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We study the problem of joint spectrum and storage resource backup (JSSRB) to improve the survivability of elastic optical datacenter networks (EODNs) for cloud services. An ILP model and heuristic algorithms are developed. Simulation results show that JSSRB can effectively improve the survivability and spectrum efficiency of EODNs.
Optical steganography can realize the broadening of signal in the time domain through the group velocity dispersive, and transform the signal which needs to be protected into system-like noise hidden in the public service for transmission. Because of the random distribution of public and stealth services in the optical network, the establishment of end-to-end stealth channels often needs to connect...
Master-slave switching nodes with three planes for power grid communications in substation based on software defined network are proposed. A FPGA-based control module and its relative management software as well as an experimental optical switching node are developed, and built, which have verified the switch, control and routing management for the optical switching node. The proposed scheme can realize...
A method based on fiber-optic surface plasmon resonance (FO-SPR) to detect mixed petrol is proposed to realize real-time, rapid monitoring of the mixed petrol interface in transportation pipelines. When the sensing region of the FO-SPR sensor was immersed in the petrol sample, the mixed petrol could be detected by measuring the refractive index of the petrol, which responds to the resonance wavelength...
As the implantable enzyme electrode glucose sensor is unable to overcome the influence of bioelectricity intrinsically, a novel implantable fiber-optic surface plasmon resonance (SPR) sensor which can detect the glucose concentration in interstitial fluid (ISF) to satisfy the clinical demand of continuous blood glucose monitoring is proposed. Because the SPR sensor is sensitive to temperature and...
Fault localization is an important issue in all-optical networks. Considered with the accurate and fast multi-link failures localization for multi-domain all-optical networks, we propose an effective localization mechanism based on the limited perimeter vector match (LVM) protocol. The inter-domain multi-link failures are located according to the alarm and monitoring information. And the disrupted...
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