We proposed a dynamic routing and frequency slots allocation scheme which adopted the adaptive modulation for a novel
Spectrum-sLICed Elastic optical path network (SLICE). In our dynamic routing scheme, both spectrum resource
availability (SRA) and distance (hop number) are considered at the modulation format selection phase for adaptive
modulation. We then conducted numerical simulation to compare our Spectrum Resource Adaptive and Distance
Adaptive (SRA-DA) mechanism with previous DA in both small network topology and 7×7 mesh topology. Results
shown that SRA-DA mechanism achieved lower blocking rate and higher slots utilization compared to DA in bigger
networks.
Presented in this paper is a dual routing engine-enabled optical network platform with multi-domains and multi-layers.
Structure and key technologies of the platform are outlined. Experiments on it with 2 routing strategies are conducted,
the results are discussed and the network scalability is evaluated.
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