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随着移动通信技术的发展和基于网络的应用服务的激增,能够快速定位网络中服务资源的服务发现系统成为了网络中不可缺少的重要模块。在移动自组织网络里,采用群集可以使网络资源得到更有效地利用。文章归类分析了现有的一些服务发现协议,研究了基于群集的MANET服务发现,并在此基础上提出了一种分布式服务发现模型。在模型中,群头之间以对等方式形成虚拟骨干。仿真结果表明,该模型实现了可扩展的服务发现。
With the development of mobile communication technology and the proliferation of web-based application services, the service discovery system that can quickly locate the service resources in the network has become an indispensable and important module in the network. In a mobile ad hoc network, the use of clustering can make the network resources more effectively utilized. The article classifies and analyzes some existing service discovery protocols, studies the discovery of cluster-based MANET services, and proposes a distributed service discovery model. In the model, the virtual head is formed peer by peer. Simulation results show that the model achieves scalable service discovery.