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Based on the territorial continuity of IP addresses, this paper proposes an enhanced Boot-Trapping algorithm. It constructs a Patricia Tree which reflects the topology of the physical network, and collects information of the online Ultra Peers. By providing an UltraPeer physical network nearby for a LeafPeer, it can improve the proximity between the overlay network and the physical network, the aggregation...
Wireless Sensor Networks (WSNs) consist of small nodes with sensing, computation, and wireless communication capabilities. Wireless Sensor Network (WSN) is a promising data mining solution for precision agriculture. Instrumented with wireless sensors, it will become available to monitor the plants for real time, such as air temperature, soil water content, and nutrition stress. This real time information...
Mobile Ad hoc Network (MANET) is the cooperative engagement of a collection of wireless mobile nodes without the support of any centralized access point or existing infrastructure. The use of virtual topologies is a good alternative to build wireless multi-hop networks. It aims to maintain a topology that optimizes broadcasting or network performances. The problem is to determine an appropriate topology...
Deployed in a harsh oceanic environment for mission critical tasks, underwater acoustic networks have been regarded as a special type of wireless sensor networks. The limited bandwidth and power resources as well as the 3-D topology in such networks have made the geographic routing a favorite choice. In underwater sensor networks environment, most of the detouring strategies of the existing geographic...
In this paper we investigate the performance of distortion-bounded approximation methods for overlay multicast tree construction and compare them to common overlay multicast tree construction techniques such as the minimum spanning tree (MST) and core-based trees. We study the fanout-distortion tradeoff of these techniques on both synthetic and real Internet topologies. The performance results vary...
This paper presents a novel Virtual Circle Combined Straight Routing (VCCSR) algorithm for a mobile sink to collect data in wireless sensor networks. Tree-based routing is a common scheme to collect data from sensors to a sink. Most of the previous proposed tree-like aggregation approaches are not suitable for mobile sink, because the routes between sink and sensors have to be reconstructed when a...
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