即時系統(tǒng)開發(fā)課件

95FallReal-TimeSystemDevelopment即時系統(tǒng)開發(fā)SOAService-OrientedArchitecture2/8/20230/33Preface變“亞太營運中心”為“全球運籌中心

經(jīng)濟現(xiàn)況與展望,930618,何美玥臺灣經(jīng)濟的願景與出路,930929,何美玥,凱達(dá)格蘭學(xué)校女性公共事務(wù)領(lǐng)導(dǎo)班EnterpriseMiddlewareSOA"Thingsshouldbemadeassimpleaspossible,butnosimpler."--AlbertEinsteinSimpleisnoteasy!2/8/20231/332/8/20232/33一、致力創(chuàng)意及速度的產(chǎn)業(yè)政策面臨的環(huán)境知識經(jīng)濟時代知識成為競爭的核心2/8/20234/33計畫名稱96年預(yù)定目標(biāo)值93年預(yù)定目標(biāo)高科技紡織1.產(chǎn)業(yè)結(jié)構(gòu)：衣著：傢飾：產(chǎn)業(yè)用60：20：202.產(chǎn)值：2400億元。1.93年高科技紡織產(chǎn)值預(yù)計達(dá)1500億元。2.93年預(yù)計產(chǎn)業(yè)結(jié)構(gòu)(比率)衣著:傢飾:產(chǎn)業(yè)用=70：15:15。保健機能性食品及保養(yǎng)品產(chǎn)業(yè)1.保健機能性食品產(chǎn)業(yè)產(chǎn)值290億元。2.保養(yǎng)品產(chǎn)業(yè)產(chǎn)值400億元。1.93年保健機能性食品產(chǎn)值預(yù)計達(dá)250億元。2.93年保養(yǎng)品產(chǎn)業(yè)產(chǎn)值預(yù)計達(dá)240億元。高級材料工業(yè)產(chǎn)值達(dá)5500億元。預(yù)計93年產(chǎn)值3600億。光電電子用化學(xué)品產(chǎn)業(yè)產(chǎn)值達(dá)500億元。預(yù)計帶動廠商增加投資5千萬元，總產(chǎn)值預(yù)計330億元。輕金屬產(chǎn)業(yè)發(fā)展計畫產(chǎn)業(yè)產(chǎn)值800億元。促進投資2.2億元，總產(chǎn)值620億元。輕型高效率電動車輛產(chǎn)業(yè)產(chǎn)值200億元。預(yù)計93年產(chǎn)值240億元。運動休閒產(chǎn)業(yè)提高產(chǎn)值至2,500億元產(chǎn)值預(yù)計1,600億元，民間投資8億元1.傳統(tǒng)產(chǎn)業(yè)高值化2/8/20235/33業(yè)別創(chuàng)造產(chǎn)值（億元）促進投資（億元）9192939495919293半導(dǎo)體6,5298,18810,78312,93915,9122,2382,2682,720影像顯示3,0064,1626,6209,50013,7001,0151,1991,591數(shù)位內(nèi)容1,5371,8922,2682,9003,7007887108生物技術(shù)1,1091,2501,3771,5851,897203215250總計12,18115,49221,04826,92435,2093,5343,7694,669備註：93年以後之?dāng)?shù)據(jù)為預(yù)估值。推動成效95年產(chǎn)值：半導(dǎo)體達(dá)1兆5,912億元、影像顯示1兆3,700億元、數(shù)位內(nèi)容3,700億元及生物技術(shù)1,897億元。2/8/20236/33

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設(shè)計

採購配送收付款數(shù)位臺灣-e化商務(wù)◎產(chǎn)業(yè)協(xié)同設(shè)計電子化營運總部-產(chǎn)業(yè)全球運籌電子化◎全球運籌電子化深化◎全球運籌電子化擴散◎全球商業(yè)鏈整合及物流運籌E計畫(90.8~93.6)AB計畫(89.1~90.12)D計畫(90.8~92.12)C計畫中心廠供應(yīng)商國際客戶銀行物流業(yè)者產(chǎn)品預(yù)測需求規(guī)格多地整合設(shè)計變更資料共享模組設(shè)計庫存管理國際倉儲庫存管理貨況追蹤倉儲管理運輸通關(guān)收付帳款資金調(diào)度帳戶整合多行融資跨行融資融資商品採購預(yù)測電子訂單接單管理物料管理存貨管理挑戰(zhàn)20083.產(chǎn)業(yè)電子化，臺灣接單、全球生產(chǎn)及配送2/8/20238/334.產(chǎn)業(yè)ABCDE計畫，健全供應(yīng)鏈地位總產(chǎn)出：-策略性促成國際大廠擴大對臺採購（每年向國內(nèi)採購資訊產(chǎn)品超過180億美元）-擴增國內(nèi)中小企業(yè)接單能力（1800餘家業(yè)者導(dǎo)入電子化連線作業(yè)發(fā)揮整體競爭力）-提昇國際形象與知名度（成功導(dǎo)入國際資訊交換標(biāo)準(zhǔn)並進而制訂國際標(biāo)準(zhǔn)深獲讚揚）-帶動國內(nèi)相關(guān)產(chǎn)業(yè)之電子化成長（扶植國內(nèi)資訊服務(wù)並傳承電子化成功經(jīng)驗）具體成效：(以神達(dá)為例）訂單達(dá)交率：95%98.4%，庫存：22億元4.3億元，訂單回覆：3.5天1.5天IBMHPCompaq3家國際採購商國內(nèi)系統(tǒng)廠商國內(nèi)零組件供應(yīng)商A計畫B計畫自動詢報價訂購交貨驗收付款品質(zhì)管理供應(yīng)商關(guān)係管理自動詢報價訂購交貨驗收付款I(lǐng)BM體系：20家Compaq體系：10家HP體系：12家合計：42家次宏碁體系：240家神達(dá)體系：212家華碩體系：979家：合計：3955家次威盛鴻海光寶國碁國巨世平….等1,800家宏碁神達(dá)華碩大同英業(yè)達(dá)….等15家AB計畫2/8/20239/33產(chǎn)業(yè)需求/規(guī)格分析問題追蹤管理設(shè)計資料共享管理全球收付款、融資全球資金調(diào)度管理宏碁、神達(dá)、華碩、大同…客戶及策略合作夥伴C計畫E計畫D計畫貨況追蹤庫存管理全球運輸規(guī)劃通關(guān)文件管理物流資訊電子製造體系威盛臺積電日月光建準(zhǔn)瑞軒…..金流CashDelivery協(xié)同設(shè)計EngineeringCollaboration世華富邦中銀…..金融機構(gòu)物流服務(wù)業(yè)CDE計畫成效：－融資金額：92年底達(dá)120億，93年第1季達(dá)230億，93年底預(yù)估可達(dá)600億－物流資訊透通：導(dǎo)入12個主要國家之出到貨及組裝據(jù)點，連結(jié)國內(nèi)外物

流平臺及主要客戶Hub計16個。－導(dǎo)入六個體系計有19家國際客戶及164家供應(yīng)商一起參與建構(gòu)各具特

色的研發(fā)價值網(wǎng)路之虛擬社群。鼎新、仲訊、偉盟、關(guān)貿(mào)、汎宇、太一信通、怡康、訊豐….鴻霖、中菲行、寶靈頓、長榮、陽明...CDE計畫2/8/202310/33FocusonEnterpriseMiddlewareWhy?Who?What?When?Where?How?2/8/202312/33IntroductiontoSOAService-OrientedArchitectureaStandardfOrArchitecturedescriptionSocietyOfActuarySocietyOfAncients…2/8/202313/33WhatisanArchitecture?"ThearchitectureofanITsystemisthestructureorstructuresofthesystem,whichcomprisesoftwareandhardwarecomponents,theexternallyvisiblepropertiesofthosecomponents,andtherelationshipsamongthem."(AdaptedfromBassetal.1)2/8/202314/33Service-OrientedArchitecture(1)Anacceptedindustrymodelforrepresentingapplicationsonthenetworkasreusableservices.Variousinterfacestandardsexistfortheseservices.rangefromDCE/RPCandCORBA,DCEsourcecodeisnowavailableunderanOpenSourcelicense(LGPL).throughstoredprocedures

toWebServices.Anarchitecturalstylewhosegoalistoachieveloosecouplingamonginteractingsoftwareagents.2/8/202316/33Service-OrientedArchitecture(2)Inallcases,requestsaremadeoftheservicesbyacallingapplicationthatexpectssomeformofreply;oftenreferredtoasrequest/reply.AfundamentalelementofService-OrientedArchitecturesistheseparationofinterfacefromimplementation.Thisenablesamoreloosecouplingbetweentheserviceconsumerandtheserviceprovider.Theseparationisenabledbymeansofametadatalayerthatmakestheinterfacedefinitionavailableatdesigntime.2/8/202317/33HowdoesSOAachieve

loosecoupling?Employingtwoarchitecturalconstraints:Asmallsetofsimpleandubiquitousinterfacestoallparticipatingsoftwareagents.Onlygenericsemanticsareencodedattheinterfaces.Theinterfacesshouldbeuniversallyavailableforallprovidersandconsumers.Descriptivemessagesconstrainedbyanextensibleschemadeliveredthroughtheinterfaces.No,oronlyminimal,systembehaviorisprescribedbymessages.Aschemalimitsthevocabularyandstructureofmessages.Anextensibleschemaallowsnewversionsofservicestobeintroducedwithoutbreakingexistingservices.2/8/202318/33DerivingWebServicesfromSOAAwebserviceisaSOAwithatleastthefollowingadditionalconstraints:InterfacesmustbebasedonInternetprotocolssuchasHTTP,FTP,andSMTP.Exceptforbinarydataattachment,messagesmustbeinXMLTherearetwomainstylesofWebservices:SOAPwebservicesandRESTwebservices.2/8/202320/33SOAPWebservicesExceptforbinarydataattachment,messagesmustbecarriedbySOAP.ThedescriptionofaservicemustbeinWSDL.ASOAPRPCwebservicebreaksthesecondconstraintrequiredbyanSOA.2/8/202321/33RESTWebServicesInterfacesarelimitedtoHTTP.Thefollowingsemanticsaredefined:HTTPGETisusedforobtainingarepresentationofaresource.AconsumerusesittoretrievearepresentationfromaURI.Servicesprovidedthroughthisinterfacemustnotincuranyobligationfromconsumers.HTTPDELETEisusedforremovingrepresentationsofaresource.HTTPPOSTisusedforupdatingorcreatingtherepresentationsofaresource.HTTPPUTisusedforcreatingrepresentationsofaresource.MostmessagesareinXML,confinedbyaschemawritteninaschemalanguagesuchasXMLSchemafromW3CorRELAXNG.SimplemessagescanbeencodedwithURLencoding.Serviceandserviceprovidersmustberesourceswhileaconsumercanbearesource.2/8/202322/33ManagementincludesSecuritytoauthorizerequests,encryptanddecryptdataasrequired,andvalidateinformation.Deploymenttoallowtheservicetobemovedaroundthenetworktomaximizeperformanceoreliminateredundancytoprovideoptimumavailability.Loggingtoprovideauditingandmeteringcapabilities.Dynamicreroutingtoprovidefail-overorload-balancingcapabilities.Maintenancetomanagenewversionsoftheservice.2/8/202324/33Whatisaservice?asimplebusinesscapabilitygetStockQuote,getCustomerAddressorcheckCreditRatingamorecomplexbusinesstransactioncommitInventory,sellCoveredOptionorscheduleDeliveryasystemservicelogMessageIn,authenticateUser2/8/202325/33CommonMisconceptionsaboutSOAWebservicesarejustlikedistributedobjectsWebservicesisRPCfortheInternetWebServicesneedHTTPWebservicesneedwebserversWebservicesarereliablebecausetheyuseTCPWebservicesdebuggingisimpossible