Mr. Chih-Chao Wen Profile

Chih-Chao Wen

at National Chung Cheng Univ

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Proceedings Article | 25 October 2005 Paper

Fast rerouting schemes for protected mobile IP over MPLS networks

Chih-Chao Wen, Sheng-Yi Chang, Huan Chen, Kim-Joan Chen

Proceedings Volume 6011, 601108 (2005) https://doi.org/10.1117/12.632592

KEYWORDS: Failure analysis, Optimization (mathematics), Internet, Multimedia, Switching, Systems modeling, Computer programming, Electrical engineering, Sensor networks

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Fast rerouting is a critical traffic engineering operation in the MPLS networks. To implement the Mobile IP service over the MPLS network, one can collaborate with the fast rerouting operation to enhance the availability and survivability. MPLS can protect critical LSP tunnel between Home Agent (HA) and Foreign Agent (FA) using the fast rerouting scheme. In this paper, we propose a simple but efficient algorithm to address the triangle routing problem for the Mobile IP over the MPLS networks. We consider this routing issue as a link weighting and capacity assignment (LW-CA) problem. The derived solution is used to plan the fast restoration mechanism to protect the link or node failure. In this paper, we first model the LW-CA problem as a mixed integer optimization problem. Our goal is to minimize the call blocking probability on the most congested working truck for the mobile IP connections. Many existing network topologies are used to evaluate the performance of our scheme. Results show that our proposed scheme can obtain the best performance in terms of the smallest blocking probability compared to other schemes.

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