基于Epon系統(tǒng)的端口管理的設計與實現(xiàn).pdf

1、分類號密級UDC之仁l學位論文基于Epon系統(tǒng)的端口管理的設計與實現(xiàn)(題名和副題名)劉淵(作者姓名)指導教師姓名韓宏電子科技大學副教授成都(職務、職稱、學位、單位名稱及地址)申請專業(yè)學位級別碩士專業(yè)名稱軟件工程論文提交日期2008.3論文答辯日期2008.5學位授予單位和日期電子科技大學答辯委員會主席評閱人2008年斤月8日注l:注明《國際十進分類法UDC》的類號。ABSTRACTABSTRACTWiththeraPiddeveloPm

2、entofhitemet，therearemanyhigherdemsftheIntemetbandwidth.BecausethetraditionaliniernetequiPmentshavebeeomethelimitstointemet，newtechnologiesarebeingPaidmeatention.Underthisbackground，IEEE，whichsetuPanewintemetresearchgrou

3、Pin2000，develoPsEPONtoPologystrUcturetoachievetheaeeesstointemet.Considetingtheadvantages，whicheannotbetranseendedbyotherteehnologies，EPONcriterionwillbeeomeanimportantmemberofIEEE802.3infuture.InChina，agrowingnurnberofe

4、omPanies，whichjointhedefinitiondeveloPmentofEPONsystem，Showsthistendeney.AuthorParticiPatedinthedeveloPmentofEPON，ealledOLT6500，inOeeanobroadComPanyandwasinehargeofsPeeificmodule，ealledPMMmodule，whichwasdesignedtoeontrol

5、thePorts.ThisarticledescribestheProblemsWhichwereeonfroniedbyauthor，duringthedeveloPmentProeess，whiehwasfromthePrimarydesigutoimPlernentofmodule.AndduringtheProcessofdesignandimPlementofPMMmodule，themaindiffieultiesconia

6、in:1.ThedesignandimPlementofPMMonOLT.ItmainlyeontainsthedesignandimP1ementofPMMbasedondoublethreads，whosefunetionsaregenerallydividediniothreeParts，ineludingmonito幣ngstatus，transmittingevents，偽untingthen切mberofPackets.2.

7、叨lesoftwarereuseofeodeonOLTBecausethefunetionsonONUarePartlythesameasthatonOLT，50howtoconstructtheeodeonONUfromOLT，15thePointtedueelinesofeode.3.Theeonununicationsamongdiff比entequ1Pments.BeeauseofthedistributionofPMMmodu