Time synchronization security using IPsec and MACsec
- 1 September 2011
- conference paper
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE) in 2011 IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication
Abstract
The wide deployment of the IEEE 1588 Precision Time Protocol (PTP) raises significant security concerns; its quick assimilation has outrun security standardization efforts. In the absence of a standard security solution for PTP, several different alternatives have been suggested as a means to fill this vacuum using existing off-the-shelf security protocols. In this paper, we analyze PTP security solutions using two such protocols; IPsec and MACsec. We characterize the common deployment scenarios for PTP using these protocols, and then present a security threat analysis under these scenarios.Keywords
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