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Congestion Control by using Multipath TCP for Smart Devices


Ms. Rajalaxmi Alatgi , PG Student Department of Computer Networks Engineering VTU, Belagavi, India ; Dr. S. L. Deshpande, PG Student Department of Computer Networks Engineering VTU, Belagavi, India


Transmission control protocol (TCP), Multipath (MPTCP), Congestion, packet drop percentage, packet delivered percentage, throughput of the system


In the last few years, the nature of traffic over the network has increased adequately, in which an extensive amount of traffic is contributed by the mobile applications, web based multimedia, computation offloading like the cloud computing and the Internet of Things (IoT) and so on. There are three main requirements for the end-to-end traffic over the Internet, such as mobility of devices, the ability to upgrade through multipath end-to-end communication, and to avoid data loss when congestion arises, are not supported by the widely used transmission control protocol (TCP). TCP is a standard that defines how to build and maintain a network communication through which applications will exchange data over the network. Devices are often connected by multiple paths, but the TCP restricts the communications to a single path per transport connection. Resource usage within the network will be more productive when these paths will be used concurrently. This should boost the user experience through improved flexibility to network failures and achieve higher throughput. Therefore, MultiPath TCP (MPTCP) has been developed to address the TCP limitations. The purpose of MPTCP protocol is to make use of path diversity, so that it offers a better network connectivity, increasing flexibility to failures, enhancing load balance between paths, when more than one is available, and to enable multi-homing support without the need to modify the currently operating devices over the network. In this experiment, a network of 10 nodes is used to show the efficiency of MPTCP by comparing the results of the packet drop percentage, the packet delivered percentage and throughput with TCP for FTP communication between the end hosts. The comparison of the packet drop percentage, the packet delivered percentage and throughput between MPTCP and TCP is done using the network simulator2 and the results are analyzed using Xgraph.

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Manuscript Id :IJSTEV5I2022
Published in :Volume : 5, Issue : 2
Publication Date: 01/09/2018
Page(s): 28-40
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