基于step协议的证券行情分析系统（level-2）的分析与实现

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1、architecture，systemsoftwarearchitecture，inter-pro麟communicationsystemdesign，thelayoutandtheserversetup，designandstructureoftheclientandsolverandclientcommunications,suchasthedelineationoffunctionalmodules，angwgenerationofthesuccessfulrealizationofmarketanalysissystem(LEVEL一2Xthesystemhasbeen

2、successfulinthemarketapplication．Inthispaper,themajorworkdonebythetechnicaldifficultiesandinnovationpointsaleasfollows：1)NationalstandardsJ剐H)0=挖-2004STEP(SecuritiesTradingExchangeProtoc01)protocolwereanalyzedandstudied。2)ProvidedbytheShanghaiStockExchangeSTEPengineswotoanalyzedandresearch，a

3、ndtimFix(FinancialInformationExchange)protocolofopcn-sourceresearch，referenceFIXprotocolsourcecodedevelopeda．suitableprotocalbasedontheLevel2DC黔toSTEPcodemachinesontheShanghaiStockExchangeatII碡tothemarketanalysis，archiving,publishing．3)Onthesecuritiesmarketanalysissystemserver-sidestructurew

4、asstudied,theSolversetupindifferentregions,howtocoordinateauthenticationServer,balancedserveranddataserver,andtomaximizetheflowofcommunicationsoptimizationisaveryimpoctantissue．4)Involvedinthesecuritiesmarketanalysissystemclientarchitecturedesign,thedelineationoffunctionalmodules,andtheprepa

5、rationofsomecode,thecodehasbeenoptimized．Thesystemhastheflexibility,confignrability,scalability,reusability,fromtheperspectiveofsystemdesigntoachievethedesignofthemodularandsealableopen．5)EfficientmodeldesignprocessPool：Thesystemfeaturesthatsystemintheproductionprocessthereare趣lotofdataacces

6、srequests，theprocesssystemthroughtheestablishmentofabuffertanktoreducethecreationanddestructionoftheconsumptionofre$otff淄andimprovesystemefficiency．6)NetworkcommunicationsinterfaceAPIPackaging：Basedonthesystemarchitecturedesignconsiderations,inordertoachievethelevelofsoftwarearchitecture，com

7、municationslayer,applicationlayerandlayeroperationsseparatesystemsbasedon气嫂}IPcommunicationsbottomofthesocketnetworkinterfaceforareasonablepackage，thepackageafterthebottomoftimfunctionasasystemtotheapplicationlayertoprovideprocedurescalledthemselve