Abstract
BGP optimal egress selection is one of a recent trend in routing research. Current hot-potato routing has the problem of routing instability. This paper provides a new algorithm named BGP-RO-ES to minimize hot-potato disruptions while satisfying multiple constraints of different metrics, such as traffic engineering, the cost of traffic across the network and the cost of maintaining lightweight tunnels. The algorithm can be adaptive to different link failures and can be implemented in current BGP routers with a little change. Simulation results show that the control stability of BGP-RO-ES can be very close to that of TIE algorithm and that of RTF_TIE algorithm spending only half of the cost of maintaining lightweight tunnels.
This research was supported by the National Grand Fundamental Research 973 Program of China under Grant No. 2003CB314802 and the National High-Tech Research and Development Plan of China under Grant No. 2005AA121570.
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Liu, Y., Gong, Z., Wang, B., Shu, J. (2006). A Routing Optimization Algorithm for BGP Egress Selection. In: Madria, S.K., Claypool, K.T., Kannan, R., Uppuluri, P., Gore, M.M. (eds) Distributed Computing and Internet Technology. ICDCIT 2006. Lecture Notes in Computer Science, vol 4317. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11951957_18
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DOI: https://doi.org/10.1007/11951957_18
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