©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(541004),ATM7,TN915.2A1,,,ö,,,,,,,,,,,,,OöEEöO:(1)(2),(3),,(4),öö,,,3ö(),,Gbös(WDM),TbösMbösMbös,,ööö,,ATM,155Mbös20Gbös,,150,a,1961,2001206217©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ös,24818Tbös,40%,99.52Tbös,,2(),,ATM2.1,,,,,,,,1412222.2,,,,,,,,1,1221985,NEC256Mbös(464Mbös)14,(1Gbös),90512Mbös,,,,,,öö2.3,,(),,,,;,,2:,,,274220014:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ös,ATM,:;ATM,,ATM,,ATM,,10TbösATM,,,2.5,,,,(OCDMA),2.6,,,:,;,,,,,,,3,Si2IC(MEMS),,2.7,,:(1)ö;(2)ö;(3)ö;(4)öö,,8,6424,40963,,,,20005,2004,10020001.16200440,,,384220014©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,19992LC..,:,19993..,2000211203(B1)4..,2001204213(6)TalkonthetechnologyofphotonicswitchingZouZili(GuilinInstituteofOpticalCommunications,Guilin,541004)AbstractThetechnologyofphotonicswitchingwhichisveryimportanttechniqueinall2opticalcommunicationnetworksisdiscussed,andthephotonicswitchingincludingSD,TD,WDandotherfourswitchingtechniqueswereintroducedinthispaper.Keywordsopticalcommunications;photonicswitching;all2opticalnetwork,2,,94220014: