Evaluation of clock synchronization accuracy of coexistent Real-Time Ethernet protocols

被引：5
|
作者：
Ferrari, P. [1 ]
Flammini, A. [1 ]
Rinaldi, S. [1 ]
Gaderer, G. [2 ]
机构：
[1] Univ Brescia, DEA, Via Branze 38, I-25123 Brescia, Italy
[2] Austrian Acad Sci, A-2700 Wiener Neustadt, Austria
来源：
2008 IEEE INTERNATIONAL SYMPOSIUM ON PRECISION CLOCK SYNCHRONIZATION FOR MEASUREMENT, CONTROL AND COMMUNICATION | 2008年
关键词：
Real-Time Ethernet; Industrial Automation; Simulation; Coexistence; Clock synchronization;
D O I：
10.1109/ISPCS.2008.4659219
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper investigates Real-Time Ethernet (RTE) protocols for industrial applications and their clock synchronization performance. In fact, if different RTE protocols coexist on the same network sharing the same infrastructure, clock synchronization capabilities can be affected. This paper introduces a simulation environment to evaluate coexistence of RTE protocols. The proposed tool is described and validated by comparison with measurement data taken from real networks. Finally, simulation results are presented: the behavior of Ethernet/IP with IEEE1588-PTP, when it is transported over an isochronous PROFINET IO network, is shown and some improvements to the PTP tracking algorithms to ease coexistence are proposed.
引用
收藏
页码：87 / +
页数：2
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