a single packet with size k bits is sent from a source computer
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Text: Computer and Communication Networks [7] Consider a wide area network in which two hosts, A and B, are connected through a 100 km communication link with a data speed of 10 Gb/s. Host A wants to transfer a file of size 20 KB while host B has a receive buffer with a capacity of 32,000 bits. Host A starts the three-way handshake and sends a SYN segment, where the initial sequence number is 200 and MSS = 2,000 bytes, and host B replies with an initial sequence number of 400 and MSS = 1,000 bytes. - Sketch the sequence of segment exchange, starting with host A sending data at time = 0 and window size = 2 segments. Assume that host B delivers the received data to the application once its buffer is full and that it sends an ACK every two segments.
Akash M.
To transmit information on the internet, large files are broken into packets of smaller sizes. Each packet has 1,500 bytes of information. An equation relating packets to bytes of nformation is given by $b=1,500 p$ where $p$ represents the number of packets and $b$ epresents the number of bytes of information. a. How many packets would be needed to transmit 30,000 bytes of information? b. How much information could be transmitted in 30,000 packets? c. Each byte contains 8 bits of information. Write an equation to represent the relationship between the number of packets and the number of bits.
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Dr. B is downloading (not streaming) a large video file from a remote server. The transfer is restricted by a maximum segment size of 720 bytes. a. How large can the video file be and not have the TCP sequence numbers exhausted if the TCP sequence number field was modified to be 40 bits? Explain how you got your answer (5pts). b. How long would it take Dr. B to download the video file in part (a)? For this problem, assume that that each chunk of application payload has 62 bytes of header added by the 4 lower layers before going out over a 125 Mbps link (for the sake of simplicity, do not consider flow and congestion control – 5pts).
Madhur L.
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