ASP外文翻译+原文.docx
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ASP外文翻译+原文
ASP外文翻译+原文
ENGLISHE:
DevelopWebapplicationprogramusingASPthearchitecturethatmustfirstestablishWebapplication.Nowinapplicationfrequentlywithtohavetwo:
ThearchitectureofC/SandthearchitectureofB/S.
Client/serverandcustomerend/serverholdthearchitectureofC/S.
Thecustomer/serverstructureoftwofloor.
Customer/server(Client/Server)modelisakindofgoodsoftwarearchitecture,itistheoneofbestapplicationpatternofnetwork.Fromtechnology,seethatitisalogicconcept,denotewillaapplicationmanytasksofdecomposingdifferencecarryout,commoncompletionisentiretoapplythefunctionoftask.Oneachnetworkmaincomputerofwebsite,resource(hardware,softwareanddata)divideintostep,isnotbalanced,undercustomer/serverstructure,withouttheclientcomputerofresourcethroughsendingrequesttotheserverthathasresource,getresourcerequest,someettheresourcedistributioninnetworknotbalancedness.Withthiskindofstructure,cansynthesizevariouscomputerstocooperatewithwork,letiteachcan,realizethescaleforthesystemofcomputeroptimization(Rightsizing)withscalereducetomelt(Downsizing).Pictureisasfollows:
Itismostoftodivideintocomputernetworkapplicationintotwo,inwhichtheresourceandfunctionthatpartsupportsmanyuserstoshare,itisrealizedbyserver;Anotherpartfaceseveryuser,isrealizedbyclientcomputer,alsonamely,clientcomputerisusualtocarryoutprosceniumfunction,realizesman-machineinteractionthroughuserinterface,oristheapplicationprogramofspecificconducteduser.Andserverusuallycarriesoutthefunctionofbackstagesupporter,managestheoutsiderequestconcerningsetingup,acceptingandreplyinguserthatshared.Foracomputer,itcanhavedoublefunction,isbeingcertainandmomentarytocarvetoactasserver,andagainbecomesclientcomputerinanothertime.
Customer/servertypecomputerdivideintotwokinds,onesidewhooffersserviceiscalledasserver,asksonesideofservicetobecalledascustomer.Tobeabletoofferservice,serveronesidemusthavecertainhardwareandcorrespondingserversoftware;Also,customeronesidemustalsohavecertainhardwareandcorrespondingcustomersoftware.
Theremustbeaagreementbetweenserverandcustomer,bothsidescommunicateaccordingtothisagreement.
Applycustomer/servermodelinInternetservice,therelationbetweencustomerandserverisnotimmutable.SomeInternetnodeoffersserviceontheonehand,alsogetsserviceontheotherhandfromothernode;Itiseveninonetimedialoguecourse,mutualrolealsoexchangesprobably.Asincarryoutfiletransmission,ifbecalledasonesidewhooffersfileserver,iscalledasonesidewhogetsfilecustomer,whenusinggetormgetordersinceanothernodetakesfile,canthinkthatwhatselfuseanditisclientcomputer,isusingputormputordertoanothernodedispatchfilecanagainthinkthemachinethatusedselfisserver.
Multilayercustomer/serverstructure
Alongwiththedevelopmentofenterpriseapplication,recently,haveagainarisenakindofnewmultilayerarchitecture,itappliescustomerendtodivideintotwominutes:
Customerapplicationandserverapply.Customerapplicationisthepartoforiginalcustomerapplication,isanotherandpartialtohavebeentransferedtoservertoapply.Newcustomerapplicationtakestheresponsibilityforuserinterfaceandsimpleregularbusinesslogicandnewserverapplicationresidentcore,changeablebusinesslogic.Thereforeitsstructurehasbecomenew(Clientapplication+Serverapplication)/Serverstructure.Followingpictureshows:
ThiskindofstructurehassolvedtraditionalClient/Servercanexpandproblem,havereducedcustomerendbusinesslogic,andhavereducedtherequirementofcustomerendforhardware.Atthesametimebecauseofalotofbusinesslogicconcentrationshavegonetounitaryapplicationserveron,themaintenanceworkofapplicationsystemhadbeenalsoconcentratedtogether,haveeliminatedtheprobleminthetraditionalstructureofClient/Serverthatsoftwaredistributes.ThiskindofstructureiscalledasthearchitectureofB/S.
Browser/Serverandbrowser/serverholdthearchitectureofB/S.Onessence,Browser/ServerisalsoakindofstructureofClient/Server,itisakindoffromthetraditionaltwolevelsofstructuraldevelopmentofClient/Servercometothethree-layerstructuralspecialcaseofClient/ServerthatappliedonWeb.
InthesystemofBrowser/Server,usercanpassthroughbrowsertoalotofserversthatspreadonnetworktosendrequest.ThestructureofBrowser/Serverismaximumtohavesimplifiedtheworkofclientcomputer,onclientcomputer,needtoinstallanddeployfewcustomerendsoftwar