NDLI: Hierarchical design of WDM optical networks for ATM transport

Content Provider	IEEE Xplore Digital Library
Author	Jagannath, S. Bala, K. Mihail, M.
Copyright Year	1995
Description	Author affiliation: Dept. of Electr. Eng., Columbia Univ., New York, NY, USA (Jagannath, S.)
Abstract	A design methodology, a scheme for growth and an embedding algorithm, for building very large ATM networks over a wavelength-routed optical network layer are proposed. The overall design is multi-tiered and at each tier-subnetwork and internetwork-the WDM layer is acyclic, i.e., each and every optical path is terminated by a transmitter receiver pair. This prevents optical amplifier noise from recirculating in unterminated optical cycles. The subnetworks and internetwork of the ATM layer are set up based on "two-sided shuffle-exchange" type networks. In particular, they are generalized De Bruijn and generalized Kautz networks. These networks are almost optimal in terms of the diameter and they exist for any network size. We show that by appropriately sizing the ATM switches, very large average throughputs per user, equal to the peak rate (155 Mbps), are achievable. We also suggest a way to engineer the network so as to enable growth without changes at the optical layer. The network is designed so that users can be easily added, by adding more ports to the ATM switches at the ATM layer. This method does not require any rewiring of existing connections and the addition of users does not have any adverse impact on the average throughput per user. Finally, an optimal embedding algorithm is developed that achieves the De Bruijn and Kautz connectivity on a WDM network using the minimum number of wavelength routers and optimal fiber connections.
Starting Page	2188
Ending Page	2194
File Size	831009
Page Count	7
File Format	PDF
ISBN	0780325095
DOI	10.1109/GLOCOM.1995.502791
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-14
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical design Wavelength division multiplexing WDM networks Optical fiber networks Asynchronous transfer mode Optical receivers Optical transmitters Optical noise Stimulated emission Optical switches
Content Type	Text
Resource Type	Article

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