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A cloud computing paradigm enables users to access services, applications, and infrastructure resources by using thin clients anywhere and at any time. In this paradigm, multiple users can share cloud infrastructure resources. The application or service requests from a user can be abstracted as a virtual network (VN) request and can be submitted to the cloud-based data centers. How to map a VN onto...
In this paper, we investigate on the problem of energy-efficient traffic grooming under sliding scheduled traffic model for IP over WDM optical networks, so as to minimize the total energy consumption of the core network. We present a two-layer auxiliary graph model and propose a new energy-efficient traffic grooming heuristic named Two-Dimension Green Traffic Grooming (TDGTG) algorithm, which takes...
In this paper, we study green (energy efficient) optical networks with availability guarantee. After introducing a power consumption model for green optical network design, we propose a design method called Availability-Guaranteed Energy-Efficient Design (AGEED). In AGEED, we employ dedicated path protection as backup capacity in order to improve the availability. Based on iterative routing by modifying...
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