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Explore the concepts of delay, bandwidth, transmit time, store-and-forward, propagation delay, latency, and more in communication networks. Gain insights into cut-through and store-and-forward techniques with real-world examples.
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Discussion SectionWeek 1 EE122: Introduction to Communication Networks Fall 2006
Delay and Bandwidth Delay Bandwidth Transmit Time O L L E H Speed of Light Transmit Time Speed of Light H O L L E
Store and Forward • There can be cut-through, but diverse reasons for store-and-forward • Example: screen bad words Cut-through E O L H L Store-and-forward L H O L E 1. CESS 2. *! C S U
L L L E E E H H H O O O L L L Store and Forward (Continued) Propagation Delay Propagation Delay Transmit Time Transmit Time Latency = Propagation Delay 1 + Transmit Time 1 + Propagation Delay 2 + Transmit Time 2 + Queueing Delay RTT = Latency_Forward + Latency_Reverse