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IEEE/ACM TRANSACTIONS ON NETWORKING, VOL. 7, NO. 5, OCTOBER 1999 767 Provisioning Algorithms for WDM Optical Networks
 

Summary: IEEE/ACM TRANSACTIONS ON NETWORKING, VOL. 7, NO. 5, OCTOBER 1999 767
Provisioning Algorithms for WDM Optical Networks
Murat Alanyali, Member, IEEE, and Ender Ayanoglu, Fellow, IEEE
Abstract-- This paper concerns connection provisioning for
optical networks employing wavelength division multiplexing. A
heuristic algorithm is developed and numerically studied for
routing and wavelength assignment of a set of static connection
requests. The algorithm runs much faster than the optimum
solution of this problem. An adaptation of the algorithm is pro-
posed to design restorable networks which can handle a specified
set of failures. The proposed algorithm is based on taking all
failures into consideration simultaneously, and performs better
than developing independent designs for each failure.
I. INTRODUCTION
TRANSPORT networks are WAN's that provide con-
nectivity for aggregated traffic streams. Modern trans-
port networks increasingly employ wavelength division mul-
tiplexing (WDM) technology to utilize the vast transmission
bandwidth of fiber. WDM is based on transmission of data
over separate wavelength channels on each fiber. At the

  

Source: Alanyali, Murat - Department of Electrical and Computer Engineering, Boston University

 

Collections: Engineering