VPN Traversal Scheme in Hierarchical MIPv4 environment 


Vol. 11,  No. 4, pp. 519-526, Aug.  2004
10.3745/KIPSTC.2004.11.4.519


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  Abstract

This paper presents an efficient interoperation scheme of a VPN(Virtual Private Network) and Mobile IP using a hierarchical structure of a FA(Foreign Agent). In the proposed scheme, the GFA(Gateway Foreign Agent) plays a role of VPN gateway on behalf of the MN(Mobile Node). When the MN moves in the same GFA domain, because the GFA has already an IPsec security association with a VPN gateway in the home network of the MN, the MN does not need an IPsec re-negotiaion. In this way, our mechanism reduces a message overhead and a delay resulted from an IPsec negotiation. And a MN can send a data to a correspondent node without a packet leakage. We show a performance of our scheme by using a discrete analytical model. Analytical results demonstrated that the total processing cost calculated by a registration update cost and a packet delivery cost is significantly reduced through our proposed scheme.

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[IEEE Style]

S. L. Sung, J. H. Kang, Y. T. Shin, "VPN Traversal Scheme in Hierarchical MIPv4 environment," The KIPS Transactions:PartC, vol. 11, no. 4, pp. 519-526, 2004. DOI: 10.3745/KIPSTC.2004.11.4.519.

[ACM Style]

Su Lyun Sung, Jung Ho Kang, and Yong Tae Shin. 2004. VPN Traversal Scheme in Hierarchical MIPv4 environment. The KIPS Transactions:PartC, 11, 4, (2004), 519-526. DOI: 10.3745/KIPSTC.2004.11.4.519.

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