搜索结果: 1-12 共查到“光学工程 WDM Networks”相关记录12条 . 查询时间(0.103 秒)
An Optimal Model for LSP Bundle Provisioning in PCE-based WDM Networks
Fiber optics and optical communications Networks
2011/5/21
A time-efficient resource optimization model for dynamic concurrent provisioning of connection requests at PCE is proposed. It is shown that a significant performance improvement can be achieved witho...
Efficient Shared Subconnection Protection in Mixed-Line-Rate Optical WDM Networks
Efficient Shared Subconnection Protection Mixed-Line-Rate Optica WDM Networks
2011/5/20
Employing Mixed Line Rates (MLR) in optical WDM networks enables new paradigms for protection. We propose to design transparent MLR networks with shared subconnection protection and achieve significan...
Hybrid Optical WDM Networks Utilizing Optical Waveband and Electrical Wavelength Cross-connects
Hybrid Optical WDM Network Optical Waveband Electrical Wavelength Cross-connects
2011/5/18
We propose an optical waveband and electrical OTN hybrid-HOXC node configuration,and a suitable network design algorithm. The proposed hybrid-HOXC network is verified as being very cost effective over...
An Outer-ROADM-Ring-Based Multi-Domain Routing Scheme in Optical WDM Networks
Optical WDM Network Outer-ROADM-Ring-Based Outer-ROADM Ring-Based
2011/5/15
We propose a novel outer-ROADM-ring (ORR) based multi-domain routing scheme in optical WDM networks. Results show that this scheme has both high scalability and low blocking probability, while preserv...
On Operating Shared-Path-Protected WDM Networks Non-Revertively by Using Backup Path Reprovisioning
Networks Network survivability Protection and restoration
2010/6/10
Performance of using backup path reprovisioning for non-revertive operations of shared-path-protected optical networks is assessed in terms of connection availability. Numerical results indicate that ...
New and Improved Strategies for Optical Protection in Mixed-Line-Rate WDM Networks
Networks combinatorial network design wavelength routing
2010/6/10
Employing Mixed Line Rates (MLR) in optical WDM networks enables new paradigms for protection at lightpath level. We design transparent MLR networks with dedicated protection and achieve significant c...
We analyze the performance of six export policies for a multi-domain routing protocol in WDM networks. We show that providing many AS-disjoint paths for survivability and load-balancing does not neces...
Comparison of Static and Dynamic WDM Networks in Terms of Energy Consumption
Fiber optics communications Networks
2010/6/4
The benefit of migrating from static to dynamic WDM networks is evaluated, for the first time, in terms of energy consumption. Results show a clear benefit of dynamic operation for traffic loads < 0.5...
This work proposes an adaptive routing scheme based on ant optimization techniques and novel graph-based waveband assignment algorithm to accommodate and group online lightpath requests while minimizi...
Impairment Constraint Based Routing (ICBR) with Service Differentiation in Survivable WDM Networks
Impairment Constraint Based Routing (ICBR) Service Differentiation Survivable WDM Networks
2009/7/14
We propose and evaluate a novel survivable Impairment Constraint Based Routing (ICBR) algorithm with service differentiation at the Bit Error Rate level. Simulations show significant improvement in co...
Novel Node Architectures for Wavelength-Routed WDM Networks with Wavelength Conversion Capability
Node Architectures Wavelength-Routed WDM Networks Wavelength Conversion Capability
2008/8/6
We present and evaluate two novel node architectures based on optical switch matrices and wavelength converters (WCs). Relatively small and cheap switches are required while WCs efficiently improve bl...
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...