NDLI: CAPEX/OPEX effective optical wide area network design

Content Provider	Springer Nature Link
Author	Jarray, A. Jaumard, B. Houle, A. C.
Copyright Year	2010
Abstract	The focus of this paper is on the design of the so-called Optical Wide Area Networks (owans), i.e., optical networks that cover broad areas. Our objective is to investigate efficient owan network design, where demand provisioning takes full advantage of the nodal switching equipment and of the network interface platforms under asymmetric traffic. It involves granting all traffic requests while minimizing the network capital and operational expenses, throughout an optimal dimensioning of the nodal equipment, i.e., minimizing the number and the location of the network nodal equipment. The originality of our work is in the forethought and the investigation of these issues.We establish a mathematical model which makes use of large scale optimization tools and propose a column generation algorithm coupled with a rounding off heuristic in order to solve it efficiently. In our experiments, with different network and traffic instances, we show that a careful dimensioning and location of the nodal equipment can save up to 35% of capital expenses, and even more sometimes.
Starting Page	329
Ending Page	344
Page Count	16
File Format	PDF
ISSN	10184864
Journal	Telecommunication Systems
Volume Number	49
Issue Number	3
e-ISSN	15729451
Language	English
Publisher	Springer US
Publisher Date	2010-08-03
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical Wide Area Network (owan) Network design MultiService Provisioning Platform (mspp) Photonic Cross-Connect (pxc) Column generation Translucent network Transparent network Computer Communication Networks Business Information Systems Probability Theory and Stochastic Processes Artificial Intelligence (incl. Robotics)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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