Wavelength requirements for multicasting in all-optical networks

Multicasting in a network is needed for a number of applications where a session requires connectivity between more than two participants. In this paper, we consider a wavelength-division multiplexing (WDM)-based all-optical network. We derive asymptotic upper bounds on the number of wavelengths nee...

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Bibliographic Details
Published in:IEEE/ACM transactions on networking 1999-06, Vol.7 (3), p.414-424
Main Author: Pankaj, R.K.
Format: Article
Language:English
Subjects:
All-optical networks
Graph theory
Intelligent networks
Optical packet switching
Scalability
Spine
Telecommunication traffic
Upper bound
Wavelength division multiplexing
WDM networks
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Summary:Multicasting in a network is needed for a number of applications where a session requires connectivity between more than two participants. In this paper, we consider a wavelength-division multiplexing (WDM)-based all-optical network. We derive asymptotic upper bounds on the number of wavelengths needed to support multicasting capability in an all-optical network. The number of wavelengths in a WDM network continues to be a major constraint. The results derived here should be seen as the limit on scalability of all-optical networks that support multicasting. The derivation of the upper bound uses some properties of expander graphs.
ISSN:1063-6692
1558-2566
DOI:10.1109/90.779211