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This paper describes the basic concepts of the network migration problem, as well as its cost optimal solution with an ant colony algorithm. Generally there are many possible approaches to calculate network migration strategies. One of those is to consider the migration as a Shortest Path Problem, which can be solved using meta heuristics. In this paper it will be analyzed how ant colony optimization...
This paper presents a performance study of two new proposed strategies for the reorganization of a cluster-tree and its address space: proactive and reactive algorithms. The goal of the proactive reconfiguration is to minimize the average number of hops between the possible source and destination pairs. It is achieved by attempting to reconnect nodes to a parent node with the highest possible level...
We present the first ab initio molecular dynamics (AIMD) trajectories of two competing mechanisms proposed for H 2 desorption from Si(100)-2 × 1. We show that silicon dihydride species are the most likely desorption precursors and that surface corrugation is responsible for focusing desorbing trajectories, based on comparisons with experimental dynamical data. The equal roles played by the...
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