Consider the following scenario:Frames of 12000 bits are sent over a 400kbps channel using a satellite whose propagation delay is 270ms.Acknowledgements are always piggybacked onto data frames. (That is, in the case of stop-and-wait, the next frame cannot be transmitted until the entire frame containing the acknowledgement is received.)Five-bit sequence numbers are used.What is the maximum achievable channel utilization for(a) Stop-and-wait.(b) Protocol 5 (i.e., Go Back N).(c) Protocol 6 (i.e., Selective Repeat)

Protocols in Networking A network protocol is a set up set of decides that decide how information…

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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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Consider the following scenario:

Frames of 12000 bits are sent over a 400kbps channel using a satellite whose propagation delay is 270ms.
Acknowledgements are always piggybacked onto data frames. (That is, in the case of stop-and-wait, the next frame cannot be transmitted until the entire frame containing the acknowledgement is received.)
Five-bit sequence numbers are used.

What is the maximum achievable channel utilization for

(a) Stop-and-wait.

(b) Protocol 5 (i.e., Go Back N).

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