Proposal Of The Standard-based Method For
Communication Safety Enhancement In Railway
Signalling Systems
Author(s)
H.-J. Jo, J.-G. Hwang, B.-H. Kim, K.-M. Lee & Y.-K. Kim
Abstract
Safety-critical systems related to the railway communications are currently
undergoing changes. Mechanical and electro-mechanical devices are being
replaced by programmable electronics that are often controlled remotely via
communication networks. Therefore designers and operators now not only have
to contend with component failures and user errors, but also with the possibility
that malicious entities are seeking to disrupt the services provided by their
systems. Recognizing the safety-critical nature of the types of communications
required in rail control operations, the communications infrastructure will be
required to meet a number of safety requirements such as system faults, user
errors and the robustness in the presence of malicious attackers who are willing
to take determined action to interfere with the correct operation of a system. This
paper discusses the safety strategies employed in the railway communications
and proposes a security mechanism for the Korean railway communication
system. We present the developed communication safety evaluation tool based
on the proposed security mechanism and also evaluate its protecting capability
against threats of masquerading, eavesdropping, and unauthorized message
manipulation.
Keywords: railway communication, safety evaluation tool, security mechanism.
1 Introduction
As the conventional mechanical and electronic systems used in communication
for railway signal control are being replaced by programmable electronic
systems that can be remote-controlled through telecommunication networks,
Keywords
railway communication, safety evaluation tool, security mechanism
Related Book
Other papers in this volume
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