To tackle the problem that the internet can not adapt to the requirements of ever-changing and wide applications
a novel evolutionary network model is proposed. The evolutionary network can adapt its behaviors according to the network conditions and status by adaptively changing its control parameters and control algorithms to achieve different QoS for different applications. Three levels of evolution including parameter adaptation
network module reconstruction
and collaboration among network nodes are presented. The architecture of the evolutionary networks is designed and a software-based prototype is developed. Key technologies and optimization methods for performance are studied. Experiment results show that the evolutionary network can adapt to the dynamic changes in network conditions and provide stable and efficient network service.
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