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Suppose that the underlying network not only can delay, corrupt or lose packets, but may also deliver packets oul-of-order. For example, if packet 0 is sent before packet 1 by the sender, the network may deliver packet 1 to the receiver before packet 0 (in this case, note that neither packet is lost; instead they are delivered out-of-order, namely, pneket 1 alhcad of packet 0). Please come up with a scennrio to show that using only a one-bit sequence number (i.c., 0 or 1) is not sufficient. In other words, the protocol will not function correctly. (Hint: Present a scenario where the recciver may not be able to distinguish a retransmitted packet from a new packet!)

Suppose that the underlying network not only can delay, corrupt or lose packets, but may also deliver packets oul-of-order. For example, if packet 0 is sent before packet 1 by the sender, the network may deliver packet 1 to the receiver before packet 0 (in this case, note that neither packet is lost; instead they are delivered out-of-order, namely, pneket 1 alhcad of packet 0). Please come up with a scennrio to show that using only a one-bit sequence number (i.c., 0 or 1) is not sufficient. In other words, the protocol will not function correctly. (Hint: Present a scenario where the recciver may not be able to distinguish a retransmitted packet from a new packet!)

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Suppose that the underlying network not only can delay, corrupt or lose packets, but may also deliver packets out-of-order. For example, if packet 0 is sent before packet 1 by the sender, the network may deliver packet 1 to the receiver before packet 0 (in this case, note that neither packet is lost; instead they are delivered out-of-order, namely, packet 1 ahcad of packet 0). Please come up with a scenario to show that using only a one-bit sequence number (i.c., 0 or 1) is not sufficient. In other words, the protocol will not function correctly. (Hint: Present a seeario where the recciver may not be able to distinguish a retransmitted packet from a new packet!)
Transcribed Image Text:Suppose that the underlying network not only can delay, corrupt or lose packets, but may also deliver packets out-of-order. For example, if packet 0 is sent before packet 1 by the sender, the network may deliver packet 1 to the receiver before packet 0 (in this case, note that neither packet is lost; instead they are delivered out-of-order, namely, packet 1 ahcad of packet 0). Please come up with a scenario to show that using only a one-bit sequence number (i.c., 0 or 1) is not sufficient. In other words, the protocol will not function correctly. (Hint: Present a seeario where the recciver may not be able to distinguish a retransmitted packet from a new packet!)
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