Wireless sensor networks are a new emerging area where swarm intelligence can be applied with interesting implications. In fact, a strong analogy between unicellular organism colonies and wireless sensor networks can be emphasized: a sensor network can be viewed as a "colony" of simple, scarce resource nodes that, autonomously, are able only to perform simple tasks, but all together can accomplish very complex problems. In this paper we propose a routing protocol with interesting properties: self organization, fault tolerance and environmental adaptation. The proposed protocol was inspired by the well known behavior (in artificial life studies) of "Slime Mold". Such colony of unicellular organisms organizes itself in clusters by pheromone generation and evaporation mechanisms. In a similar manner our protocol manages the data traffic in clusters towards the sink nodes using the gradient concept and reaching high levels of autonomy. We analyze the proposed protocol to examine the performances and the adaptation properties using simulation techniques.Sixth IEEE International Symposium on Network Computing and Applications (NCA 2007) 0-7695-2922-4/07 $25.00
Cloud Technology might be used for processing and storing the huge amount of data generated from users and thousands of heterogeneous kind of sensors deployed all around. In the near future, the simple use of the cloud "elasticity", where computation and storage resources can be on-demand resized, might be not useful enough to support the increasing rate of data production. In this work we introduce a new cloud architecture able to virtualize different types of sensing infrastructures in "virtual sensing elements", adding new capabilities of data processing. This architecture named CLEVER is capable to analyze and filter data from sensor networks and provide them through advanced services, in order to avoid the rough flooding of data within the cloud. CLEVER has a peripheral decisionmaker, able to interact with SNs, and a high level intelligence, able to meet the new requirements of sensed environments, and the manipulation of data. The efficient communication system at the base of CLEVER allows to efficiently manage resources and services, balancing data offerings and demands.
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