層次化網(wǎng)格資源訪問機(jī)制.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文層次化網(wǎng)格資源訪問機(jī)制姓名：劉鵬展申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：計(jì)算機(jī)系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：楊壽保20060508中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文摘要AbstractGridComputinghasbeenanimportanttoolforScientificResearch，andwillbedevelopedasthenextgenerationEnterpriseComputingstyleGridmiddle—w

2、areresolvedsomekeyproblemsinGridenvironment，SuchasJobSubmit，Data—TransferButhowtoutilizetheGridmiddlewareeffectivelytoaccessGridresourceisdependedondeveloper’scapabilityTheproblemthisthesisfocusesonishowtoprovideproperme

3、chanismfordevelopersandenduserstoaccessthegridresourcewiththeGridmiddle—wareThisproblemcanbediscussedinthreelayersInsystemlayertheproblemishowtouseGridsystemservicetoaccess酣dfabricsoftwareandsystemInservicelayertheproble

4、mishowtofindandinvokeaweb—serviceinGridenvironment，Inend—userlayeLtheproblemishowtodevelopaconvenientwebapplicationforenduse_【sInthisthesis，toaccessgridresourcemanagedbygridsystemservice，ajobdescriptionschemaisintroduced

5、toenhanceGridlobServicesTheGriddatatransferisanalyzedtomaketheuseofGriddataservicemoreefficientToaccessGridapplicationservice，architectureofGridinformationcenterisproposedtofmdservicequicklyandanewmethodtoinvokeGridservi

6、ceisalsoimplementedTomakeenduseraccesseasilyAPortletmechanismisadoptedAtlast，aGridsystemisdescribedtowithGridresourceaccessmechanismmentionedaboveThemaincontrlbutionandinnovationofthisthesiscanbesummarizedasfollows：1Redu

7、cethecomplexityofintegratelegacyapplicationintoGridsystemGridmiddlewareprovidestheGridsystembasicfunctions，butthegridapplicationdevelopmentstilldon’thavewelldesignedpatternEveryapplicationneedsdeveloperstoworkforitsdeplo

8、yinginGridThisthesisdesignasystemwhichmakesGridapplicationsbedeployedbyconfigurationnotprogrammingInthissystem，ajobdescriptiondocumentisconfiguredbyfieldexpert，thesystemgenerateuserinterfacefromtheJobdescriptiondocumentS

9、ogriduserscailaccessgridapplicationseasilyThissystemimprovedtheGrid’sabilitytointegratelegacyprogram2DesignandimplementamethodtoinvokeGridServiceTherearedifferentkindsofGridServicesincurrentGridenvironment，manyGridapplic

10、ationsisrepresentedbythesesservicesIntraditionsystems，ServicecanonlybeaccessedbydevelopersDevelopsneedtodevelopwebapplicationotheruserinterfaceforenduserThisthesisadvancedamethodtoaccessserviceautomaticallywithoutdevelop

11、ersThismethodintroducedainvokedoetogeneratethedynamicpagesThemethodisalsocompatiblewithWSRFservices，whichcannotbeinvokedbycurrentGridsystem3DesignandimplementthePortletmechanisminGridenvironmentThelayeredPortletmechanism

12、proposedinthisthesisismorereusableinitsuserinterfaceanditslogicimplementation，comparedCotraditionwebapplicationThismechanismisimplementedinCNGridHeFeiCenterandChinaGridSupportPlatformKeywords：GridResource，GridApplication