WDM光網(wǎng)絡中不精確網(wǎng)絡狀態(tài)信息下的RWA研究.pdf

1、Y987707分類號T^『qLr密級重慶郵電大學碩士學位論文論文題目WDM光網(wǎng)絡中不精確網(wǎng)絡狀態(tài)信息下的RWA研究英文題目壘墨!里魚羔里!璺墮墜塹翌g壘墾墮!塑鯊!!塾篷墊壘墅ig旦里!墮翌i塑!坐窟翌!!!星笪!!塑Q些墨!壁!!壘魚!堡型i壘璺!墮WDM碩士研究生聶蘊——指導教師魚壅迭割熬焦——一學科專業(yè)通位與籃息系統(tǒng)論文提交日期2QQ生5縣2Q目論文答辯日期2QQ生且目論文評閱人叢金朝教授童廛西宣睦縊蟲壬工業(yè)國在E＆盎司包態(tài)割熬撞

2、重廛堅墊盤塋答辯委員會主席李方偉教授重慶郵電大學2006年4月20日重慶郵電人學碩十論文摘要AbstractWiththefastdevelopmentofopticelectronicstechnologyitisnecessarythatall—opticalnetwork，whichbecomposedofopticalwavelengthdivisionmultiplexingtransmissionsystemsandopti

3、calnodeequipments，hasagreatpromiseforthefuturecommunicationnetworkSignalstreamiSalwaystransmittedandswitchedbythemeansoflight，anddonotneedO／EandE／OconversionTherefore，all—opticalnetworkeffectivelyovercomestheelectronicbo

4、ttleneckintroducedbycomplicateddigitalcrossconnectionequipments，accomplishesfastbitrate，greatcapacityandgoodservicequalitycommunicationandpossessesthetransparencyforbitrate，dataformatandmodulationmeansofsignalHoweveropti

5、calintemetworkingdirectlybasedopticalwavelengthhasitsintrinsicdefectsFirstlythenumberofwavelengthsthatcallbemultiplexedinthesamefiberandregardedasidentifiersofwavelengthpathsestablishedinwavelengthroutednetworkissmall，pa

6、rticularlyinlarge—scaleoneSecondlyopticalnodesusuallydonotpossesstheabilityofwavelengthinterchangefortherestrictionofcostandtechnologyopticalnetworkbringsoutso—calledwavelengthcontinuityconstraintbecameconnectionmustbees

7、tablishedonthepaththatbecarriedbythesamewavelengthbetweensourceanddestinationnodesForthepurposeofeffectivelyutilizingresourceofnetwork，itisgoodmethodthatRWAalgorithmbeperformedinopticalnetworkThemajorityofroutingandwavel

8、engthassignmentalgorithmisbaseonprecisenetworkstateinformationandtheprecisionneed臺equentinterchangeofsignalbetweennodesIt’SnotpracticalespeciallyforlargescalenetworksManyotherfactors，suchasnonnegligiblepropagationdelayhi

9、erarchicaltopologyaggregation，CanaffecttheprecisionofthenetworkstateinformationTheimprecisionwilllcadtOhigherblockingincrement，Inthispaper，howtoreducetheeffectsofnetworkinformationtoblockingisdiscussedHowtoguaranteecerta

10、inqualityunderimprecisenetworkinformationiSstudiedindetailsisasfollows：IThewavelengthmultiplextechnologyinopticalnetworksissimplyintroduced，andtheproblemofRWAunderimprecisenetworkstateinformationisbringingout，andthemeani