Thispaperproposesanovelschemebasedonminimumdelayattheedges(MDE)foropticalburstswitching(OBS)networks.ThisschemeisdesignedtoovercomethelongdelayattheedgenodesofOBSnetworks.TheMDEschemefeaturessimultaneousburstassembly,channelscheduling,andpre-transmissionofcontrolpacket.Italsofeaturesestimatedsetupandexplicitrelease(ESXR)signalingprotocol.TheMDEschemecanminimizethedelayattheedgenodesfordatapackets,andimprovetheend-to-endlatencyperformanceforOBSnetworks.Inaddition,comparingwiththeconventionalscheme,theperformancesoftheMDEschemeareanalyzedinthispaper.
