ICC
2011
IEEE
13 years 1 days ago
2011
IEEE
—Ant colony optimization (ACO) is a probabilistic technique used for solving complex computational problems, such as finding optimal routes in networks. It has been proved to pe...
JGO
2011
13 years 3 months ago
2011
The problem of routing and wavelength assignment (RWA) in wavelength division multiplexing (WDM) optical networks consists in routing a set of lightpaths and assigning a wavelength...
TON
2010
13 years 7 months ago
2010
Abstract-- Security issues and attack management in transparent WDM (Wavelength Division Multiplexing) optical networks has become of prime importance to network operators due to t...
INFORMATICALT
2010
13 years 11 months ago
2010
We address the issue of inapproximability of the wavelength assignment problem in wavelength division multiplexing (WDM) optical networks. We prove that in an n-node WDM optical ne...
OSN
2007
13 years 12 months ago
2007
— We present a review of the various integer linear programming (ILP) formulations that have been proposed for the routing and wavelength assignment problem in WDM optical networ...
JCO
2002
14 years 3 days ago
2002
SONET(SynchronousOpticalNETworks)add-dropmultiplexers(ADMs)arethedominantcostfactor in the WDM(Wavelength Division Multiplexing)/SONET rings. The number of SONET ADMs required by a...
COMCOM
2006
14 years 14 days ago
2006
In optical networks, the traditional routing problem is generally decoupled into two subproblems, the route selection and the wavelength assignment. Usual RWA (Routing and Wavelen...
ANOR
2006
14 years 15 days ago
2006
We consider the routing and wavelength assignment (RWA) in survivable WDM network. A path protection scheme assumed and two different wavelength assignment methods for protection p...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
—In this paper, we consider the problem of routing and wavelength assignment (RWA) in all-optical networks, where signals propagate in the optical domain (with no electrical rege...
BROADNETS
2006
IEEE
14 years 4 months ago
2006
IEEE
Efficient routing and wavelength assignment (RWA) in wavelength-routed all-optical networks is critical for achieving high efficiency over the backbone links. Extensive research ha...