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LiveNCM : A new wireless management tool

The Wireless Sensor Networks (WSN) with their constant evolution, need new management methods to be monitored efficiently by taking into account their constraints such as energy consumption, reliability and remote monitoring. Note that WSN has diverse application domains: smart home, smart care, environmental data collection etc. In order to manage a large scale WSN, some Wireless sensor network Management Tools (WMTs) are developed. Some of them use SNMP protocol but it is impossible to implement the full classical SNMP standard on each node. Therefore, it is important to develop a new WMT with a restricted SNMP standard dedicated to WSN applications. In this paper, we present a new WMT named LiveNCM: LiveNode Non invasive Context-aware, and modular Management tool. LiveNCM is divided into two main parts: one is centralized on the fixed network structure and another one, distributed on each node. Each part introduces the concept of non-invasive contextaware to reduce data exchanges and diagnoses the wireless sensor node state with few messages. Moreover, nodes are based on a configurable modular architecture enables to adapt to an application and to local node constraints. LiveNCM is implemented on the LiveNode platform to validate the energy consumption and on a UNIX system to validate the SNMP sub-agent used. Ultimately, a decreasing data exchange and an improvement in the energy consumption in the entire WSN were observed.