Survivability evaluation of SIGMA and mobile IP |
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Authors: | Shaojian Fu Mohammed Atiquzzaman |
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Affiliation: | (1) OPNET Technologies, 7255 Woodmont Avenue, Bethesda, MD 20814-7900, USA;(2) School of Computer Science, University of Oklahoma, Norman, OK 73019-6151, USA |
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Abstract: | Mobile IP has been developed by IETF to handle mobility of Internet hosts at the network layer. Mobile IP suffers from a number of drawbacks, including low survivability due to single-point failure of Home Agents. Recently, Seamless IP diversity based Generalized Mobility Architecture (SIGMA) was proposed to support low latency, low packet loss mobility of IP hosts. In this paper, we show that the location management scheme used in SIGMA enhances the survivability of the SIGMA-based mobile network. We develop an analytical model to evaluate and compare the survivability of SIGMA with that of Mobile IP. Numerical results show the improvement in system response time and service blocking probability of SIGMA over Mobile IP in the presence of hardware failures and Distributed Denial of Service (DDoS) attacks. The research reported in this paper was funded by NASA Grants NAG3-2922 and NNX06AE44G |
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Keywords: | Mobility Management Survivability Mobile IP Modeling |
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