1Discussion SectionWeek 1EE122: Introduction to Communication NetworksFall 2006Delay and BandwidthDelayBandwidthHELLOHELLOTransmit TimeTransmit TimeSpeed of LightSpeed of Light2Store and Forward• There can be cut-through, but diverse reasons for store-and-forward– Example: screen bad wordsHELLOCut-throughHELLOStore-and-forwardSUC1. CESS 2. *!Store and Forward (Continued)HLELOPropagation DelayTransmit TimeHLELOPropagation DelayTransmit TimeHLELOLatency =Propagation Delay 1+ Transmit Time 1+ Propagation Delay 2+ Transmit Time 2+ Queueing DelayRTT = Latency_Forward +
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