EBK COMPUTER NETWORKING
EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Chapter 4, Problem R25RQ
Program Plan Intro

Datagram:

  • In networking, a datagram is a transferring unit which is used to transfer the data from a source to the destination and it doesn’t provide guaranteed service.
  • It includes fragmentation process which is defined as the division of the data packet into small one when the data packets are larger than the maximum length of a particular system.

Transmission Control Protocol (TCP):

  • TCP is an internet protocol used for exchanging of data between the sender and the receiver. It is a secured protocol for transferring the data.
  • When the sender sends data to the receiver, he/she waits for the acknowledgement from the receiver.
  • If acknowledgement is received then the next data packet will be sent and the process continues till all the data packets are sent.
  • If acknowledgement is not received then the receiver is assumed as hacker or intruder and the connection will be removed.

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1. Suppose a TCP connection is transferring a file of 5550 bytes. The first byte is numbered 10001. What are the sequence numbers for each segment if each carries 500 bytes? How many Segments will be there ?
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?
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