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transparent optical WDM-networks

Energy efficient segmentation-link strategies for transparent IP over WDM core networks

Energy efficient segmentation-link strategies for transparent IP over WDM core networks

... and Wavelength Assignment”. The former can be further broken down as segment-links and link only schemes. The latter harnesses heuristic algorithms to underpin power consumption minimization taking into account ...

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Impairment -Aware Static Route and Wavelength Assignment in WDM Networks

Impairment -Aware Static Route and Wavelength Assignment in WDM Networks

... the optical medium for the lightpath to ...performed optical to electronic to optical ...opaque networks to transparent networks. In a and transparent network, signals may ...

116

Network Security Implementation Using Genetic Algorithm in WDM Optical Networks

Network Security Implementation Using Genetic Algorithm in WDM Optical Networks

... One of the serious problems with network transparency is that the properties of transparent optical components make AONs particularly vulnerable to various forms of attacks. In this paper an asymmetric ...

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A Novel Optical Control Plane for Switching an Electro Optical Hybrid Node in Translucent WDM Optical Networks

A Novel Optical Control Plane for Switching an Electro Optical Hybrid Node in Translucent WDM Optical Networks

... translucent networks during lightpath ...of optical signal quality during the lightpath setup process is applied, which is then extended to encompass the presence of shared re- ...a transparent ...

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Path Protection in Translucent WDM Optical Networks

Path Protection in Translucent WDM Optical Networks

... given optical reach r, the RRP problem has to determine how to use the minimum number of ...pure optical switch in a transparent network, thus, reducing the number of regenerators in a translucent ...

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Techniques to Support Multicast Traffic in Single-Hop WDM Optical Networks

Techniques to Support Multicast Traffic in Single-Hop WDM Optical Networks

... In particular, Rouskas and Ammar [24] proposed adaptive multicast protocols for FT-TR networks. The protocol produces a schedule in which each node is given permission to transmit multicast traffic in several ...

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A Heuristic Approach for Impairment-Aware Static RWA in WDM Translucent Networks

A Heuristic Approach for Impairment-Aware Static RWA in WDM Translucent Networks

... Although optical fibers can transmit signals over relatively long distances, due to transmission impairments due to physical phenomena, signal regeneration is required if the length of a lightpath exceeds a ...

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Performance Analysis of Mixed Line Rate Optical WDM Networks under Link Failure

Performance Analysis of Mixed Line Rate Optical WDM Networks under Link Failure

... III. SIMULATION RESULTS AND DISCUSSION Simulation results were run on MATLAB7.0 software with Windows operating system. The famous NSF network topology NSFNET with 14 nodes and 22 bidirectional links is considered in ...

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Impairment-Aware Dynamic Routing and Wavelength Assignment in Translucent Optical WDM Networks

Impairment-Aware Dynamic Routing and Wavelength Assignment in Translucent Optical WDM Networks

... The Routing with regenerators problem (RRP) [12] is to establish, if possible, a transparent or a translucent lightpath for every new connection request, using the regenerators deployed in the RPP stage. The ...

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Optimization of WDM Optical Networks

Optimization of WDM Optical Networks

... day optical network may have 100’s, even 1000’s of kilometers long optical fibers connecting individual ...interchangeably). Optical signals passing through such long haul or extra long haul fibers ...

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Adaptive priority based shortest path routing for the WDM optical Networks

Adaptive priority based shortest path routing for the WDM optical Networks

... The WDM (wave length division multiplexing) offers large network capacity, so high speed data transfer is ...The optical paths guarantee network availability for job- execution assurances, so data transfer ...

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RESOURCE PLANNING FOR DYNAMIC TRAFFIC GROOMING IN WDM OPTICAL NETWORKS

RESOURCE PLANNING FOR DYNAMIC TRAFFIC GROOMING IN WDM OPTICAL NETWORKS

... communication networks is driven by ever-increasing user demand for new applications as well as continuous advancements in the technologies ...of optical fibers as the communication medium, which can ...

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Dual MCDRR Scheduler for Hybrid TDM/WDM Optical Networks

Dual MCDRR Scheduler for Hybrid TDM/WDM Optical Networks

... In this paper we proposed and investigated the performance of the dual multi-channel deficit round-robin (D-MCDRR) scheduler based on the existing single MCDRR schedule with tunable transmitters and fixed receivers in ...

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A Survey of DWDM Networks, its Development and Future Scope in Telecommunication Domain

A Survey of DWDM Networks, its Development and Future Scope in Telecommunication Domain

... that optical fiber would one day make its way into the subscriber loop and be used to connect individual ...fiber optical network to deliver both narrowband and broadband ...access optical ...

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On scheduling problems with applications to packet-switched optical WDM networks

On scheduling problems with applications to packet-switched optical WDM networks

... approximation algorithm for the non-preemptive open-shop sheduling problem [9℄, the shedule produed. by the deomposition algorithm has length[r] ...

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An Optimal Formulation for Handling SLD in Impairment Aware WDM Optical Networks

An Optimal Formulation for Handling SLD in Impairment Aware WDM Optical Networks

... There are two main design problems that need to be addressed in translucent optical networks, they are routing with regenerator placement (RRP) and routing and regenerator assignment (RRA). In RRP [11], the ...

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The Design and Implementation of Scrambling Wavelength Hopping with AWG Router and Optical Switch over Secure WDM Network

The Design and Implementation of Scrambling Wavelength Hopping with AWG Router and Optical Switch over Secure WDM Network

... and optical switch on the transmitter Here, the different wavelengths appear in the output port of AWG router as user’s carrier and transfer to electro -optics modulator ...by optical spectrum analy zer ...

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Power Saving in Traffic Grooming WDM optical networks using Genetic Algorithm

Power Saving in Traffic Grooming WDM optical networks using Genetic Algorithm

... In this paper, we have performed saving of energy at both the layers. Here we have proposed a scheme for saving energy at IP-over-WDM networks by shutting down idle chassis of routers and line cards during ...

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Quality of Transmission (QoT)–Aware Routing in All-Optical WDM Networks

Quality of Transmission (QoT)–Aware Routing in All-Optical WDM Networks

... In order to overcome the drawback inherited in Apriori, an efficient FP-tree based mining method, FP -growth, which contains two phases, where the first phase constructs an FP tree, [r] ...

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EDFA WDM Optical Network using GFF

EDFA WDM Optical Network using GFF

... an optical isolator has been used and investigated highly efficient amplifier configurations with total high gain and narrow ASE ...the optical and electronic gain control technique with suppressed ...

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