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引用次数: 6
摘要
互联网与自组织移动网络的融合在网络架构上存在差异。因此,互连是通过使用互联网网关来实现的,网关充当MANET和互联网之间的桥梁。当自组织网络中的节点想要访问Internet时,它必须首先找到到网关的路由。因此,需要一种有效的网关发现方法或机制。本文对MANET路由协议AODV (ad hoc on demand vector)进行了扩展,以支持混合网络。在不同的场景下,对被动、主动和混合三种网关发现方法进行了比较和研究。结果表明,在不同的仿真环境下,主动响应和被动响应具有更好的性能
Scenario based performance analysis of different gateway discovery mechanisms in integrated ad hoc networks and Internet
The integration of Internet and ad hoc mobile network exhibit differences in their network architecture. Thus, the interconnection is achieved by using Internet gateways, which acts as bridges between MANET and Internet. When a node in ad hoc network wants to access Internet, it has to first find route to a gateway. Therefore an efficient gateway discovery approach or mechanism is required. In this paper, the MANET routing protocol ad hoc on demand vector (AODV) is extended to support hybrid network. The three approaches for discovering gateways such as reactive, proactive and hybrid are compared and studied in different scenarios. We show that proactive and reactive performs better in different simulation environment