Time Shared Optical Network (TSON): a novel metro architecture for flexible multi-granular services

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Abstract
This paper presents the Time Shared Optical Network (TSON) as metro mesh network architecture for guaranteed, statistically-multiplexed services. TSON proposes a flexible and tunable time-wavelength\ud assignment along with one-way tree-based reservation and node architecture. It delivers guaranteed sub-wavelength and multi-granular network services without wavelength conversion, time-slice interchange and\ud optical buffering. Simulation results demonstrate high network utilization, fast service delivery, and low end-to-end delay on a contention-free subwavelength optical transport network. In addition, implementation complexity in terms of Layer 2 aggregation, grooming and optical switching\ud has been evaluated.Peer ReviewedPostprint (published version