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Content Provider | IEEE Xplore Digital Library |
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Author | Tournier, J.-C. Goerlitz, O. |
Copyright Year | 2009 |
Description | Author affiliation: ABB Switzerland Ltd., Corporate Research, Switzerland (Tournier, J.-C.; Goerlitz, O.) |
Abstract | The IEEE 1588 Precision Time Protocol seems to be a promising way to handle the synchronization requirements of tomorrow's substation automation based on IEC 61850. While a specific working group is tackling the security aspects of the protocols defined by IEC 61850, a secure IEEE 1588 protocol remains mostly uncovered in the specific context of substation automation. In this paper, we are focusing on securing IEEE 1588 for substation automation. We are analyzing and classifying the different attacks relevant for a substation and proposing a way to handle the logical disconnection of the time server and its clients that appears whenever an attack occurs. The method based on clock drift correction allows to keep a node synchronized for different period of time depending on the correction mechanism used. The implementation and experiments of the different drift correction mechanisms shows the tradeoff between the accuracy of the correction and the required computational time. By analyzing the different experiments, we can then match the computational power of a class of devices present in a substation and a correction technique. |
Starting Page | 1 |
Ending Page | 8 |
File Size | 163246 |
Page Count | 8 |
File Format | |
ISBN | 9781424446360 |
DOI | 10.1109/CRIS.2009.5071498 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-03-27 |
Publisher Place | Sweden |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Substation Automation Protocols Islanding Secure time synchronization protocol Substation protection Merging Synchronization Security Global Positioning System Substation automation IEC standards IEEE 1588 Automatic control IEC 61850 Clocks |
Content Type | Text |
Resource Type | Article |
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