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提问人：网友wind00123 发布时间：2022-01-07

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Whatarethreeproblemswiththetaildropmechanismofmanaginginterfacecongestion？（）

A.Queuingintroducesequaldelaysforpacketsofthesameflow，resultinginjitter.

B.Whencongestionoccurs，droppingaffectsmostoftheTCPsessions，whichsimultaneouslybackoffandthenrestartagain.

C.Allbufferscantemporarilybeseizedbyaggressiveflows，andnormalTCPflowsexperiencebufferstarvation.

D.Thereisnodifferentiateddropmechanism.Higherprioritytrafficisdroppedinthesamewayasbest-efforttraffic.

E.InTCPstarvation，trafficexceedsthequeuelimitbecauseoftheburstynatureofpacketnetworks.AroutercannothandlemultipleconcurrentTCPsessions.

F.GlobalsynchronizationoccursbecausemultipleTCPhostsreducetheirtransmissionratesatrandomintervalsinresponsetopacketdropping

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