Consider the Go-back-N protocol with a sequence number space {0,1,2,3} and a window size N=3, and suppose that the sender wants to send 7 packets in total (excluding retransmissions), where the first packet sent will get sequence number 0. Assume that the 2-nd packet sent by the sender as well as the first ACK with a sequence number of 2 are both lost. All other messages arrive within 1 unit of time, and the sender uses a timeout value of 4 time units before initiating a retransmission. You can assume that the sender sends all packets as soon as possible and we neglect the transmission delay. • List all sequence numbers in the exact order in which they arrive at the receiver. (Note that this includes sequence numbers of packets sent in retransmission.) • What are the values of the send_base and the rcv_base variables after the sender has received the ack for its final packet?
Consider the Go-back-N protocol with a sequence number space {0,1,2,3} and a window size N=3, and suppose that the sender wants to send 7 packets in total (excluding retransmissions), where the first packet sent will get sequence number 0. Assume that the 2-nd packet sent by the sender as well as the first ACK with a sequence number of 2 are both lost. All other messages arrive within 1 unit of time, and the sender uses a timeout value of 4 time units before initiating a retransmission. You can assume that the sender sends all packets as soon as possible and we neglect the transmission delay. • List all sequence numbers in the exact order in which they arrive at the receiver. (Note that this includes sequence numbers of packets sent in retransmission.) • What are the values of the send_base and the rcv_base variables after the sender has received the ack for its final packet?
Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
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Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![Question 7
Consider the Go-back-N protocol with a sequence number
space {0,1,2,3} and a window size N=3, and suppose that
the sender wants to send 7 packets in total (excluding
retransmissions), where the first packet sent will get
sequence number 0.
Assume that the 2-nd packet sent by the sender as well as
the first ACK with a sequence number of 2 are both lost. All
other messages arrive within 1 unit of time, and the sender
uses a timeout value of 4 time units before initiating a
retransmission. You can assume that the sender sends all
packets as soon as possible and we neglect the
transmission delay.
• List all sequence numbers in the exact order in which
they arrive at the receiver. (Note that this includes
sequence numbers of packets sent in retransmission.)
• What are the values of the send_base and
the rcv_base variables after the sender has received the
ack for its final packet?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6780fa13-490c-4f7c-8b44-ebe0b55f1e7e%2F9298e435-6aca-4fc1-8bdd-646c0f1be576%2Fv5pnr0a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 7
Consider the Go-back-N protocol with a sequence number
space {0,1,2,3} and a window size N=3, and suppose that
the sender wants to send 7 packets in total (excluding
retransmissions), where the first packet sent will get
sequence number 0.
Assume that the 2-nd packet sent by the sender as well as
the first ACK with a sequence number of 2 are both lost. All
other messages arrive within 1 unit of time, and the sender
uses a timeout value of 4 time units before initiating a
retransmission. You can assume that the sender sends all
packets as soon as possible and we neglect the
transmission delay.
• List all sequence numbers in the exact order in which
they arrive at the receiver. (Note that this includes
sequence numbers of packets sent in retransmission.)
• What are the values of the send_base and
the rcv_base variables after the sender has received the
ack for its final packet?
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