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Frames of 1000 bits are sent over a 1 Mbps link between earth and moon whose propagation delay is 270 msec. Headers are very short and acknowledgements are always piggybacked on to data frames. Three bit sequence numbers are used. What is the maximum achievable channel utilization in (i) Stop and wait protocol (ii) GBN protocol (iii) SR protocol

Frames of 1000 bits are sent over a 1 Mbps link between earth and moon whose propagation delay is 270 msec. Headers are very short and acknowledgements are always piggybacked on to data frames. Three bit sequence numbers are used. What is the maximum achievable channel utilization in (i) Stop and wait protocol (ii) GBN protocol (iii) SR protocol

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
Problem 1PE
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Frames of 1000 bits are sent over a 1 Mbps link between earth and whose moon propagation delay is 270 msec. Headers are very short and acknowledgements are always piggybacked on to data frames. Three bit sequence numbers are used. What is the maximum achievable channel utilization in (i) Stop and wait protocol (ii) GBN protocol (iii) SR protocol
Transcribed Image Text:Frames of 1000 bits are sent over a 1 Mbps link between earth and whose moon propagation delay is 270 msec. Headers are very short and acknowledgements are always piggybacked on to data frames. Three bit sequence numbers are used. What is the maximum achievable channel utilization in (i) Stop and wait protocol (ii) GBN protocol (iii) SR protocol
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