http缓存系统设计及实现

http缓存系统设计及实现

ID:33322934

大小:12.52 MB

页数:67页

时间:2019-02-24

http缓存系统设计及实现_第1页
http缓存系统设计及实现_第2页
http缓存系统设计及实现_第3页
http缓存系统设计及实现_第4页
http缓存系统设计及实现_第5页
资源描述:

《http缓存系统设计及实现》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库

1、西南交通大学硕士研究生学位论文第1I页ABSTRACTInrecentyears,thenumberofIntemetusersandthedemandforIntemetapplicationshasquicklyincreased,andagreatamountofdatatrafficconsumesnetworkbandwidth,resultinginadeclineinnetworkcongestionanddatatransmissionspeed.Therefore,Webcachetechnologyhasbecomeahotresearchfieldofnetw

2、orkapplication.Inthethesis,晰ththecurrentmainstreamofcachetechnologyclassifiedandanalysed,wefindthatwhenthefamouscacheproxyserver,likeSquidorApache,isrunningandthecachemissestheuser’Srequest,theprocessbasedonmonitoringbyinterceptionwilladdextrauser’Saccessdelay.Inordertosolvethisproblem,thethes

3、isputsforwardthecachetechnologybasedonmonitoringbybypassmirrored.ThetechnologyusesbypassportmirroredtomonitorusersInternettraffic.Accordingtothetendencyofusers’request,thesystemdownloadsandcachestheWebresourceswhicharefrequentlyrequested.Whenthecachesystemlistenstoauser’Srequestandtherequested

4、Webresourcehasbeencached,thesystemwillusetheHTTPsession蝎ackingtechnologytoguidetheusertocachesystemtoobtaintheresourcesneeded.SOtheusernolongerneedstoconnect耐maremoteWebserver.Therefore,thecachetechnologybasedonmonitoringbybypassmirrorednotonlyreducesnetworkoutletflow,savesbandwidthcharges,acc

5、eleratesuser’saccessandtransmissionspeed,atthesalTletimesolvestheissuethatcachetechnologybasedonmonitoringbyinterceptionaffectstheuseraccessdelay.OurHTTPcachesystembasedonmonitoringbybypassmirroredisdesigrtedontheWindowsplatform.Forachievingmirroredmonitoringfunction,ThesystemusesWinPcaptoolto

6、capturerawnetworkpacketsfromtheimageflow,andthroughnetworkprotocolanalysisandfiltering,thesystemgetstheinformationofuserrequestingWebresource.ForWebresourceswhichusersfrequentlyrequest,systemusesSocketprogramtodownloadthemfromextemalnetworkandcachethemondisk.Forachievingthemanagementanddistrib

7、utionofdiskcache,ThesystemusesIISprogramtoestablishtheIntranetHTTPserver,Guidinguserstoobtainthecachedresourcesisbypacketagingtheresponsepacketcontainingthecachelocation,andthesystemactasWebservertocheatuserstoobtainresourcesfromIntrane

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。