Title :
Dimensioning of survivable WDM networks
Author :
Van Caenegem, Bart ; Van Parys, Wim ; De Turck, Filip ; Demeester, Piet M.
Author_Institution :
Dept. of Inf. Technol., Univ. of Gent, Belgium
fDate :
9/1/1998 12:00:00 AM
Abstract :
In this paper routing, planning of working capacity, rerouting, and planning of spare capacity in wavelength division multiplexing (WDM) networks are investigated. Integer linear programming (ILP) and simulated annealing (SA) are used as solution techniques. A complex cost model is presented. The spare capacity assignment is optimized with respect to three restoration strategies. The benefit of wavelength conversion, the choice of the fiber line system, and the influence of cost parameter values are discussed, with respect to the different restoration strategies and solution techniques. Wavelength conversion is found to be of limited importance, whereas tunability at the end points of the connections has substantial benefits
Keywords :
integer programming; laser tuning; linear programming; optical fibre networks; planning; simulated annealing; telecommunication network reliability; telecommunication network routing; wavelength division multiplexing; complex cost model; cost parameter values; dimensioning; fiber line system; integer linear programming; planning; rerouting; restoration strategies; routing; simulated annealing; spare capacity; survivable WDM networks; tunability; wavelength conversion; wavelength division multiplexing networks; working capacity; Costs; High speed optical techniques; Optical fiber devices; Optical fiber networks; Optical fibers; Optical network units; Optical wavelength conversion; Transponders; WDM networks; Wavelength division multiplexing;
Journal_Title :
Selected Areas in Communications, IEEE Journal on
