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Many methods have been introduced to establish a secure multicast communication between different nodes in the network, but these methods have not achieved the secured data transfer. This article explains the most significant way for the key distribution among the nodes, so that any outside infringement won't be able to access the data as well as the key. It uses different algorithms for secure data transfer. Self-healing technique is being used so that when the key is lost, the group members can recover the key by themselves and unnecessary interactions with the group manager can be avoided, which saves additional cost and reduces traffic. [ABSTRACT FROM PUBLISHER]

In wireless sensor networks the Nodes are mobility enabled, since the communication among nodes fully depend on the distance between nodes and time taken to transmit the data packets. Any routing protocols suggesting the shortest path based route formation is the best concept for fast and safe transmission and it improves the QoS of the WSN in terms of speed and accuracy. Without locating the nodes and the accurate distance, the shortest path finding is inefficient. In this paper a novel Localization approach is introduced to localize the nodes accurately with the help of Beacon Nodes in the network. The simulation results produced better performance than the existing systems. [ABSTRACT FROM AUTHOR]