Jamming of optical network operation in physical layer
Abstract
The paper presents the existing possibilities of disrupting the operation of optical/optoelectronic telecommunication
networks in a physical layer, distinguishing between passive and
active attacks. The latter relay on jamming the operation of the
optical network, ranging from the deterioration of the quality
of service to the complete prevention of transmission. Passive
attacks, on the other hand, are aimed at eavesdropping on
transmissions. The paper discusses the various types of attacks,
which are specific to the physical layer of optical networks, as
well as capabilities of detection and prevention them based on
the machine learning approach among others. Finally, a realistic
scenario of an active attack by using of a clip-on coupler has
been examined in the context of a local area optical network.
The results confirm a very disruptive impact on the transmission
quality if the power of the jamming signal is comparable with
the power of useful signal.
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