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For simplified network operations, demands are often routed on shortest paths, e.g., with physical length as metric. We propose a new controlled shortest path routing concept for multiperiod planned networks, formulated as optimization model. This routing concept minimizes the network costs (capital expenditures) under the constraint of using shortest path routing within the lit fiber network. Within...
To observe, analyze and control large scale distributed systems and the applications hosted on them, there is an increasing need to continuously monitor performance attributes of distributed system and application states. This results in application state monitoring tasks that require fine-grained attribute information to be collected from relevant nodes efficiently. Existing approaches either treat...
This paper addresses the topology design of hierarchical Hybrid Fiber-VDSL Access Networks (HFVANs). An efficient strategy is applied to find cost-effective and survivable optical distribution networks with metaheuristics in a short time. A novel metaheuristic with only few parameters, Yin-Yang Optimization (YYO), is proposed to solve this NP-hard problem. Its mathematic modeling and YYO-based algorithms...
A wise network planning becomes the most important phase in determining the network efficiency. In this paper we consider the wireless mesh network (WMN) planning problem where no much work has been done. We propose a new multi-objective optimization model for planning WMNs, where the two conflicting objectives, namely network deployment cost and network channels' interferences, are simultaneously...
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