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Calculate the latency (from first bit sent to last bit received) for: (a) 1-Gbps Ethernet with a single store-and-forward switch in the path and a packet size of 5000 bits. Assume that each link introduces a propagation delay of 10 us and that the switch begins retransmitting immediately after it has finished receiving the packet. (b) Same as (a) but with three switches.

Calculate the latency (from first bit sent to last bit received) for: (a) 1-Gbps Ethernet with a single store-and-forward switch in the path and a packet size of 5000 bits. Assume that each link introduces a propagation delay of 10 us and that the switch begins retransmitting immediately after it has finished receiving the packet. (b) Same as (a) but with three switches.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Calculate the latency (from first bit sent to last bit received) for: (a) 1-Gbps Ethernet with a single store-and-forward switch in the path and a packet size of 5000 bits. Assume that each link introduces a propagation delay of 10 us and that the switch begins retransmitting immediately after it has finished receiving the packet. (b) Same as (a) but with three switches. (c) Same as (b), but assume the switch implements "cut- through" switching; it is able to begin retransmitting the packet after the first 128 bits have been received.
Transcribed Image Text:Calculate the latency (from first bit sent to last bit received) for: (a) 1-Gbps Ethernet with a single store-and-forward switch in the path and a packet size of 5000 bits. Assume that each link introduces a propagation delay of 10 us and that the switch begins retransmitting immediately after it has finished receiving the packet. (b) Same as (a) but with three switches. (c) Same as (b), but assume the switch implements "cut- through" switching; it is able to begin retransmitting the packet after the first 128 bits have been received.
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