题目内容

考虑两台主机A和主机B由一条带宽为R bps、长度为M米的链路互连，信号传播速率为V m/s。数据帖长度为L,假设主机A从t=0时刻开始向主机B发送分组。试求： 1)传播延迟（时延）dp； 2)传输延迟dt； 3)若忽略结点处理延迟和排队延迟，则端到端延迟de是多少？ 4)若dp>dt，则t=dt时刻，分组的第一个比特在哪里？(注：1k=10^3,1M=10^6)

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