Open Access
A Review of Traffic Grooming in WDM Optical Networks: Architectures and Challenges
Keyao Zhu,Biswanath Mukherjee +1 more
Reads0
Chats0
TLDR
Various network and node architectures for different traffic -grooming scenarios are compared and discussed and it is expected that there will be much more interest on the mesh topology suitable for long-haul, widearea networks.Abstract:
The transmission capacity of a link in today’s optical networks has increased significantly due to wavelength-division multiplexing (WDM) technology. The network performance is now mainly limited by the processing capability of the network elements, which are mainly electronic. By efficiently grooming low-speed traffic streams onto high-capacity optical channels, it is possible to minimize this electronic processing and eventually increase the network performance. Traffic grooming is an emerging topic that has been gaining more research and commercial attention. Most previous research on traffic grooming is mainly based on the ring network topology. It is expected that there will be much more interest on the mesh topology suitable for long-haul, widearea networks. This paper reviews most of the recent research work on traffic grooming in WDM ring and mesh networks. Various network and node architectures for different traffic -grooming scenarios are compared and discussed. * This work has been supported by the National Science Foundation (NSF) under Grant Nos. NCR-9508239 andANI-9805286, and by Sprint Advanced Technology Laboratories (ATL).read more
Citations
More filters
Proceedings ArticleDOI
On survivable traffic grooming over logical topologies in WDM mesh networks
TL;DR: It is shown that it is possible to guarantee that a significantly high number of requests for communication can be handled using this scheme, irrespective of the location of the fault, and two new integer linear program formulations have been presented using this approach.
Journal ArticleDOI
On bandwidth tiered service
George N. Rouskas,N. Baradwaj +1 more
TL;DR: This work provides a systematic framework for reasoning about and tackling algorithmically the general problem of service tier selection, and has applications to a number of networking contexts, including access networks and core networks.
Journal ArticleDOI
An improved multiobjective approach inspired by the flashing behaviour of fireflies for Traffic Grooming in optical WDM networks
TL;DR: This work uses both multiobjective optimization and evolutionary computation with the aim of facing this optical networking problem, and concludes that the new version of the MO-FA is an effective approach for dealing with this telecommunication problem.
Proceedings ArticleDOI
A pure framework for cost-effective virtual ring based traffic grooming in WDM optical networks
TL;DR: This paper presents a cost-effective virtual topology design framework based on virtual rings in both ring and mesh optical WDM networks and shows that the second and third step are both NP-complete.
Design and optimization of packet switching and traffic grooming in wdm optical networks
TL;DR: This research focused on developing efficient algorithms for circuit construction and proposed two heuristics based on Random Hill-climber and Simulated Annealing that have good performance in reducing the low-rate circuit number and end node number.
References
More filters
Book
Optical Networks: A Practical Perspective
TL;DR: The second edition of Optical Networks: A Practical Perspective succeeds the first as the authoritative source for information on optical networking technologies and techniques as discussed by the authors, covering componentry and transmission in detail but also emphasizing the practical networking issues that affect organizations as they evaluate, deploy, or develop optical solutions.
Book
Optical Communication Networks
TL;DR: A comprehensive explanation of the newest developments in optical networks in the MCGRAW-HILL COMPUTER COMMUNICATIONS series.
Journal ArticleDOI
Traffic grooming in an optical WDM mesh network
Keyao Zhu,Biswanath Mukherjee +1 more
TL;DR: The node architecture for a WDM mesh network with traffic-grooming capability, using wavelength-division multiplexer (OADM) to perform the optical bypass at intermediate nodes to improve the network throughput is studied.
Journal ArticleDOI
Light trees: optical multicasting for improved performance in wavelength routed networks
TL;DR: It is demonstrated that an optimum light-tree-based virtual topology has clear advantages over an optimumLightpath-basedvirtual topology with respect to the above two objectives.
Journal ArticleDOI
Traffic grooming in WDM networks
TL;DR: An overview of the traffic grooming problem is given and some representative work in this area is surveyed, showing that grooming traffic in general mesh networks is an important emerging problem.