Andrzej Tymecki

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Optical networking is the cornerstone of the Future Internet as it provides the physical infrastructure of the core backbone networks. Recent developments have enabled much better quality of service/experience for the end users, enabled through the much higher capacities that can be supported. Furthermore, optical networking developments facilitate the(More)
The use of cognition is a promising element for the control of heterogeneous optical networks. Not only are cognitive networks able to sense current network conditions and act according to them, but they also take into account the knowledge acquired through past experiences; that is, they include learning with the aim of improving performance. In this(More)
This paper presents the implementation and performance evaluation of a cognitive heterogeneous optical network testbed. The testbed integrates the CMP, the data plane and the cognitive system and reduces by 48% the link restoration time. OCIS codes: (060.4261) Networks, protection and restoration; (060.4250) Networks; (060.4510) Optical communications
To analyze the costs of any optical fiber installation, it is critical to know the evolution of prices of its individual components in time. In this paper we present reliable data prices for several fiber components and we propose future cost trends for them. We extract that, while optical fiber cable manufacturing is a mature technology and no large cost(More)
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