Buffer Tuning Mechanism for Stripped Transport Layer Connections Using PID Controller on Multi-homed Mobile Host

  • Authors:
  • Faraz Idris Khan;Eui Nam Huh

  • Affiliations:
  • Internet Computing and Security Lab Department of Electrical and Computer Engineering, Kyung Hee University, Global Campus, South Korea;Internet Computing and Security Lab Department of Electrical and Computer Engineering, Kyung Hee University, Global Campus, South Korea

  • Venue:
  • ICCSA '08 Proceeding sof the international conference on Computational Science and Its Applications, Part I
  • Year:
  • 2008

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Abstract

Recent advancements in wireless networks have enabled a network as a whole in motion. In such cases a vehicle will be equipped with a mobile router equipped with heterogeneous interface acting as a gateway, providing connectivity to the network interior to the vehicle. A cache server application installed on a gateway has the capability to utilize all the heterogeneous interfaces in future as transport layer data stripping is possible [2]. Traditionally, high performance data transfer requires tuning of multiple TCP sockets, at sender's end, sharing single high bandwidth delay product (BDP)path. Moreover, traditional techniques like ATBT, which balance memory and fulfill network demand, are designed for wired infrastructure assuming single flow on a single socket. Hence, in this paper we propose a buffer tuning technique at sender's end designed to ensure high performance data transfer by striping data at transport layer across heterogeneous wireless paths. The proposed mechanism has the capability to become a resource management system for transport layer connections running on multi-homed mobile host supporting features for wireless link i.e. mobility, bandwidth fluctuations, link level losses. We have shown that our proposed mechanism performs better than ATBT, in efficiently utilizing memory and achieving aggregate throughput.