The network administrator company has noticed that TCP achieves quite low throug

Question

The network administrator company has noticed that TCP achieves quite low throughput through the leased line between the Las Vegas and Miami offices. Also, concern that has often been rained by a number of the employees, the throughput in an low an 38 Kb/s even when the network is lightly loaded, when people are used to throughputs on the order of 120 Kb/s. As a result, the network administrator has been considering what is the cause of this low throughput might be, Based on your theoretical understanding of TCP performance, answer the following questions: As a network administrator, discover three factors with regard to the performance of TCP and discuss In what extend each of them impact the TCP performance, Give an example for each. Analyze the impact that could be achieved with TCP modeling that cannot be achieved with measurement and simulation Give examples.

Explanation / Answer

a]. TCP is connection oriented and based on streaming the data. This behaviour of TCP sometimes leads to lengthy window over & over staying at a same point to waiting for reply for past request. This results in ping-pong oscillations causing the decreased TCP performance.
Examples include Database connections, SUN NFS and etc.

TCP round trip time is an important consideration which affects the performance. If we lower the RTT, we can expect the good network performace with improvded throughput

TCP flow control and congestion control are also important factors for consideration. When the receiver is not able to captured the data sent by sender, automatically the sender should slow down the rate at which the data has been sent. This directly or indirectly affects the network performance since this factor is dynamically associated with network.

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