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Computer Networking : A Top-Down Approach

Computer Networking : A Top-down Approach

Authors: James F. Kurose, Keith W. Ross
ISBN: 9780132856201
Edition: 6
Chapter: Transport Layer
Exercise: Review
Question: 9

 

Question

In our rdt protocols, why did we need to introduce sequence numbers?

Answer

Sequence numbers are necessary for a receiver to find out whether an arriving packet contains new data or is a retransmission in our rdt protocols.


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