备份网络接入无线网状网络实现的评价

Yousef M. Alshehri, Joseph T. Chung
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引用次数: 0

摘要

无线网状网络(WMNs)由于其动态自组织、自配置、自修复、分散管理和低成本实现等特性,可以作为组织的辅助备份网络。这个备份网络可以帮助组织在主网络长时间中断的情况下继续开展业务。本文通过对WMN的研究和实现来评估WMN作为备份网络的可行性。本研究中使用了各种设备,包括树莓派3设备、网络交换机和Wi-Fi适配器。关键设备是树莓派,它被用作网状路由器(MRs)。通过MRs使用外部Wi-Fi适配器提供三种局域网(LAN)地形。我们使用优化链路状态路由协议(OLSR)的扩展测试了这三种拓扑。我们测量了从MRs和LAN客户端到Mesh Router 3 (MR3)(一个网关节点)的三个网络性能参数。测量的参数是吞吐量、延迟/抖动和丢失数据报占发送总数据报的比例。对参数结果进行了分析,以评价网状网络的性能。讨论了物理障碍、无线干扰、节点间距离和多跳等可能影响测量参数的因素。
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Evaluation of Wireless Mesh Network Implementation for Backup Network Access
Wireless Mesh Networks (WMNs) could feasibly be used as an organization’s secondary backup network due to their properties such as dynamic self-organization, self-configuration, self-healing, decentralized management, and inexpensive implementation. This backup network could help allow an organization's business to continue in case of an extended main network outage. This paper involved the study and implementation of WMNs to evaluate the feasibility of a WMN as a backup network. A variety of devices were used in this research including Raspberry Pi 3 devices, network switches, and Wi-Fi adapters. The key devices were the Raspberry Pi’s which were used as mesh routers (MRs). Three Local Area Network (LAN) topographies were provided via the MRs using external Wi-Fi adapters. We tested the three topologies using an extension of the Optimized Link State Routing Protocol (OLSR). We measured three network performance parameters from the MRs and LAN clients to Mesh Router 3 (MR3), a gateway node. The measured parameters were throughput, delay/jitter, and a proportion of lost datagrams out of total datagrams sent. The parameter results were analyzed to evaluate the performance of the mesh networks. Several factors that may affect the measured parameters are discussed such as physical obstacles, wireless interference, inter-node distance, and multiple hops.
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来源期刊
International Journal of Computer Networks and Communications
International Journal of Computer Networks and Communications Computer Science-Computer Networks and Communications
CiteScore
1.60
自引率
0.00%
发文量
46
期刊介绍: The International Journal of Computer Networks & Communications (IJCNC) is a bi monthly open access peer-reviewed journal that publishes articles which contribute new results in all areas of Computer Networks & Communications.The journal focuses on all technical and practical aspects of Computer Networks & data Communications. The goal of this journal is to bring together researchers and practitioners from academia and industry to focus on advanced networking concepts and establishing new collaborations in these areas. Authors are solicited to contribute to this journal by submitting articles that illustrate research results, projects, surveying works and industrial experiences that describe significant advances in the Computer Networks & Communications.
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