Abstract
This paper reports a traffic engineering (TE) strategy that is able to handle several GMPLS classes of services dynamically. Based on the extension of the hybrid TE strategy previously introduced by the authors, in the present paper dynamic managing of more classes of services is addressed and related performance analysis is reported. The main results show up the capacity of the TE strategy to provide not only guaranteed bandwidth for the premium class of label switched paths (LSPs), at anytime and in any traffic load condition, but different levels of QoS for different low priority classes of LSPs, is that are in all the cases superior to best effort performance. From the obtained results, considered TE strategy can be favourably utilized in real multi-service networks.
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