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Dynamic Routing and Frequency Slot Assignment for Elastic Optical Path Networks that Adopt Distance Adaptive Modulation
Networks assignment routing algorithms All-optical networks
2011/5/25
We propose a dynamic routing and frequency slot assignment algorithm for SLICE networks that employ distance adaptive modulation. We verify that the spectrum utilization penalty that stems from non-un...
OLARP:Open Lambda Assignment and Routing Problem – Bandwidth Multiplier for Metro and Access Networks
OLARP Open Lambda Assignment Routing Problem – Bandwidth Multiplie Access Networks
2011/5/21
We consider, for the first time, the problem of flexible/open wavelength assignment and propose an optimal as well as heuristic solution. Simulation results validate our solution to within 15% of the ...
Efficient Regenerator Placement and Wavelength Assignment in Optical Networks
Efficient Regenerator Placement Wavelength Assignment Optical Networks
2011/5/21
We present a novel auxiliary graph approach for optical networks regenerator placement and wavelength assignment (RPWA) problem. Simulation results show that our proposed approach outperforms other tw...
Dynamic Routing and Spectrum Assignment in Flexible Optical Path Networks
Dynamic Routing Flexible Optical Path Network Spectrum Assignment
2011/5/15
We propose dynamic routing and spectrum assignment algorithms for bitrate-flexible lightpaths in OFDM-based optical networks. The novel algorithms enable dynamic spectrum assignment with more efficien...
Resource-Efficient Task Assignment and Scheduling in Optical Grids
All-optical networks Networks assignment routing algorithms
2010/6/10
We propose a resource-efficient list scheduling heuristic for the problem of task scheduling in an optical Grid with the objectives of maximizing the network utilization efficiency and minimizing the ...
Routing and Wavelength Assignment for Transparent Optical Networks With QoT Estimation Inaccuracies
Networks assignment routing algorithms Optical communications
2010/6/5
We show how inaccuracies of Quality of Transmission (QoT) estimations, caused by imperfect models and lack of monitors in transparent optical networks, can be mitigated using a novel routing and wavel...
Power-Aware Routing and Wavelength Assignment in Optical Networks
Power-Aware Routing Wavelength Assignment Optical Networks
2009/7/17
We introduce the Power-Aware RWA problem, whose goal is to accommodate lightpaths in wavelength routing networks minimizing the power consumption. Formulation, algorithms, and results are presented, s...
Route and Wavelength/Waveband Assignment for Creation of Compact Hierarchical Optical Cross-Connect for Multi-Ring Connection
Route Wavelength/Waveband Assignment Compact Hierarchical Optical Cross-Connect Multi-Ring Connection
2009/7/15
We propose a route and wavelength/waveband assignment method for multi-ring networks linked by hierarchical optical cross-connects. Numerical experiments reveal that the switch scale is significantly ...
Online Upstream Scheduling and Wavelength Assignment Algorithms for WDM-EPON Networks
Online Upstream Scheduling Wavelength Assignment Algorithms WDM-EPON Networks
2009/7/14
We show that efficiency problems arise when online scheduling and wavelength assignment is employed in WDM-EPON networks and propose algorithms for minimizing their effect, leading to improved capacit...
Routing and Wavelength Assignment in PCE-based Wavelength Switched Optical Networks
Routing Wavelength Assignment PCE Switched Optical Networks
2008/8/3
Implementations of three PCE-based WSON architectures are proposed. If the PCE performs wavelength assignment utilizing a path set precomputed at ingress nodes, complexity is effectively traded off wi...