Application-aware industrial ethernet based on an SDN-supported TDMA approach
Application-aware industrial ethernet based on an SDN-supported TDMA approach
复制标题
基于 SDN 支持的 TDMA 方法的应用感知工业以太网
DOI：
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发表时间：
2016
期刊：
影响因子：
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通讯作者：
D. Timmermann
中科院分区：
文献类型：
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作者：
E. Schweissguth;Peter Danielis;Christoph Niemann;D. Timmermann
在工业自动化环境中，需要网络提供可靠和及时的数据传输。为了满足这一需求，工业以太网（IE）系统已经成为许多应用领域的重要网络技术。虽然市场上有几种IE解决方案，但所有这些系统都有明显的缺点，例如有限的可扩展性或引入单点故障（SPoF）。因此，我们提出了一种新的IE系统，是基于软件定义网络（SDN）。SDN概念最初适用于数据中心和IT网络，提供了中央网络管理功能和细粒度流量控制等功能，即使在同一网络中也可以支持具有不同要求的许多应用。因此，SDN也非常适合复杂的自动化环境。为了保证RT数据传输以及可扩展性和有效的资源使用，我们的IE系统使用的媒体访问控制（MAC）方案，该方案是基于时分多址（TDMA）机制，该机制通过在物理上分离的链路上同时进行数据传输来扩展。增强的TDMA机制由考虑应用要求的联合路由和调度算法配置。我们的理论分析，以及与系统的原型实现所取得的结果证实了我们的概念在要求苛刻的自动化环境中的应用程序，需要在1毫秒以下的最坏情况下的通信延迟的适用性。
In industrial automation environments, networks providing a reliable and timely data delivery are required. Fulfilling this need, Industrial Ethernet (IE) systems have established as an important networking technology in many application areas. Although there are several IE solutions on the market, all of these systems have notable drawbacks, like limited scalability or the introduction of a Single Point of Failure (SPoF). Therefore, we propose a novel IE system that is based on Software Defined Networking (SDN). Originally meant for data center and IT networks, the SDN concept offers features like central network management functions and a fine-grained traffic control that allows to support many applications with diverse requirements even in the same network. Thereby, SDN is also perfectly suited for complex automation environments. To guarantee RT data transmission as well as scalability and an efficient resource usage, our IE system uses a Medium Access Control (MAC) scheme that is based on a Time Division Multiple Access (TDMA) mechanism that is extended by simultaneous data transmissions on physically separate links. The enhanced TDMA mechanism is configured by a joint routing and scheduling algorithm that takes application requirements into account. Our theoretical analysis as well as results achieved with a prototype implementation of the system confirm the applicability of our concept in demanding automation environments with applications that require a worst case communication latency below 1 ms.
DOI：
10.1109/etfa.2014.7005074
发表时间：
2014-09
期刊：
Proceedings of the 2014 IEEE Emerging Technology and Factory Automation (ETFA)
影响因子：
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作者：
Peter Danielis;J. Skodzik;Vlado Altmann;E. Schweissguth;F. Golatowski;D. Timmermann;J. Schacht
通讯作者：
Peter Danielis;J. Skodzik;Vlado Altmann;E. Schweissguth;F. Golatowski;D. Timmermann;J. Schacht