基于網(wǎng)絡(luò)處理器的IP-DSLAM接入認(rèn)證系統(tǒng)的研究與設(shè)計(jì).pdf

1、中圖分類(lèi)號(hào)：TP39303UDC：學(xué)校代碼：10004密級(jí)：公開(kāi)r—1聆083114北京交通大學(xué)碩士學(xué)位論文基于網(wǎng)絡(luò)處理器的IPDSLAM接入認(rèn)證系統(tǒng)的研究與設(shè)計(jì)ResearchandDesignofAccessandAuthenticationSystemInIP—DSLAMbasedonNetworkProcessor作者姓名：王利國(guó)導(dǎo)師姓名：張宏科學(xué)位類(lèi)別：工學(xué)學(xué)科專(zhuān)業(yè)：通信與信息系統(tǒng)學(xué)號(hào)：04120261職稱：教授學(xué)位級(jí)別：碩士

2、研究方向：IP網(wǎng)絡(luò)技術(shù)北京交通大學(xué)2006年12月△旦曼IBgIABSTRACTThenetworkprocessor(yP)integratestheadvantagesofgeneralpurposeCPUandASICasakindofprogrammablechipwithhighperformance，whichcansatisfytheinformationnetwork’Srequirementsofhighperform

3、ance，reliabilityandexpansibilitySotheresearchintoIPDSLAMbasedontheNPhasimportantscientificresearchvalueandpracticalsignificanceInaddition，withtherapiddevelopmentofbroadbandtechnology，theproblemonbroadbandaccesstechnology

4、hasbecomethehotspotwhichpeoplecareaboutEspeciallywhentheEthernettechnologygraduallybecomesthemainstream，howtoattestandmanageusersbecomesthemostimportantproblemtobesolvedintheEthernetenvironmentBecausePPPoEcombinesthemost

5、economicalLANEthernetwiththeexpansibilityandmanagementfunctionofPPP，itbecomesthemainaccessingmodeThecontentofthispaperisoneoftheimportantpartsoftheprojectcalledresearchanddesignofIPDSLAMbasedonNPFirstofall，thispaperillus

6、tratesthebroadbandaccess，IP—DSLAMandNPtechnology；moreoveritintroducesIPDSLAMarchitecturebasedonNPandthepartitionofsoftwaremodulesSecondly，itanalysesprotocolsrelatingtoaccessingandauthenticatingsystemincludingPPPprotocol，

7、PPPoEprotocol，RADIUSprotocoletcAfteranalyzingitdescribestheaccessandauthenticationsystemoperatinginIP—DSLAMtoprovidedistributedserviceforusersThirdly，itintroducestheprogramdesignofPPPoEserverincludingdatastructureandmain

8、flowAtlast，itintroducesdevelopmentenvironmentoftheaccessandauthenticationsystemThesystemdesignedinthispaperisakindofbureaulevelequipmentwhichCallprovidesabilityofaccessandauthenticationbasedonNPThesystemrealizesthefuncti

9、onofaccessandauthenticationinXscalecore，thatiS，thefunctionofBASiSembeddedintoIPDSLAMtoprovidedistributedserviceThesystemsupportsRADIUSauthenticationaswellasPPPoElocalauthenticationtosatisfynetworkoperators’usermanagement