Stabilizing Intelligent Route Control: Randomized Path Monitoring, Randomized Path Switching or History-Aware Path Switching?

Authors:
Alexandre Fonte;José Martins;Marilia Curado;Edmundo Monteiro
Affiliations:
University of Coimbra, CISUC/DEI, Coimbra, Portugal and Polytechnic Institute of Castelo Branco, Castelo Branco, Portugal;University of Coimbra, CISUC/DEI, Coimbra, Portugal;University of Coimbra, CISUC/DEI, Coimbra, Portugal;University of Coimbra, CISUC/DEI, Coimbra, Portugal
Venue:
MMNS '08 Proceedings of the 11th IFIP/IEEE international conference on Management of Multimedia and Mobile Networks and Services: Management of Converged Multimedia Networks and Services
Year:
2008

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Abstract

Multihoming Intelligent Route Control (IRC) plays a significant role in improving the performance of Internet accesses. However, in a competitive environment, IRC systems may introduce persistent route oscillations, causing significant performance degradation. In this study, three design alternatives to cope with this issue are investigated: Randomized Path Monitoring, Randomized Path Switching and History-aware Path Switching. The simulation results show that Randomized Path Monitoring is an effective alternative to Randomized Path switching when the sampling frequency is conservative. The results also indicate that the use of a sophisticated IRC algorithm, such as history-aware path switching, does not bring noteworthy benefits in terms of stability.