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From Best Effort to Deterministic Packet Delivery for Wireless Industrial IoT Networks

机译：从尽力而为无线工业物联网网络的确定性数据包传输

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摘要

Wireless industrial networks require reliable and deterministic communication. Determinism implies that there must be a guarantee that each data packet will be delivered within a bounded delay. Moreover, it must ensure that the potential congestion or interference will not impact the predictable properties of the network. In 2016, IEEE 802.15.4 time-slotted channel hopping (TSCH) emerged as an alternative medium access control to the industrial standards such as WirelessHART and ISA100.11a. However, TSCH is based on traditional collision detection and retransmission, and cannot guarantee reliable delivery within a given time. This paper proposes LeapFrog Collaboration (LFC) to provide deterministic and reliable communication over a routing protocol (RPL) based network. LFC is a novel multipath routing algorithm that takes advantage of route diversity by duplicating the data flow onto an alternate path. Simulations and analytical results demonstrate that LFC significantly outperforms the single-path retransmission-based approach of RPL + TSCH and the state-of-the-art LinkPeek solution.
机译：无线工业网络需要可靠的确定性通信。确定性意味着必须保证每个数据包都将在有限的延迟内交付。而且，必须确保潜在的拥塞或干扰不会影响网络的可预测属性。 2016年，IEEE 802.15.4时隙信道跳变（TSCH）成为了对工业标准（例如WirelessHART和ISA100.11a）的替代媒体访问控制。但是，TSCH基于传统的冲突检测和重传，并且不能保证在给定时间内可靠的传递。本文提出了LeapFrog协作（LFC），以通过基于路由协议（RPL）的网络提供确定性和可靠的通信。 LFC是一种新颖的多路径路由算法，通过将数据流复制到备用路径来利用路由多样性。仿真和分析结果表明，LFC明显优于RPL + TSCH的基于单路径重传的方法和最新的LinkPeek解决方案。

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