NDLI: Cost-effective heuristics for planning GMPLS transport networks

Content Provider	IEEE Xplore Digital Library
Author	Naas, Nabil Mouftah, H. T.
Copyright Year	2007
Description	Author affiliation: School of Information Technology and Engineering University of Ottawa, Canada (Naas, Nabil; Mouftah, H. T.)
Abstract	With the explosive traffic growth of WDM-based transport networks, the development of GMPLS (or multi-granularity)-based transport networks becomes essential to cope with the network scalability problems. Much work has been devoted to the development of Multi-Granular Crossconnect (MG-XC) architectures and planning (or dimensioning) methods. Extending these efforts here, we are defining a novel problem of planning GMPLS-based transport networks by (1) considering the whole traffic hierarchy defined in GMPLS; (2) allowing bifurcation of multi-granularity traffic demands among different physical routes. We will call such a problem the Routing and Multi-Granular Paths Assignment (RMGPA). The objective of the problem is to minimize the total weighted node port count. Due to the computational complexity of the problem, only very-small-sized problems can be solved exactly through Mixed Integer Linear Programming (MILP) optimization. In this paper, we propose novel heuristics that are capable of solving large-sized problems in a reasonable amount of time.
Starting Page	367
Ending Page	374
File Size	360193
Page Count	8
File Format	PDF
ISBN	9781424414321
DOI	10.1109/BROADNETS.2007.4550457
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Telecommunication traffic Bifurcation Optical fiber networks Wavelength routing Optical crosstalk Time division multiplexing WDM networks Optical network units Technology planning Information technology Heuristic optimization GMPLS WDM Transport network planning Multi-granular crossconnect RMGPA problem
Content Type	Text
Resource Type	Article

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