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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., with optical 3R regeneration) or opaque (i.e., with electrical 3R regeneration) networks. However, both solutions are not feasible due to the technological requirements of the former and the high cost of the latter. In this paper, the authors deal with a TransLucent OBS (TL-OBS) network architecture that 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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