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Spectrum Efficient Super-Channels in Dynamic Flexible Grid Networks – A Blocking Analysis
Networks assignment routing algorithms
2011/5/25
We analyze the blocking performance of spectrum efficient super-channels in dynamic flexible grid networks. Results demonstrate that increased spectral efficiency and flexible super-channel assignment...
Data Transmission Using Wavelength-Selective Spatial Routing for Photonic Interconnection Networks
Integrated Optics Optical Switching Devices Optics in Computing Optical
2011/5/22
Wavelength-selective spatial routing is proposed for photonic networks and demonstrated on an electro-optic microring switch. This technique yields greater path diversity in photonic networks, enablin...
Cloud Computing over Light-trail WDM Core Networks
Cloud Computing Light-trail WDM Core Networks
2010/6/10
Light-trail, a spatial sub-wavelength optical grooming solution for WDM networks, facilitates dynamic bandwidth provisioning and optical multicasting - essential for cloud computing services. We evalu...
Accounting for PMD Temporal Correlation during Lightpath Set Up in GMPLS-controlled Optical Networks
Networks assignment routing algorithms.
2010/6/8
A novel impairment-aware lightpath provisioning scheme, which leverages PMD tempo-ral correlation, is proposed for GMPLS-controlled transparent networks. Simulations show that the scheme reduces the b...
An Information-Diffusion-Based Routing Scheme in Wavelength-Routed WDM Mesh Networks
Networks Networks assignment routing algorithms
2010/6/5
We propose a novel information-diffusion-based routing (IDBR) scheme in wavelength routed WDM mesh networks. The IDBR scheme has the fast convergence and the low bandwidth consumption of OSPF-TE while...
Efficient Routing in Heterogeneous Core DWDM Networks
Networks assignment routing algorithms network optimizatio
2010/6/5
We design a cost efficient routing algorithm and prototype a network planning tool to cost-effectively provision high-speed connections over a large carrier’s heterogeneous core DWDM network with mult...
A Scalable Constraint-based Path Computation Approach in Multi-domain Optical Networks
Networks Optical communications
2010/6/4
Inter-domain network information distribution becomes the bottleneck of constraint-based path computation in multi-domain optical networks. This article proposes scalable DHT-based path computation ap...
Weight-based Algorithm for Demand Aggregation in SONET/DWDM Networks
Algorithm Demand Aggregation SONET/DWDM Networks
2009/7/17
A weight-based heuristic algorithm was developed to efficiently aggregate UPSR demands into SONET rings over DWDM networks in order to minimize the total number of optical line cards for a given set o...
Hardware Based Scalable Path Computation Engine for Multilayer Traffic Engineering in GMPLS networks
Hardware Scalable Path Computation Engine Multilayer Traffic Engineering GMPLS networks
2008/8/4
A parallel data-flow hardware based path computation engine that makes multilayer traffic engineering more scalable is proposed. The engine achieves 100 times faster than conventional path computation...
Network Segmentation and Design Algorithm for Large-Scale Optical Path Networks based on Traffic Distribution Information
Network Segmentation Design Algorithm Large-Scale Optical Path Networks Traffic Distribution Information
2008/8/3
We propose a network segmentation and design algorithm based on traffic distribution information.Numerical experiments demonstrated that the proposed algorithm can greatly reduce network cost.
A Near-Optimal Heuristic Algorithm for Advance Lightpath Reservation in WDM Networks
Near-Optimal Heuristic Algorithm Lightpath Reservation WDM Networks
2008/8/3
We proposes a Lagrangean Relaxation based algorithm that derives profoundly tight lower and upper bounds with low computational complexity, yielding a near-optimal solution to the advance lightpath re...