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Reduced Overhead Routing in Short-Range Low-Power and Lossy Wireless Networks

机译：短距离低功耗有损无线网络中的开销降低的路由

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In this paper we present enhanced routing protocol for low-lower and lossy networks (ERPL), a reduced overhead routing protocol for short-range low-power and lossy wireless networks, based on RPL. ERPL enhances peer-to-peer (P2P) route construction and data packet forwarding in RPL’s storing and non-storing modes of operation (MoPs). In order to minimize source routing overhead, it encodes routing paths in Bloom Filters (BF). The salient features of ERPL include the following: (i) optimized P2P routing and data forwarding; (ii) no additional control messages; and (iii) minimized source routing overhead. We extensively evaluated ERPL against RPL using emulation, simulation, and physical test-bed based experiments. Our results demonstrate that ERPL outperforms standard RPL in P2P communication and its optimized P2P route construction and data forwarding algorithms also positively impact the protocol’s performance in multi-point to point (MP2P) and point to multi-point (P2MP) communications. Our results demonstrate that the BF-based approach towards compressed source routing information is feasible for the kinds of networks considered in this paper. The BF-based approach results in 65% lower source routing control overhead compared to RPL. Our results also provide new insights into the performance of MP2P, P2MP, and P2P communications relative to RPL’s destination-oriented directed a-cyclic graph (DODAG) depth, i.e., a deeper DODAG negatively impacts the performance of MP2P and P2MP communications, however it positively impacts P2P communication, while the reverse holds true for a relatively shallow DODAG.
机译：在本文中，我们提出了一种针对低低损耗和有损网络的增强型路由协议（ERPL），一种基于RPL的针对短距离低功耗和有损无线网络的降低开销的路由协议。 ERPL在RPL的存储和非存储操作模式（MoP）中增强了对等（P2P）路由构造和数据包转发。为了最大程度地减少源路由开销，它在布隆过滤器（BF）中对路由路径进行编码。 ERPL的显着特征包括：（i）优化的P2P路由和数据转发； （ii）没有其他控制消息； （iii）最小化源路由开销。我们使用仿真，模拟和基于物理测试平台的实验对ERPL相对RPL进行了广泛评估。我们的结果表明，ERPL在P2P通信中的性能优于标准RPL，其优化的P2P路由构造和数据转发算法也对协议在多点对点（MP2P）和点对多点（P2MP）通信中的性能产生积极影响。我们的结果表明，基于BF的压缩源路由信息方法对于本文考虑的各种网络都是可行的。与RPL相比，基于BF的方法可将源路由控制开销降低65％。我们的结果还提供了相对于RPL面向目的地的有向无环图（DODAG）深度的MP2P，P2MP和P2P通信性能的新见解，即，深度DODAG越深对MP2P和P2MP通信的性能产生负面影响。对P2P通信产生积极影响，而对于相对较浅的DODAG则相反。

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