇪볇붻뮻쇷쟽뚯붨솢뗄LSP룼볓럻뫏뛠능놾짭믹폚풴쫷뗄뗄랢웰랽쪽ꆢ탅쇮뗄톡퓱ꆢ뛠능슷평킭틩탐캪뛔뷡릹ꆣ쪵볊짏,쒿잰RSVP삩햹쪹폃뗄뻍쫇쇷솿MPLS뛠능쪵쿖벼쫵뗄펰쿬뗈ꆣ쟽뚯랽쪽ꆣ2' 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
(2)뿘훆쟽뚯ꆣ뿘훆쟽뚯벼쫵뗄탔쓜컊쳢퓚폚쟣쿲폚쪵쿖LDP,떫퓚뛠능쟩뿶쿂,RSVP튲뇭쿖췘웋뗄뇤뮯뫍뛠능돉풱뗄뚯첬볓죫,헢킩뚼떼훂뿘돶쇋ퟔ벺뗄폅쫆ꆣ훆놨컄쇷솿뗄퓶볓\[2\]ꆣ뛸쟒,ퟮ훘튪뗄튻뗣쫇짏폎ꆡ뛠능슷평킭틩탐캪뗄펰쿬LSR쿲쿂폎LSR쟫쟳뇪볇뗄쪱뫲,퓚쒳룶뷚뗣짏듦쒿잰듦퓚뛠훖뛠능슷평킭틩,죧DVMRPꆢ퓚튻룶죫뇪볇뛔펦뛠룶돶뇪볇뗄쟩뿶,튪쿻뫄듳솿PIM2SMꆢPIM2DM뫍CBT뗈\[5\]ꆣ쯼쏇퓚쫷샠탍ꆢ뿘뗄뇪볇횵ꆣ횧돖뛠능쪱,뻟쳥ퟶ램죧쿂:훆쿻쾢뾪쿺ꆢ볆쯣뢴퓓탔ꆢ퇓동뗈랽쏦룷폐쳘즫ꆣꋙ뛔폚췘웋쟽뚯,뛠능슷평킭틩쒣뿩뢺퓰캬뮤뛠능슷평뇭퓚MPLS뮷뺳쿂,탨튪뾼달뛠능슷평킭틩뗄쿂쇐(MRT),MPLS뗄뿘훆떥풪뢺퓰냑MRT펳짤떽p2mp(뗣떽뛠뗣)뇪볇붻뮻슷뺶(LSP)짏ꆣ쳘탔\[1\]:ꋚ뛔폚쟫쟳쟽뚯,듓쒿잰IETF뗄뚨틥살뾴,뛠능뮷뺳쿂뿉틔쪹폃솽훖뿘훆쿻쾢:뛠능슷평쿻쾢뫍풴풤쇴쿻쾢ꆣ잰헟쫊폃폚(1)뻛뫏ꆣ떥능쟩뿶쿂,늻춬뗄쒿뗄뗘횷퓚랢쯍쿔쪽탅쇮뗄뛠능슷평킭틩,죧PIM2SM뫍CBT(CoreBasedTree,볲돆CBT),웤훐PIM2SM캪죭ힴ첬,CBT퓲캪펲ힴ첬ꆣ뛔폚슷평뇭훐뻛뫏돉튻쿮살짺돉튻룶FEC뫍튻룶쟫쟳쟽뚯펲ힴ첬,퓚캬뮤뛠능쫷뗄쪱뫲뿉틔복짙뿘훆쇷솿ꆣ뫳헟LSP;뛠능쟩뿶쿂뗄뻛뫏쫇횸늻춬뗄뛠능ퟩ쒿뗄뗘퓲쫇샻폃RSVP훐뗄Resvmessage살뒥랢LSP뗄붨솢,뛸쟒뛠능뫍떥능뗄뒦샭쟩뿶쫇튻훂뗄ꆣ횷뗄뛠능쫷뗄뻛뫏,쒿잰뮹뒦폚퇐뺿뷗뛎ꆣ뇭1쇐돶쇋뛠능쟩뿶쿂죽훖쟽뚯랽쪽뗄뇈(2)랺뫩뫍보횦ꆣDVMRP뫍PIM2DM쪹폃헢뷏ꆣ쇷솿쟽뚯뗄뿉뾿탔컞램뫍뿘훆쟽뚯쿠뇈훖믺훆살붨솢뛠능쫷,듦퓚듳솿탅쇮뾪쿺ꆢ쪱볤뾪,훷튪풭틲쫇쫽뻝쇷쟽뚯벼쫵쫜쫽뻝쇷뇤뮯뗄펰쿬쿺뫍뇪볇쿻뫄ꆣ쯹틔,퓚헢훖랽쪽쿂횻쓜쪹폃쫽,뛸쫽뻝쇷뗄뇤뮯럇뎣욵랱뛸쟒쓑틔풤닢ꆣ쿠뛔살뻝쇷쟽뚯,늻쓜쫂쿈붨솢LSPꆣ쮵(3)풴쫷뫍릲쿭쫷틔벰솽훖쒣쪽뗄릲듦ꆣ릲,뿘훆쟽뚯훷튪쫜뿘훆쇷냼삨췘웋뷡릹ꆢ폃뮧쟫쟳ꆢ뛠능돉풱뇤뮯뗈틲쯘뗄펰쿬,뛸헢킩틲쯘쿠뛔쿭쫷쫇쎿룶뛠능ퟩ튻뿃쫷,풴쫷쫇쎿룶풴뫍뛠능쫽뻝쇷뗄뇤뮯살쮵쫇뷏짙뗄ꆣퟩ튻뿃쫷ꆣ쯹틔,릲쿭쫷쿻뫄뗄뇪볇뇈풴쫷튪짙ꆣ뇭1ꆡ뇪볇럖랢쟽뚯랽쪽뇈뷏떫쫇,릲쿭쫷믡돶쿖mp2mpLSPꆣPIM2SM춬쪱횧뇪볇횵뿘훆놨컄뾪쿺뿘훆떥풪뛠능돖풴쫷뫍릲쿭쫷,헢퇹뻍듦퓚솽훖쫷늢듦뗄쟩뿶ꆣ뗄쿻뫄췘뇤웋죭볾뛔탔LSP뗄뿉뾿탔뷢뻶헢룶컊쳢뿉틔놣쇴죽닣뗄랢,폃살뒦샭풴뮯쇷듯떽싊쓜펰쿬붨솢쫷뗄쇷솿,뛸L2폃살뒦샭릲쿭쫷뗄붻뮻ꆣ쇷솿쟽뚯짙킡랴뇈듳랽뇣뗍(4)떥ꆢ쮫쿲릲쿭쫷ꆣ쮫쿲릲쿭쫷(CBT킭쟫쟳쟽뚯뛠듳/킡삧쓑룟틩)믡닺짺듳솿뗄뫏늢뗣,늻샻폚붨솢LSPꆣ떥쿲췘웋쟽뚯뛠듳/킡랽뇣룟릲쿭쫷훐튪쪹솽룶풴쓜릻랢쯍떽듦퓚붻닦랽쿲뗄ꆡ탅쇮뗄톡퓱쒿뗄,뇘탫쪹폃쯭뗀랽쪽,붫쇷솿좫늿랢쯍떽릲쿭쒿잰,MPLS뗄탅쇮킭틩퓚룄뷸뫳뚼뿉틔횧돖쫷뗄룹ꆣ뛠능ꆣ듓쪵쿖풭샭짏살쮵,RSVP쪹폃쯼뗄SE(5)뛠능쫽뻝뗄럢ힰꆣ떥쿲릲쿭쫷뗄풴틔벰(SharedExplicit,볲돆SE)쒣쪽살뒦샭뛠능컊쳢\[3\]ꆣ쮫쿲릲쿭쫷뗄럇돉풱풴퓚췹뛠능ퟩ돉풱랢쯍쫽뻝SE쒣쪽퓊탭뷓쫕헟쏷좷맦뚨웤톡퓱뗄랢쯍헟벯쪱,튪쿈냑뛠능쫽뻝뷸탐럢ힰ,좻뫳랢쯍룸릲쿭쫷뫏,늢캪쯹톡퓱뗄짏폎랢쯍헟(풴)뒴붨튻룶릲쿭뗄룹,평룹살뷸탐뷢럢ힰꆣ헢훖럢ힰ뫍뷢럢ힰ뗄뗄풤쇴,뛸쟒퓊탭탂뻉LSP쯭뗀릲쿭쳘뚨뗄췸싧닙ퟷ튪L3살뒦샭ꆣ쯹틔떱듦퓚헢훖닙ퟷ쪱,쫇컞풴,헢퇹뻍쫊뫏뛠능돉풱뗄볓죫ꆣ램붨솢웰뛋떽뛋뗄LSP뗄ꆣLDP훐튪샻폃LSP2IDTLV믺훆살쪵쿖뛠(6)뮷슷컊쳢ꆣ퓚뛠능쟩뿶쿂,뮷슷컊쳢믡능\[4\]ꆣ쯼냼삨튻룶LSP2ID뫍튻룶죫뿚LSR2ID,샻뇈떥능룼볓퇏훘ꆣ틲캪튻떩랢짺뮷슷,퓚쎿룶듦폃헢솽룶뿘훆뇪볇췸싧훐룷룶뷚뗣뿉틔캨튻좷뚨퓚럖횧뗄뗘랽뻍믡닺짺듳솿뗄뮷슷쫽뻝,룸췸싧럖ퟩ뒫쯍뗄웰쪼뷚뗣ꆣ듸살룼듳뗄뢺퓘ꆣ뇭2ꆡ탅쇮킭틩뇈뷏뇭3ퟜ뷡쇋뛠훖뛠능슷평킭틩폫MPLS쿠맘췸싧뷡릹뿉뾿탔릦쓜뛠퇹탔돉쫬탔뿉삩햹탔쪱튪뾼싇뗄쳘탔,컒쏇듓훐럖컶룷훖킭틩짦벰떽LDP쒿뗄쫷믹뿉폚뾿TCP,뛠퇹늻돉쫬룟(첬펲ힴMPLS쪱뗄폅좱뗣ꆣ샽죧,뗚튻쇐뗄DVMRP쪹폃)떥RSVP풴쫷믹늻폚뿉뾿UDP,돖쿂튻(폎횻횧뇪볇럖내랢탨뫜돉쫬뗍랺뫩보횦뗄랽쪽살붨솢뛠능쫷,쯹틔튪쿻뫄듳솿(쾢뛠쮢탂쿻))뗄뇪볇횵;춬쪱,쯼쪹폃풴쫷,늻듦퓚뫏늢컊쳢ꆣꆡꆡ듓뇭2훐컒쏇뿉틔뾴돶,헻쳥살쮵,MPLS룼(쿂뗚10튳)3' 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
폃쇋뷼쯆솬탸쿟탔쒣탍,떫퓚쪵볊훐럾컱쯙싊쫜풴쫷뗄뷡릹,쪹폃횧돖풴쫷뗄뛠능슷평킭틩,훷튪떽뛠훖틲쯘뗄펰쿬ꆣ뛔Web쟫쟳뷸탐럖샠쫇튻톡퓱쇋뇈뷏쇷탐뗄뛠능슷평킭틩ꆣ쿮쓑뛈뫜듳뗄릤ퟷ,춨뎣쫇믹폚뛔튻뛎쪱볤쓚럃뇭4ꆡ뿉탐뗄MPLS뛠능랽낸컊죕횾뗄럖컶ꆣ헢튲쫇룃쯣램킧싊룟뗍뗄튻룶훘뇪볇랢웰뛠능슷튪틲쯘럖랢랽쪽쫷샠탍LSP놣돖ힴ첬평킭틩뇪볇펳짤펳짤쿻쾢뒫쫤쪱탲뿉뾿탔,캪듋컒쏇튲닉좡쇋튻킩랽램,죧훜웚탔뛔럃컊죕횾뷸탐럖컶ꆢ벰쪱뗷헻럖샠뗈ꆣ룃쯣램뮹RSV쫽뻝P쟽뚯풴쫷죭ힴ첬PIM2DMPIM2SM짏폎내탨폐탲UDP(룄뷸:쪹폃TCP)폐튻뚨뗄뻖쿞탔,쒿잰컒쏇헽퓚뛔헢킩컊쳢뷸탐뿘훆풴ꆢ릲LDP쟽뚯쿭쫷펲ힴ첬PIM2SMMO쿂폎내탨폐탲TCPSPF짮죫퇐뺿ꆣꆡꆡ(2)LDP랽쪽,쪹폃뿘훆쟽뚯랢웰뇪볇붻뮻,닎뾼컄쿗횧돖풴쫷뗄뛠능슷평킭틩PIM2SMꆢMOSPF뗈ꆣ:힢틢,솽훖랽쪽뚼쎻폐쪹폃CBT,훷튪쫇틲캪\[1\]ꆡEmilianoCasalicchio,쯼뗄쮫쿲쫷룸붨솢LSP듸살쇋뫜듳뗄싩랳ꆣingAlgorithmforWebClustersProvidingPultipleServices\[A\].뛔폚솽훖랽쪽,뚼탨튪뷢뻶뗄컊쳢냼삨TTLProc10thIntꆯlConfonWorldWideWeb\[C\].Hongkong,-600.컊쳢\[6\]ꆢMPLS뛠능쇷솿릤돌틔벰낲좫컊쳢뗈ꆣ\[2\]ꆡTrevorSchroeder,SteveGoddard,췸싧훐뗄TTL뒦샭튻횱쫇쳖싛뗄죈뗣,쳘뇰WebServerClusteringTechnologies\[J\].IEEENetwork,2000,14쫇퓚뛠능뮷뺳쿂,MPLS췸싧쫇럖닣뗄,뛸쒿잰뛔(3):뗄룼룄횻쫇뛔햻뚥뗄뇪볇닙ퟷꆣ쯹틔,쿂닣\[3\]ꆡMicheleColajanni,뗄TTL횵횻쓜퓚떯돶짏닣뇪볇쪱튻듎탔룼룄짏닣inScalableDistributedWeb2ServerSystems\[J\].IEEETransonParallelandDistributedSystems,1998,9(6):585-600뗄쳸쫽횵ꆣ뛔폚MPLS뛠능쇷솿릤돌뫍낲좫컊.\[4\]ꆡ쇖뒳.WEB럾컱웷좺벯쟫쟳럖엤뫍톡퓱뗄탔쓜럖컶\[J\].볆쳢,쒿잰뮹쎻폐뷏뫃뗄랽램ꆣ쯣믺톧놨,2000,23(5):355-366.\[5\]ꆡ[쏀\]RajkumarBuyya.횣캬쏱,쪯췾,췵뚫짽,뗈틫.룟탔쓜벯좺볆쯣뷡릹폫쾵춳.뗚튻뻭5ꆡ뷡쫸폯\[M\]놱.뺩:뗧ퟓ릤튵돶냦짧,쿂뗄뛠능믺훆헽뒦퓚퇐뺿뷗뛎,짦벰뫜뛠컊쳢,놾컄뛔웤훐뗄맘볼벼쫵뷸탐쇋쳖싛,춬쪱(짏뷓뗚3튳)뇭3ꆡIP뛠능슷평킭틩튲횸돶쇋쒿잰듦퓚뗄훷튪컊쳢ꆣ뛔폚MPLS뛠능랽낸,늻떥떥튪뾼싇벼쫵뗄뿉탐탔,뮹튪뛔쒿잰췸DVMRPMOSPFCBTPIM2DMPIM2SMSSMSM뻛뫏컞컞컞컞컞컞컞싧훐틑뺭듦퓚뗄킭틩뷸탐볦죝,헦헽쪵쿖MPLS랺뫩뫍보횦쫇럱럱쫇럱럱뿉톡뗄뛠킭틩쳘탔ꆣ쫷뗄샠탍풴풴릲쿭풴풴/릲쿭풴릲쿭닎뾼컄쿗:릲듦(풴쫷뫍릲쿭쫷컞컞컞컞폐컞컞\[1\]ꆡDOoms,BSales,WLivens,)떥ꆢ쮫쿲N/ANMPLS\[R\].,2002./A쮫쿲N/A떥쿲떥쿲쮫쿲럢ힰ컞컞폐컞폐컞폐\[2\]ꆡERosen,AViswanathan,\[R\].RFC3031,2001.컞뮷슷럱럱럱럱럱럱럱\[3\]ꆡJong2MoonChung,MauricioASubietaBenito,HarleenChhabra,\[R\].,ꆡ뿉탐뗄MPLS뛠능랽낸\[4\]ꆡJong2MoonChung,MauricioASubietaBenito,HarleenChhabra,쪵쿖\[R\].MPLS뛠능늢럇룷훖벼쫵ퟩ뫏뚼쫊폃ꆣ,2002.내헕뇪볇럖랢킭틩뗄쪵쿖,뻟쳥뿉탐뗄뛠능랽낸\[5\]ꆡArupAcharya,럖돉솽듳샠,죧뇭4쯹쪾ꆣ뇭4뗄랽낸늢늻쫇캨\[EB/OL\].,2000-03-25.튻뗄\[6\]ꆡPuneetAgarwal,,뛸쫇퓚좨뫢룷훖틲쯘뫳쳡돶뗄뿉톡랽낸ꆣ(1)RSVP랽쪽,쪹폃쫽뻝쟽뚯랢웰ꆣ놾짭쫇\[R\].,' 1995-2005 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
