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Performance of Optical Burst Swatching Techniques in Multi-Hop Networks Byung-Chul Kim, You-Ze Cho, Jong-Hyup Lee, young-Soo Choi, and Doug Montgomery
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Burst Transmission in OBS
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Characteristics of The OT and FDL-based Scheme OT-based Scheme FDL-based scheme Routing information requirements at source node YesNo FDL requirements at core nodeNoYes Protection/restoration complexityHighLow
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Classification of Wavelength Reservation Scheme for OBS Compensation for the processing time of the control packet OT-based scheme FDL-based scheme Channel reservation Immediate reservation JITTerabit burst switching Delayed reservation JET
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Path Length Priority Effect in OT-based Scheme
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The FDL/DR with HPI Scheme
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Simulation Model
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Comparison of The Burst Blocking Probability
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Burst Block Probability at Each Hop
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Cumulative Burst Blocking Probability
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Throughput
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Conclusion In this paper, the authors classified the wavelength reservation mechanisms of OBS and investigated the path length priority effect of the OT/DR-based scheme. A novel FDL/DR with HPI scheme is proposed to improve the end-to-end throughput by increasing the priority of bursts hop-by-hop using the input FDLs at each node.
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