-switchedvirtual-?-?,workisacircuit-,howlongdoesittaketosendthepacket?1、+(F+h)/R*Q(F+2h)/R*+(F+h)/,,AandB,,andsupposethepropagationspeedalongthelinkissmeters/,dprop,,dtrans,,obtainanexpressionfortheend-to-==dtrans,whereisthelastbitofthepacket?=dtrans,whereisthefirstbitofthepacket?=dtrans,whereisthefirstbitofthepack
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