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Transparency in optical networks

: Foisel, H.-M.; Strebel, B.; Vathke, J.

Faulkner, D.W.; Harmer, A.L.:
European Conference on Networks and Optical Communications 1997. Proceedings. Vol.3. Photonic networks, optical technology and infrastructure
Amsterdam: IOS Press, 1997
ISBN: 90-5199-341-2
European Conference on Networks and Optical Communications (NOC) <1997, Antwerpen>
Conference Paper
Fraunhofer HHI ()
optical fibre networks; optical interconnections; photonic switching systems; telecommunication network management; optical networks; photonic networks; crossconnect designs; transparency constraint problems; transparent infrastructure; techno-economic assessment; transparent optical paths; transport networks; network management systems

This paper deals with some aspects of optical networking technology which are expected to play a key role in future photonic networks. The guiding crossconnect designs and underlying generic architectures are addressed, with special emphasis on transparency constraint problems. The results indicate that there are many different optical approaches, but due to their complexity and the types of specific components used, most of them somehow fail to meet the stringent requirements of a future transparent infrastructure. Because the concept transparency is not used uniformly in the technical context, a method is also presented supporting the techno-economic assessment of transparent optical paths in transport networks. A formalised graphic description is used here which can especially be applied to network management systems.