Explain the flow control of TCP protocol when the size of the sliding window will be 500 and the first client sends 201, 301, 402, 455, 330, and once acknowledgments will receive client will send 602. Make a flow control of these packets
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Explain the flow control of TCP protocol when the size of the sliding window will be 500 and the first client sends 201, 301, 402, 455, 330, and once acknowledgments will receive client will send 602. Make a flow control of these packets
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- A TCP connection is using a window size of 8,000 bytes and the previousacknowledgment number was 10,001. It receives a segment with acknowledgment number 12,001 and window size advertisement of 7,000 bytes. Draw a diagram to show the situation of the window before and after.Assume a TCP sender sends four packets of size 1024 bytes, carrying bytes 0-4095. If the second packet is lost, what is the content of the Acknowledgement field sent in response to the third packet? (If you think that no acknowledgement is sent, for example because the third packet is out of order, then answer -1.)An HTTP client opens a TCP connection using an initial sequence number (ISN) of 14,534 and the ephemeral port number of 59,100. The server opens the connection with an ISN of 21,732. Show the three TCP segments during the connection establishment if the client defines the rwnd of 4000 and the server defines the rwnd of 5000. Ignore the calculation of the checksum field.
- TCP is a sliding window protocol. This means... а. the TCP retransmission timer slides up as ACKS are received. O b. there can be more than one segment "in flight" (sent but no ACK has been received) at a time. с. there can only be one segment outstanding (sent but no ACK has been received) at at time.AsapSuppose you are hired to design a reliable byte-stream protocol that uses a sliding window (like TCP). This protocol will run over a 50-Mbps network, the RTT of the network is 80 ms and the maximum segment lifetime is 60 seconds. How many bits would you include in the Advertised Window and Sequence Num fields of your protocol header?
- Computer Science 1.a) In a TCP communication, the receiver set the window size, rwnd=850. On the sender side, Sf=1077 and Sn=1115. The receiver sent an acknowledgement packet with ackNo=1097 and rwnd=830. What is the sliding window size on the sender’s end? Did the window open or close on the sender’s end and from which direction/s (e.g left and/or right direction/s)? b)For the above scenario, the sender now sends 50 bytes and awaits an acknowledgment. What is the Sf and Sn now?SInternet Check sum Consider the figure below (simplex communication scenario). The TCP sender sends an initial window of 4 segments. Suppose the initial value of the sender ན༽)། sequence number, SEQ1, is 100 and the first 4 segments each contain 400 bytes of payload. As you can see ACK 3 is lost. What is the SEQ number (SEQ2, SEQ3, SEQ4, SEQ5) from the Sender and ACK Number (ACK1, ACK2, ACK3, ACK4, ACK5) from the receiver for each segment? Sender Seq1 Seq2 Seq3 Seg4 ACK1 ACK2 ACK3 ACK4 Seq5 ACK5 ReceiverIs that so, or not? Consider a TCP connection where the most recent SampleRTT was 1 second. It is recommended that the TimeoutInterval be set to more than one second.
- Question 8 Suppose that a TCP sender is sending segments with 100 bytes of payload. It sends five segments with sequence numbers 100, 200, 300, 400, and 500. Suppose that the segment with sequence number 300 is lost. What are the ACK values that the receiver returns to the sender after each of the four received segments are received. After receiving segment 100, the receiver responds with an ACK with value: After receiving segment 200, the receiver responds with an ACK with value: After receiving segment 400, the receiver responds with an ACK with value: After receiving segment 500, the receiver responds with an ACK with value: After receiving the retransmitted segment, the receiver responds with an ACK with value:TCP is a sliding window protocol. This means. а. there can be more than one segment "in flight" (sent but no ACK has been received) at a time. O b. the TCP retransmission timer slides up as ACKS are received. O c. there can only be one segment outstanding (sent but no ACK has been received) at at time.In TCP Fast Retransmit, if we receive three duplicate ACKS after sending out a packet that is not incrementally ACK-ed but before the time-out associated with that packet, we immediately retransmit the packet without waiting for the timeout to occur. Why do we wait for three duplicates instead of just one?