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In network virtualization, when a disaster hits a physical network infrastructure, it is likely to break multiple virtual network connections. So, after a disaster occurs, the network operator has to schedule multiple teams of repairmen to fix the failed components, by considering that these elements may be geographically dispersed. An effective schedule is very important as different schedules may...
We define k-content connectivity as the reachability of at least one content from any point of a data center network under concurrent k-1 failures. A flexible content placement algorithm is proposed to achieve k-content connectivity.
This letter focuses on the protection method for all dual-link failures in optical mesh networks. We first state the problem and discuss the possible scenarios of dual-link failures. We then present our proposed preconfigured ball (p-Ball) protection method that provides protection against dual-link failures using fewer backup links than preconfigured cycles (p-Cycles). We propose integer linear programming...
Mobile free space optical networks have aroused much attention due to the ability of providing high speed connectivity over long distance using the wireless laser links, while requiring relatively high available bandwidth resource and less energy consumption. However, maintaining the network with laserlinks is quite challenging due to a number of issues, such as the link fragility, the difficulty...
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