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《Evaluation_Of_OF_Controllers》由會員上傳分享，免費在線閱讀，更多相關內容在學術論文-天天文庫。
1、EvaluationofOpenFlowControllersGuillermoRomerodeTejadaMuntanerOctober15,2012AbstractThemainobjectiveofthisprojecthasbeentoperformastudyandevaluationofdi er-enttypesofOpenFlowcontrollersthatexisttoday.Initially,hasbeenperformedadetailedstudyontheOpenFlowtechnolog
2、yanddi erenttypesofcontrollersthatcanbeimplemented(amongothertheNOX,Beacon,Trema,SNACandMaestroControllers).Then,havebeendesignedtwoapplications,usingBeaconandTremaControllers,bothapplicationswiththesamepurpose:redirectthePingmessages.Finally,havebeenevaluatedth
3、esetwoapplicationsdesignedandlearning-SwitchapplicationofthefollowingControllers:NOX,Beacon,TremaandMaestro.OpenFlowisanewtechnologybasedontheSoftware-De nedNetworking(SDN)conceptthatconsistsinbreakwiththeconventionalmodelofnetworkwhereistheSwitchthatdecidesthea
4、ctionsthathavetodo.OpenFlowtechnologyseparatestheControlPlanefromtheDataPathandthisallowsfornetworkresearcherstodeveloptheirownalgorithmstocontroldata
owsandpackets.OpenFlowtechnologyimplementsthecontrollogiconanexternalcontroller(typicallyanexternalPC)andthisco
5、ntrollerisresponsiblefordecidingtheactionsthattheSwitchmustperform.ThecommunicationbetweenthecontrollerandtheDataPathismade,onthenetworkitself,usingtheprotocolthatprovidesOpenFlow(OpenFlowProtocol).Thereisanon-pro torganizationcalledOpenNetworkFoundation(ONF),or
6、ganizationthatisresponsibletocontrolandpublishthedi erentOpenFlowspeci cationsandwillgivethetrademarklicense"OpenFlowSwitching"tocompaniesthatadoptthisstandard.AbstractDetfr?amstasyftetmeddettaprojektharvaritattg?oraenstudieochutv?arderingavolikatyperavOpenFlows
7、tyrenhetersom nnsidag.Inledningsvis,hargenomf?orteningaendeunders?okningavOpenFlowteknikocholikatyperavregulatorersomkangenomf?oras(blandannatNOX,Beacon,Trema,SNAC-ochMaestro-styrenheter).Sedan,harutformatstvapro-grammedBeaconochstyrenheterTrema,badaans?oknin
8、garnamedsammasyfte:omdirigeraPing-meddelanden.Slutligen,harutv?arderatdessatvautformadeprogramochl?arande-Switchtill?ampningenavf?oljandestyrenheter:NOX,Beacon,Trema
