EBK COMPUTER NETWORKING
EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Chapter 4, Problem R33RQ
Program Plan Intro

Destination-based forwarding:

Destination based forwarding is a packet forwarding technique which is based on the destination address. Every data packet used in the transmission has the information of the address of the required destination.

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A new architecture, with N layers, is proposed. User application at the top layer generates a message of M bytes. At each layer, an H bytes header is added. The second layer of that architecture also adds T bytes trailer. In this architecture, the message M is not divided into smaller packets at any layer.  What is the size of the final message (in bytes) transferred by the lower layer? If we consider the headers and trailers to be an overhead, what is the percentage of such overhead to the total size of the final message?
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