Performance of TCP variants over proactive and reactive routing protocols in MANET

  • Authors:
  • Henock Mulugeta;Kumudha Raimond

  • Affiliations:
  • Addis Ababa University, Ethiopia;Karunya University, India

  • Venue:
  • Proceedings of the International Conference on Management of Emergent Digital EcoSystems
  • Year:
  • 2012

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Abstract

Mobile Ad Hoc Networks (MANETs) are a collection of mobile nodes that are dynamically and randomly move and self organize within a given topology. In MANET, Transmission Control Protocol (TCP) is unable to distinguish packet losses due to congestion or route/link failures due to mobility of nodes. Hence the way how routing protocols respond to route failures and route recovery mechanism has an effect on the performance of TCP variants. In this paper, the effect of routing protocols; Ad hoc On Demand Distance Vector (AODV), Destination Sequenced Distance Vector (DSDV), Dynamic Source Routing (DSR), and Temporally Ordered Routing Algorithm (TORA), on the performance of TCP variants; TCP Newreno, TCP Reno, TCP with Selective Acknowledgment (Sack), and TCP Tahoe, under different mobility pattern and node density were studied. Simulation results showed that, for all variants of TCP, AODV achieved the highest throughput. From TCP variants, TCP Newreno performed better than the other variants over the stated routing protocols. It is also confirmed that the performance of TCP variants are highly dependent on the underlying routing protocols in MANET.