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Modular design has recently emerged as an efficient solution to build large data center (DC) facilities. Modular DCs are based on stand-alone prefabricated modules (i.e., PODs) that can be easily installed and interconnected. PODs can generate a large amount of traffic and thus require an ultra-high-capacity interconnection network. However, current electronic and optical interconnect architectures...
Energy consumption in telecommunication networks has become a significant problem during the last few years. Many energy efficient mechanisms have been proposed and evaluated with respect to their impact on the overall network performance (e.g., delay, blocking probability, quality of transmission). Most of these mechanisms are based on the sleep mode functionality, i.e., a “low power” state of network...
In this talk the cost of building resilient passive optical networks (PONs) is analyzed in relation to the connection availability performance. Both standard and several novel PON protection architectures are considered. A new measure for cost efficiency of protection is proposed to compare different protection architectures in order to select the most appropriate ones for particular groups of clients...
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