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Different routing schemes for multi-layer and multidomain optical networks are analyzed, and a novel routing architecture is described in the paper. Cooperation models between dual routing engine in large-scale multi-layer and multidomain optical networks are researched, and an optimal model is proposed and simulated. Then the scalability of dual routing engine architecture is validated on DRE testbed.
An IA-RWA computation with QoT compensation based on double Cooperating PCEs is presented and extended AMSON testbed is verified. Two kinds of IA-RWA computation with QoT compensation strategies including Cooperating PCEs based and RSVP based strategies are demonstrated and compared.
A novel global quality of transmission (QoT) optimization scheme is proposed for GMPLS-based reconfigurable transparent optical networks. By perceiving and controlling the transmission impairments and state of tunable compensators, dynamic QoT optimization is implemented on the fly. Simulation results show that, the proposed QoT optimization can avoid unnecessary compensator adjustment and lower operating...
Architecture of DREAMSCAPE is introduced into optical networks combined with ASON/GMPLS, and a selection scheme is proposed for group engine (GE) and unit engine (UE). Then the cooperation relationship of modules in GE and the verification platform are described.
This paper designs a PCE-based architecture of routing, and proposes two distributed signaling schemes in PCE-based wavelength switching optical network (WSON). Simulation results based on the topology of Chinese core network are given and analyzed.
We experimentally investigate impairment aware routing and end-to-end compensation in a WSON testbed. The extended control plane modules for QoT optimization and two compensation control strategies are realized and verified in terms of optical power adaptive adjustment.
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