NDLI: Planning of Transport Networks based on Photonic and Electronic Cross-Connection

Content Provider	Springer Nature Link
Author	Ouveysi, Iradj Safaei, Farzad Wirth, Andrew
Copyright Year	2000
Abstract	This paper deals with the problem of dynamic allocation of bandwidth in a hierarchical transport platform comprised of both broadband (optical) and wideband (ATM) crossconnects. The crossconnect platforms will react to fluctuations of traffic on different time scales. The model developed in this paper will take advantage of both multi-service and multi-hour character of traffic profiles and includes off-line and on-line algorithms. The off-line model will generate the configuration of optical bearers and the routing of origin-destination paths in the network for each time interval. The on-line algorithms will adjust the capacity allocated to each path in accordance with the short-term fluctuations of demand to decrease blocking probability and maximize resource utilization. We formulate the problem of designing a minimum cost network for a multi-hour, multi-service traffic profile where the cost is a piecewise linear function of the maximum possible number of optical paths as well as a linear function of the number of ports and of the traffic flow through tandem nodes. The model is a large-scale mixed integer program. Further, we provide a second model to carry out the fine tuning necessary to cater for traffic fluctuations. The alternative versions of the second model are given, including a goal program that optimally matches the network capacity to the varying traffic requirements.
Starting Page	199
Ending Page	208
Page Count	10
File Format	PDF
ISSN	1387974X
Journal	Photonic Network Communications
Volume Number	2
Issue Number	2
e-ISSN	15728188
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2000-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Characterization and Evaluation Materials Computer Communication Networks Electronic and Computer Engineering
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Computer Networks and Communications Electrical and Electronic Engineering Hardware and Architecture Software

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