Traffic grooming, routing, and wavelength assignment in WDM transport networks with sparse grooming resources

2007 ◽  
Vol 30 (18) ◽  
pp. 3508-3524 ◽  
Author(s):  
Osama Awwad ◽  
Ala I. Al-Fuqaha ◽  
Ammar Rayes
Keyword(s):  
Traffic Grooming ◽  
Routing And Wavelength Assignment ◽  
Wavelength Assignment ◽  
Transport Networks

Dynamic routing and wavelength assignment for efficient traffic grooming

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Neeraj Mohan ◽  
Priyanka Kaushal
Keyword(s):  
Optical Networks ◽  
Resource Utilization ◽  
Wavelength Division Multiplexing ◽  
Computer Network ◽  
Blocking Probability ◽  
Traffic Grooming ◽  
Routing And Wavelength Assignment ◽  
Wavelength Assignment ◽  
Dynamic Traffic ◽  
Network Efficiency

AbstractThe routing and wavelength assignment (RWA) schemes play an important role in all computer networks. The performance of a computer network and resource utilization largely depend on the RWA. The demand for higher bandwidth is increasing with each passing day, so more efficient RWA schemes need to be devolved to cater the increasing requirements. RWA becomes more challenging for dynamic traffic as the nature and flow of data are not known in advance. In this paper, a dynamic RWA scheme has been proposed for establishing a path in optical networks. The proposed scheme is based upon dynamic conversion sensing algorithm. It can be applied on a number of different network topologies. The proposed scheme is dynamic in nature, which is significantly useful for dynamic traffic grooming. The proposed scheme has been applied on 14 nodes National Science Foundation Network (NFSNet). Simulation results have shown that the blocking probability of this scheme is very low as compared to the existing schemes. So, the proposed dynamic RWA scheme enhances the network efficiency. It is useful for congestion hit networks. The reduced blocking probability in wavelength division multiplexing optical networks leads to better resource utilization and enhanced performance.

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