Lightpath arrangement in survivable rings to minimize the switching cost

T Eilam, S Moran, S Zaks - IEEE Journal on Selected Areas in …, 2002 - ieeexplore.ieee.org
This paper studies the design of low-cost survivable wavelength-division-multiplexing
(WDM) networks. To achieve survivability, lightpaths are arranged as a set of rings …

Minimizing SONET ADMs in unidirectional WDM rings with grooming ratio 3

JC Bermond, S Ceroi - Networks: An International Journal, 2003 - Wiley Online Library
We consider traffic grooming in WDM unidirectional rings with all‐to‐all uniform unitary
traffic. We determine the minimum number of SONET/SDH add–drop multiplexers (ADMs) …

[PDF][PDF] Research problems in dynamic traffic grooming in optical networks

S Huang, R Dutta - Traffic grooming workshop, co-located with …, 2004 - researchgate.net
Traffic grooming has recently emerged as an important area in wide area wavelength-routed
optical networks research. This research area addresses the problem of multiplexing lower …

Better bounds for minimizing SONET ADMs

L Epstein, A Levin - International Workshop on Approximation and Online …, 2004 - Springer
SONET add-drop multiplexers (ADMs) are the dominant cost factor in SONET/WDM rings.
The number of SONET ADMs required by a set of traffic streams is determined by the routing …

Traffic Grooming in Unidirectional Wavelength-Division Multiplexed Rings with Grooming Ratio C = 6

JC Bermond, CJ Colbourn, D Coudert, G Ge… - SIAM Journal on Discrete …, 2005 - SIAM
SONET/WDM networks using wavelength add-drop multiplexing can be constructed using
certain graph decompositions used to form a grooming, consisting of unions of primitive …

Polymorphic Control for Cost‐Effective Design of Optical Networks

Q Chunming, M Yousong, Y Myungsik… - European transactions …, 2000 - Wiley Online Library
A WDM optical layer can provide differentiated services to various upper layer protocols by
forming many virtual optical networks (VONs). Polymorphic control of an optical layer in the …

A 10/7+/spl epsi/approximation for minimizing the number of ADMs in SONET rings

M Shalom, S Zaks - First International Conference on …, 2004 - ieeexplore.ieee.org
SONET ADMs are dominant cost factors in WDM/SONET rings. Whereas most previous
papers on the topic concentrated on the number of wavelengths assigned to a given set of …

On the Existence of (K_5\setminuse)-Designs with Application to Optical Networks

G Ge, ACH Ling - SIAM Journal on Discrete Mathematics, 2008 - SIAM
Motivated by the connection between graph decompositions and traffic grooming in optical
networks, we continue the investigation of the existence problem for (K_5∖e)-designs of …

Improved approaches for cost-effective traffic grooming in WDM ring networks: uniform-traffic case

W Cho, J Wang, B Mukherjee - Photonic Network Communications, 2001 - Springer
To fully utilize the capabilities of a SONET/ADM network, traffic grooming is needed to
multiplex a number of lower-rate traffic streams into a higher-rate stream, and vice versa …

Wavelength assignment to minimize the number of SONET ADMs in WDM rings

X Yuan, A Fulay - Photonic Network Communications, 2003 - Springer
Optical wavelength division multiplexing (WDM) rings are being deployed to support
SONET/SDH self-healing rings. In such systems, multiple SONET/SDH self-healing rings are …