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In this paper we study the performance of several routing algorithms for optical burst switching network. The main aim is to find ways for performing dynamic load balancing and reduce congestion situation. In our analysis, we consider a common network scenario and, as a performance reference, we use the simple shortest path routing giving results of both analytical and simulation models. Therefore...
This Chapter addresses the problem of quality of service (QoS) provisioning in optical burst switching (OBS) networks. OBS is a photonic network technology aiming at efficient transport of IP traffic. The lack of optical memories, however, makes the operation in such networks quite complicated, especially if one wants to guarantee a certain level of service quality. Indeed quality demanding applications...
Physical layer impairments accumulate as light propagates through a lightpath in the transparent optical networks. Therefore, it is possible to provision a lightpath, while its quality of transmission (QoT) does not meet the required threshold. Considering the physical layer impairments in the network planning phase gives rise to a set of offline Impairments Aware Routing and Wavelength Assignment...
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