标准商业用户售前介绍-加注释1.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•Uniquetothemiddlewarewo

2、rld(CORBAtried)•APIstandardmeansifyoudecideyoudon’tlikeRTI,youcanporttoacompetitor•WirestandardmeansyoucanintegratesubsystemsbuiltwithdifferentDDSimplementations•Workstransparentlyeverywhere•RTIsupports70+platforms341/13/2014DDSsolvestwokeychallenges–Scal

3、ability&IntegrationisaddressedonthisslideMoreinfo…Awealthofreal-timeinformationispotentiallyavailabletoday—bothtoyouandtoyourcompetitors.Theorganization/enterprisethatisbestabletoexploitthiswillhaveaninformationadvantageproducingastrongcompetitiveadvantag

4、e.RTI’smissionittohelpyouachievethis.Thefundamentalchallengetodayisnolongerphysicalconnectivity.Mostsystemsanddevicesarenetworked.Thechallengesare:•Application-levelconnectivityandinteroperability–Justbecausetwosystemsarenetworkeddoesnotmeanthattheapplica

5、tionsrunningonthemcancommunicateandexchangeinformation.Applicationscommunicateusingmanydifferentstandardsaswellasproprietaryandlegacysolutions.Therearealsonetworkandsecurityboundariestodealwith.Extensivemediationisrequiredtointegratedisparate,independentl

6、ydesignedsystems.•Performance•Latency-Wearetalkingaboutreal-timesystems.Real-timeinformationhasashorthalf-life.Itisuselessifyoufireatatargetbasedonitspositionasecondago.Instocktrading,amicrosecondcanmeanthedifferencebetweenmakingormissingatrade.Afewhundre

7、dmillisecondscanbethedifferencebetweenprofitandloss.Itisnotjustimportanttohavelowlatency,buttohavecontroloverandvisibilityintotiming.•Highthroughputisalsoimportant.Themoreinformation,thebetterthesituationalawareness.Lowlatencywithhighthroughputisalsoimpor

8、tant,sincehighthroughputistypicallysymptomaticofaneventthatrequiresaresponse.Unliketypicalenterprisesystems,real-timesystemscan’taffordtojustqueuetransactionsduringpeakload.•Affordability–Budgetsarelimited.Youcanonl