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Most research works in Optical Burst Switching (OBS) networks do not take into account the impact of Physical Layer Impairments (PLIs) either by considering fully transparent (i.e., using optical 3R regeneration) or opaque (i.e., electrical 3R regeneration) networks. However, both solutions are not feasible for different reasons. In this paper, the authors propose a novel Translucent OBS (T-OBS) network architecture which aims at bridging the gap between the transparent and opaque solutions. In order to evaluate its performance, a formulation of the Routing and Regenerator Placement and Dimensioning problem (RRPD) is presented.
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