Kermajani Hamidreza, Gomez Carles
Universitat Politècnica de Catalunya/Fundació i2Cat, C/Esteve Terradas, 7, 08860 Castelldefels, Spain.
Sensors (Basel). 2014 Jul 7;14(7):11993-2022. doi: 10.3390/s140711993.
The IPv6 Routing Protocol for Low-power and Lossy Networks (RPL) has been recently developed by the Internet Engineering Task Force (IETF). Given its crucial role in enabling the Internet of Things, a significant amount of research effort has already been devoted to RPL. However, the RPL network convergence process has not yet been investigated in detail. In this paper we study the influence of the main RPL parameters and mechanisms on the network convergence process of this protocol in IEEE 802.15.4 multihop networks. We also propose and evaluate a mechanism that leverages an option available in RPL for accelerating the network convergence process. We carry out extensive simulations for a wide range of conditions, considering different network scenarios in terms of size and density. Results show that network convergence performance depends dramatically on the use and adequate configuration of key RPL parameters and mechanisms. The findings and contributions of this work provide a RPL configuration guideline for network convergence performance tuning, as well as a characterization of the related performance trade-offs.
低功耗有损网络(RPL)的IPv6路由协议最近由互联网工程任务组(IETF)开发。鉴于其在实现物联网方面的关键作用,已经有大量研究工作致力于RPL。然而,RPL网络收敛过程尚未得到详细研究。在本文中,我们研究了主要RPL参数和机制对该协议在IEEE 802.15.4多跳网络中网络收敛过程的影响。我们还提出并评估了一种利用RPL中可用选项来加速网络收敛过程的机制。我们针对各种条件进行了广泛的模拟,考虑了不同规模和密度的网络场景。结果表明,网络收敛性能极大地取决于关键RPL参数和机制的使用及适当配置。这项工作的研究结果和贡献为网络收敛性能调优提供了RPL配置指南,以及相关性能权衡的特征描述。