Path selection and bandwidth allocation in MPLS networks
Performance Evaluation - Special issue: Internet performance and control of network systems
Hybrid traffic engineering: the least path interference algorithm
SAICSIT '04 Proceedings of the 2004 annual research conference of the South African institute of computer scientists and information technologists on IT research in developing countries
Hybrid IGP+MPLS routing in next generation IP networks: an online traffic engineering model
QoS-IP'05 Proceedings of the Third international conference on Quality of Service in Multiservice IP Networks
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Abstract: We present a flow optimization model for IP networks where end-to-end paths are identified for each ingressegress pair in the MPLS-capable part of the network. The model computes link- and path flows by incrementally distributing the offered traffic among the paths. Fault-tolerance and congestion control are achieved by spreading the offered traffic over a set of active paths. A set of back-up paths is reserved for carrying the traffic of failed or congested paths. The routing performance of this model is evaluated through two algorithms: weighted traffic distribution (WTD) and flow deviation (FLD). WTD distributes the offered traffic among the available paths using weights allocated to these paths. FLD is a variant of the well-known flow deviation algorithm.