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Mobility Based Key Management Technique for Multicast Security in Mobile Ad Hoc Networks

机译：移动临时网络中多播安全的移动性基于关键管理技术

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In MANET multicasting, forward and backward secrecy result in increased packet drop rate owing to mobility. Frequent rekeying causes large message overhead which increases energy consumption and end-to-end delay. Particularly, the prevailing group key management techniques cause frequent mobility and disconnections. So there is a need to design a multicast key management technique to overcome these problems. In this paper, we propose the mobility based key management technique for multicast security in MANET. Initially, the nodes are categorized according to their stability index which is estimated based on the link availability and mobility. A multicast tree is constructed such that for every weak node, there is a strong parent node. A session key-based encryption technique is utilized to transmit a multicast data. The rekeying process is performed periodically by the initiator node. The rekeying interval is fixed depending on the node category so that this technique greatly minimizes the rekeying overhead. By simulation results, we show that our proposed approach reduces the packet drop rate and improves the data confidentiality.
机译：在MANET多播，前向和后向保密导致流动性的数据包跌落率提高。频繁重新加注会导致大的信息开销，从而增加能量消耗和端到端延迟。特别是，普遍的组密钥管理技术导致移动性和断开连接。因此，需要设计一种多播密钥管理技术来克服这些问题。在本文中，我们提出了基于移动性的漫长组播安全性的关键管理技术。最初，节点根据其稳定性指数进行分类，该稳定性是基于链路可用性和移动性估计的。构造一个组播树，使得对于每个弱节点，有一个强父节点。基于会话基于密钥的加密技术用于发送多播数据。通过启动器节点周期性地执行重核处理。重新定位间隔根据节点类别来修复，以便该技术大大最小化重新启动开销。通过仿真结果，我们表明我们所提出的方法降低了数据包汇率并提高了数据机密性。

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