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To meet diverse, bandwidth-intensive applications envisioned in future optical networks, as well as address the shortcomings of the current Internet, novel networking technologies will be of great importance. We discuss several key issues for the future Internet, including network virtualization mechanisms, a programmable network architecture, parallelism of optical transmission, and guaranteed quality...
We demonstrate a novel optical OFDMA ring network with an adaptive sub-carrier allocation algorithm, which utilizes queuing length and traffic characteristics to effectively support multicasting and real-time traffic flows.
In this paper, a novel resource allocation algorithm is proposed for multi-service OFDMA systems. The multi-objective optimization model is established for resource allocation, according to the different QoS requirements of different services. In order to achieve the suboptimal solution for the multi-objective optimization problem, this paper proposes a novel hierarchical algorithm, and adopting some...
A novel passive optical network (PON) architecture based on optical orthogonal frequency division multiple access (OFDMA) technologies is presented. Two potential medium access control (MAC) methods namely dynamic circuit transmission and fixed burst transmission are investigated.
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