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Validating secure and reliable IP/MPLS communications for current differential protection

Blair, S.M. and Booth, C.D. and De Valck, B. and Verhulst, D. and Kirasack, C. and Wong, K.Y. and Lakshminarayanan, S. (2016) Validating secure and reliable IP/MPLS communications for current differential protection. In: DPSP - Developments in Power Systems Protection 2016, 2016-03-07 - 2016-03-10.

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Abstract

Current differential protection has stringent real-time communications requirements and it is critical that protection traffic is transmitted securely, i.e., by using appropriate data authentication and encryption methods. This paper demonstrates that real-time encryption of protection traffic in IP/MPLS-based communications networks is possible with negligible impact on performance and system operation. It is also shown how the impact of jitter and asymmetrical delay in real communications networks can be eliminated. These results will provide confidence to power utilities that modern IP/MPLS infrastructure can securely and reliably cater for even the most demanding applications.