标准商业用户售前介绍-加注释.pdf

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1、1/13/20141OMG(对象管理组织)数据分发服务(DDS)可扩展性和性能当前工程应用中存在的问题数据分发服务可以带来的价值和效益RTI公司投入和回报客户案例专业的服务容易混淆的技术RTIDDS和其他DDS产品的不同总结21/13/2014LargestsystemssoftwarestandardsorganizationintheworldOMG是目前世界上最大的系统软件标准的管理组织Moreinfo…•BothAPIandwirestandards•Uniquetothemiddlewareworld(CORBAtried)•APIstandardmeansifyoudeci

2、deyoudon’tlikeRTI,youcanporttoacompetitor•WirestandardmeansyoucanintegratesubsystemsbuiltwithdifferentDDSimplementations•Workstransparentlyeverywhere•RTIsupports70+platforms341/13/2014DDSsolvestwokeychallenges–Scalability&IntegrationisaddressedonthisslideMoreinfo…Awealthofreal-timeinformationisp

3、otentiallyavailabletoday—bothtoyouandtoyourcompetitors.Theorganization/enterprisethatisbestabletoexploitthiswillhaveaninformationadvantageproducingastrongcompetitiveadvantage.RTI’smissionittohelpyouachievethis.Thefundamentalchallengetodayisnolongerphysicalconnectivity.Mostsystemsanddevicesarenet

4、worked.Thechallengesare:•Application-levelconnectivityandinteroperability–Justbecausetwosystemsarenetworkeddoesnotmeanthattheapplicationsrunningonthemcancommunicateandexchangeinformation.Applicationscommunicateusingmanydifferentstandardsaswellasproprietaryandlegacysolutions.Therearealsonetworkan

5、dsecurityboundariestodealwith.Extensivemediationisrequiredtointegratedisparate,independentlydesignedsystems.•Performance•Latency-Wearetalkingaboutreal-timesystems.Real-timeinformationhasashorthalf-life.Itisuselessifyoufireatatargetbasedonitspositionasecondago.Instocktrading,amicrosecondcanmeanth

6、edifferencebetweenmakingormissingatrade.Afewhundredmillisecondscanbethedifferencebetweenprofitandloss.Itisnotjustimportanttohavelowlatency,buttohavecontroloverandvisibilityintotiming.•Highthroughputisalsoimportant.Themoreinformation,thebetterthesituationalawareness.Lowlatencywithhighthroughputis

7、alsoimportant,sincehighthroughputistypicallysymptomaticofaneventthatrequiresaresponse.Unliketypicalenterprisesystems,real-timesystemscan’taffordtojustqueuetransactionsduringpeakload.•Affordability–Budgetsarelimited.Youcanonl