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Management is a critical issue in optical networks. Highly impacting in management, routing in optical networks, is often decoupled into both the path selection and the wavelength assignment problems. In the former, shortest path based approaches are often applied to compute paths. Although such approaches offer advantages in terms of network loading, they are restricted by the fact, that routes are...
Under the quality of service (QoS) constraints, control policy for CAC and routing, that is, call admittance criterion and routing policy, is considered to decrease new call rejected probability and increase network utilization. In the paper, a new evaluation function is defined based on the available bandwidth and hop count, by which the policy with the admitted threshold and path selected algorithm...
Double-layered satellite networks (DLSNs) that consist of low earth orbit (LEO) and medium earth orbit (MEO) satellites are becoming increasingly important since they have higher coverage and better service than single-layered satellite networks. One of the challenges in DLSNs is the development of specialized and efficient routing algorithms. In this paper, virtual topology grouping strategy is improved,...
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