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VA-TCP: a vertical handoff-aware TCP

Published: 11 March 2007 Publication History

Abstract

A vertical handoff occurs when a multi-homed mobile host roams from a network to another heterogeneous network. Nevertheless, the network before and after a vertical handoff usually have drastic different characteristics. In this paper, we proposed an end-to-end based Vertical-handoff Aware TCP, called VA-TCP, which promptly adapts TCP behavior during a vertical handoff. When entering a new network, on the basis of packet-pair algorithm, VA-TCP dynamically estimates the new network bandwidth and round-trip time by using out-of-band ICMP messages. After that, by the estimated bandwidth and round-trip time, VA-TCP adjusts the TCP parameters including congestion window size, slow-start threshold, retransmission timer and RTTs to respond to the new network environment. From the experimental result, the TCP throughput by the proposed VA-TCP scheme is around 2 times that by the original TCP.

References

[1]
Chen Kai, et. al. Understanding Bandwidth-Delay Product in Mobile Ad Hoc Networks. Computer Communications, 27, pp. 923--934, 2004.
[2]
Guo, C. X., et. al. A seamless and proactive end-to-end mobility solution for roaming across heterogeneous wireless networks. IEEE Journal on Selected Areas in Communications, 22(5), pp. 834--848. June, 2004.
[3]
Katz, R. H. and Brewer, E. A. The Case for Wireless Overlay Networks, in Proceedings of the SPIE Multimedia and Networking Conference, pp. 77--88, January, 1996.
[4]
Keshav, S. A Control-Theoretic Approach to Flow Control. in Proceeding of the ACM SIGCOMM. pp. 3--15, Sept. 1991.
[5]
Tian Y., Xu Kai, and Ansari N. TCP in Wireless Environments: Problems and Solutions. IEEE Radio Communication, 43(3), March 2005.

Cited By

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  • (2009)An analysis of service disruption time for TCP applications using end-to-end mobility management protocolsProceedings of the 7th International Conference on Advances in Mobile Computing and Multimedia10.1145/1821748.1821817(360-364)Online publication date: 14-Dec-2009
  • (2009)The performance of multiple tcp flows with vertical handoffProceedings of the 7th ACM international symposium on Mobility management and wireless access10.1145/1641776.1641780(17-25)Online publication date: 26-Oct-2009
  • (2009)On reducing throughput degradation of TCP connection after vertical handover2009 IEEE 13th International Multitopic Conference10.1109/INMIC.2009.5383122(1-4)Online publication date: Dec-2009
  • Show More Cited By

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    cover image ACM Conferences
    SAC '07: Proceedings of the 2007 ACM symposium on Applied computing
    March 2007
    1688 pages
    ISBN:1595934804
    DOI:10.1145/1244002
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    New York, NY, United States

    Publication History

    Published: 11 March 2007

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    Author Tags

    1. TCP
    2. heterogeneous network
    3. overlay network
    4. vertical handoff

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    Overall Acceptance Rate 1,650 of 6,669 submissions, 25%

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    Cited By

    View all
    • (2009)An analysis of service disruption time for TCP applications using end-to-end mobility management protocolsProceedings of the 7th International Conference on Advances in Mobile Computing and Multimedia10.1145/1821748.1821817(360-364)Online publication date: 14-Dec-2009
    • (2009)The performance of multiple tcp flows with vertical handoffProceedings of the 7th ACM international symposium on Mobility management and wireless access10.1145/1641776.1641780(17-25)Online publication date: 26-Oct-2009
    • (2009)On reducing throughput degradation of TCP connection after vertical handover2009 IEEE 13th International Multitopic Conference10.1109/INMIC.2009.5383122(1-4)Online publication date: Dec-2009
    • (2008)Employing cross-layer assisted TCP algorithms to improve TCP performance with vertical handoffsInternational Journal of Communication Networks and Distributed Systems10.1504/IJCNDS.2008.0210781:4/5/6(433-465)Online publication date: 1-Nov-2008

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