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The flow aggregation scheme which aggregates a large number of finer-grained services into one large flow can save transceivers and improve spectrum efficiency. It ensures that all services in the aggregated flow have a same routing. Moreover, the spectrum allocated to all finer-grained services in the aggregated flow is continuous. Compared with independent transmission scheme which conducts the...
We propose an inter-core crosstalk-aware routing, spectrum and core allocation scheme with spectrum bands and spatial Sp-Chs in multi-dimensional optical networks to get higher SE and lower XT. 15% reduction in XT is achieved.
Compared with fixed-grid optical network, flexible-grid optical network (FON) enabling technologies could provide higher spectrum efficiency and thus more capacity. With more data capacity, physical network failure (i.e., link or node) will lead to more communication disruptions, especially for multiple failures. In previous research, the protection strategies against multiple failures is mainly single-path...
We proposed a size-scalable and cost-efficient OXC architecture using limited port fine-granularity bandwidth-variable wavelength selective switches and waveband selective switches for elastic optical network, as well as a routing and spectrum allocation scheme.
This work introduces for the first time the notion of minimum interference to the RSA algorithm design and proposes two novel RSA algorithms for EON. Our results show a noticeable spectrum efficiency improvement.
Three operational routing algorithms for hierarchical Automatically Switched Optical Networks (ASON) are proposed. Their effectiveness is demonstrated in terms of blocking probability and time performance on the simulation platform developed.
It is essential for us to do research on collaboration mechanism in management-control plane in intelligent optical networks. We propose an interaction schemes using mobile agent between the control plane and management plane to solve information collection delay and management messages congestion. We construct the integrated platform by mobile agent.
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