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Q1.   https://gateoverflow.in/3375/gate2008-it-64

Q2.  https://gateoverflow.in/8481/gate2015-3-28

In Q1 the rtt is doubled while calculating but in Q2 rtt is not doubled. why ? .

asked in Computer Networks by (159 points) | 21 views
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Well in the first question , it is said that "A 11 Mbps satellite link connects two ground stations." ,  so the frame goes from

STATION1------> SATELLITE -------> STATION2 and ack follows,

STATION2------> SATELLITE--------> STATION1.

So the total RTT in Q1 will be 4*Propagation_Delay.

In Q2, there's no satellite in between stations.

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