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With the extremely high volume of traffic carried on wavelength division multiplexing (WDM) networks, survivability becomes increasingly critical in managing high speed networks. In a WDM network, the failure of network element (i.e. fiber links, and cross connects) may cause the failure of several optical channels, thereby leading to large data loss. Here the different approaches are investigated...
We present a MIP formulation and an efficient heuristic for the problem of logical topology design for a distributed computing application to survive one computing cluster failure and one fiber link failure in WDM networks.
We demonstrate routing of 8-WDM-channel 10 Gb/s optical packets through an 8-node sub-network of the data vortex, realizing virtual buffering within the switching fabric. Single pulse WDM encoding for the header simplifies packet control and reduces latency.
We demonstrate the impact of optical switch, amplifier and MUX/DEMUX characteristics on optical network performance evaluated from our physical-impairment-based RWA algorithm. We present blocking probabilities as a function of traffic load and network device parameters.
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