Host A and B are directly connected with a 100 Mbps link. There is one TCP connection between the two hosts, and Host A is sending to Host B an enormous file over this connection. Host A can send its application data into its TCP socket at a rate as high as 120 Mbps but Host B can read out of its TCP receive buffer at a maximum rate of 50 Mbps. Describe the effect of TCP flow control.
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- Host A and B are directly connected with a 100 Mbps link. There is one TCP connection between the two hosts, and Host A is sending to Host B an enormous file over this connection. Host A can send its application data into its TCP socket at a rate as high as 120 Mbps but Host B can read out of its TCP receive buffer at a maximum rate of 50 Mbps. Describe the effect of TCP flow control.Host A and B are linked directly to a 100 Mbps link. There is a TCP link between the two servers, and the host A sends a huge file to host B. Host A can transmit its application data to its TCP socket at a rate of 120 Mbps, but Host B can read its TCP buffer at a maximum speed of 50 Mbps. Describe the TCP flow control effect.Hosts A and B are directly connected with a 1 Gbps link. There is one TCP connection between the two hosts, and Host A is sending to Host B an enormous file over this connection. The application at Host A can send its data through the TCP socket at a rate as high as 200 Mbps. The application at Host B can read data through its TCP socket from the respective TCP receive buffer at maximum rate of 100 Mbps. What will happen if the receiver's receive buffer gets full? If the buffer gets full, a zero window will be advertised and the sender will stop sending segments. If the buffer gets full, a large window will be advertised and the sender will stop sending segments. If the buffer gets full, a zero window will be advertised and the sender will keep sending segments of one byte. None of the mentioned If the buffer gets full, a small window will be advertised and the sender will keep sending segments of small size.
- Suppose an extension of TCP allows window size much larger than 64 KB. Assume the extended TCP runs over a 100-Mbps link with RTT 100 ms, segment size is 1 KB, and receiving window size is 1 MB. How long does it take to send a 200 KB file?Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 126. Suppose Host A then sends two segments to Host B backto-back. The first and second segments contain 80 and 40 bytes of data, respectively. In the first segment, the sequence number is 127, the source port number is 302, and the destination port number is 80. Host B sends an acknowledgment whenever it receives a segment from Host A. d. Suppose the two segments sent by A arrive in order at B. The first acknowledgment is lost and the second acknowledgment arrives after the first timeout interval. Draw a timing diagram, showing these segments and all other segments and acknowledgments sent. (Assume there is no additional packet loss.) For each segment in your figure, provide the sequence number and the number of bytes of data; for each acknowledgment that you add, provide the acknowledgment number.Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 126. Suppose Host A then sends two segments to Host B backto-back. The first and second segments contain 80 and 40 bytes of data, respectively. In the first segment, the sequence number is 127, the source port number is 302, and the destination port number is 80. Host B sends an acknowledgment whenever it receives a segment from Host A.a. In the second segment sent from Host A to B, what are the sequence number, source port number, and destination port number?b. If the first segment arrives before the second segment, in the acknowledgment of the first arriving segment, what is the acknowledgment number, the source port number, and the destination port number?c. If the second segment arrives before the first segment, in the acknowledgment of the first arriving segment, what is the acknowledgment number?d. Suppose the two segments sent by A arrive in order at B. The…
- Host A and B are communicating over a TCP connection. Host B has already received from Host A all bytes up through byte 23. Suppose Host A then sends two segments to Host B back-to-back. The first and the second segments contain 30 and 50 bytes of data, respectively. In the first segment, the sequence number is 24, the source port number is 3000, and the destination port number is 80. Host B sends an acknowledgment whenever it receives a segment from Host A. A. In the second segment sent from Host A to B, what arethe sequence number_________,source port number __________,and destination port number__________?B. If the second segment arrives after the first segment, in the acknowledgment of the second segment, what arethe acknowledgment number___________,the source port number__________,and the destination port number __________?C. If the second segment arrives before the first segment, in the acknowledgment of the first arriving segment,what is the acknowledgment number ___________?D.…Host Aand B are directly connected with a 100 Mbps link There is one TCP connection between the two hosts and Host Ais sending to Host B an enormous file over this connection Host Acan send its application data into its TCP socket at a rate as high as 120 Mbps but Host B can read out of its TCP receive buffer at a maximum rate of 50 Mbps. Describe the effect of TCP flow control.Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 126. Suppose Host A then sends two segments to Host B back-to-back. The first and second segments contain 80 and 40 bytes of data, respectively. In the first segment, the sequence number is 127, the source port number is 302, and the destination port number is 80. Host B sends an acknowledgment whenever it receives a segment from Host A. a. In the second segment sent from Host A to B, what are the sequence number, source port number, and destination port number? b. If the first segment arrives before the second segment, in the acknowledgment of the first arriving segment, what is the acknowledgment number, the source port number, and the destination port number? c. If the second segment arrives before the first segment, in the acknowledgment of the first arriving segment, what is the acknowledgment number? d. Suppose the two segments sent by A arrive in order at B. The…
- Consider a TCP connection with congestion window size 40 KB, maximum segment size is 2 KB, if time taken by TCP connection to get 37 KB congestion window is 351 ms, round trip time of the connection is __(ms).You need to send a 2100-byte chunk of data using TCP from Computer A to Computer B. TCP segments are carried in IP datagrams with a 20-byte header. IP datagrams are carried in a data link frame with a 10-byte header. The maximum segment size for TCP is 800 bytes. The physical layer protocol can support a data rate of 1 Mbps. The round-trip time is10 ms between the sender and the receiver. Data must be sent over three links: (1) from Computer A to the first router, (2) from the first router to the second router, and (3) from the second router to Computer B. How long will it take to create a TCP connection, deliver the data from Computer A to Computer B, and close the connection? Ignore any effects of TCP congestion control or flow control. All links are lightly loaded so there are no queuing delays. Show your work.- Suppose a TCP message that contains 1024 bytes of data and 20 bytes of TCP header is passed to IP for delivery across two networks interconnected by a router (i.e., it travels from the source host to a router to the destination host). The first network has an MTU of 1024 bytes; the second has an MTU of 576 bytes. Each network's MTU gives the size of the largest IP datagram that can be carried in a link-layer frame. Give the sizes and offsets of the sequence of fragments delivered to the network layer at the destination host. Assume all IP headers are 20 bytes.