Atacama: An Open FPGA-Based Platform for Mixed-Criticality Communication in Multi-segmented Ethernet Networks

G. Carvajal, M. Figueroa, R. Trausmuth, S. Fischmeister
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引用次数: 16

Abstract

Ethernet is widely recognized as an attractive networking technology for modern distributed real-time systems. However, standard Ethernet components require specific modifications and hardware support to provide strict latency guarantees necessary for safety-critical applications. Although this is a well-stated fact, the design of hardware components for real-time communication remains mostly unexplored. This becomes evident from the few solutions reporting prototypes and experimental validation, which hinders the consolidation of Ethernet in real-world distributed applications. This paper presents Atacama, the first open-source framework based on reconfigurable hardware for mixed-criticality communication in multi-segmented Ethernet networks. Atacama uses specialized modules for time-triggered communication of real-time data, which seamlessly integrate with a standard infrastructure using regular best-effort traffic. Atacama enables low and highly predictable communication latency on multi-segmented 1Gbps networks, easy optimization of devices for specific application scenarios, and rapid prototyping of new protocol characteristics. Researchers can use the open-source design to verify our results and build upon the framework, which aims to accelerate the development, validation, and adoption of Ethernet-based solutions in real-time applications.
Atacama:一个基于fpga的多分段以太网混合临界通信开放平台
以太网被广泛认为是现代分布式实时系统的一种有吸引力的网络技术。但是,标准以太网组件需要特定的修改和硬件支持,才能为安全关键型应用程序提供必要的严格延迟保证。尽管这是一个明确的事实,但用于实时通信的硬件组件的设计仍未得到充分的探索。从报告原型和实验验证的少数解决方案中可以明显看出这一点,这阻碍了以太网在实际分布式应用程序中的整合。本文提出了Atacama,这是第一个基于可重构硬件的开源框架,用于多分段以太网中的混合临界通信。Atacama使用专门的模块来进行时间触发的实时数据通信,这些模块与使用常规最佳流量的标准基础设施无缝集成。Atacama在多分段1Gbps网络上实现低且高度可预测的通信延迟,针对特定应用场景轻松优化设备,并快速构建新协议特性的原型。研究人员可以使用开源设计来验证我们的结果并在框架上构建,该框架旨在加速基于以太网的解决方案在实时应用中的开发、验证和采用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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