Dynamic Multicriteria Alternative Routing for single- and multi-service reservation-oriented networks and its performance
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We propose a new Dynamic Multicriteria Alternative Routing (DMAR) method that applies to reservation-oriented networks. DMAR combines a dynamic alternative routing scheme with a periodic update of alternative paths according to a multicriteria algorithm that aims to balance the traffic between traffic flows in single-service networks and also between services in multi-service environments. We conducted extensive simulations to compare the performance of DMAR with that of other reference alternative routing schemes in single- and multi-service networks with several topologies and load scenarios, namely with non-stationary traffic. We show that DMAR efficiently adjusts to traffic changes while often presenting better network performance than the reference alternative routing schemes, particularly in the multicriteria sense.
KeywordsMulticriteria optimization QoS routing Dynamic alternative routing Multi-service networks Blocking probability Implied costs
Lúcia Martins has been supported by FCT (Fundação para a Ciência e a Tecnologia) under project grant UID/MULTI/-00308/2013 and by FEDER Funds and National Funds through FCT under the project CENTRO-01-0145-FEDER-029312.
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