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Topology Control (TC) algorithms are generally applied to tactical network environments to create or maintain connectivity graphs with specific topological properties. In this paper, network topology defines the connectivity and link properties between nodes in the network. While protocols in the communications stack are traditionally designed to adapt to different traffic demands and underlying changes in network topology, TC algorithms offer an opportunity for applications to become proactive, and to drive changes in network topology. In most cases, topology control is achieved through a number of independent control strategies such as power management, node mobility or spectrum allocation, each of which operates at a different time scale, with different constraints and capabilities.
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