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In order to solve the problem of on-board optical burst switching assembly algorithm cannot realize completely QoS guarantee, an on-board optical burst switching weight-weighted round robin assembly algorithm based on the QoS guarantee(QWRRA) is proposed in this paper. In this assembly algorithm, IP packet will be inserted in different queue according to the different destination and QoS level when...
This paper proposes a novel Routing and Spectrum Assignment (RSA) method in Pbit/s optical switching node: Multipath and Optimal Spectrum Continuity based (MOSC) method for de-fragmentation. This method mitigates spectrum fragmentation occurs in Pbit/s optical switching node of flexible bandwidth optical networks due to dynamic allocation of spectrum resources for new connections. Simulation results...
We propose a novel orthogonal modulation format- 8PSK with ASK labeling for optical label switching. Balanced coherent detection and multi-symbol phase estimation (MSPE) technologies are used to improve the 8PSK payload performance.
A novel optical buffer bases on cascaded DLOBs is proposed and experimentally demonstrated. This buffer can provide large variable delay range of 1-999 times of the basic delay unit and be dynamically reconfigurable within nanoseconds.
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