Evolution of Terrestrial Optical System and Core Network Architecture

Optical systems and technologies have been radically changing the telecommunication networks for past 15 years; today wavelength division multiplexing (WDM) technology, optical amplifiers, and simple optical switching elements like optical add-drop multiplexers (OADMs) are used in the backbone netwo...

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Bibliographic Details
Published in:Proceedings of the IEEE 2006-05, Vol.94 (5), p.869-891
Main Authors: Gladisch, A., Weiershausen, W., Westphal, F.-J., Braun, R.-P., Breuer, D., Ehrhardt, A., Foisel, H.-M., Jaeger, M., Leppla, R., Schneiders, M., Vorbeck, S.
Format: Article
Language:English
Subjects:
Architecture
Bandwidth
Computer networks
Design engineering
Fiber optic networks
Internet
IP networks
network architecture
Networks
Optical add-drop multiplexers
Optical amplifiers
Optical communication
optical fiber communication
Optical fiber networks
optical networks
reconfigurable architectures
Semiconductor optical amplifiers
Spine
Stimulated emission
Switching theory
Telecommunication switching
Wavelength division multiplexing
Web and internet services
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Summary:Optical systems and technologies have been radically changing the telecommunication networks for past 15 years; today wavelength division multiplexing (WDM) technology, optical amplifiers, and simple optical switching elements like optical add-drop multiplexers (OADMs) are used in the backbone networks of all operators worldwide. Optical systems nowadays provide the basis for cost-effective transmission of large amounts of bandwidth over the Internet, and will enable its future growth and the spreading of new applications and services. This paper summarizes the main trends in optical networking and investigates potential future application areas. Optical system technology has become so pervasive in network design that it needs to be considered in the context of provisioning new applications and services. Therefore, the analysis is not limited to the aspects of physical transmission, but also takes into account recent developments in integrated network design as well as network control and management. The following sections describe the key functionalities of future optical network architectures, and the key findings of the theoretical analysis are supported by the results of a field trial of advanced transmission technology
ISSN:0018-9219
1558-2256
DOI:10.1109/JPROC.2006.873430