NDLI: Connection provisioning in QoT-guaranteed distributed all-optical networks

Content Provider	IEEE Xplore Digital Library
Author	Jun He, Brandt-Pearce, Maite Subramaniam, Suresh
Copyright Year	2007
Description	Author affiliation: Charles L. Brown Department of Electrical and Computer Engineering, University of Virginia, Charlottesville, 22904, USA (Jun He,; Brandt-Pearce, Maite) \|\| Department of Electrical and Computer Engineering, George Washington University, 20052, USA (Subramaniam, Suresh)
Abstract	As an optical signal propagates along a lightpath to its destination in wavelength-routed optical networks (WRONs), the quality of transmission (QoT) is degraded by transmission impairments such as crosstalk and amplified spontaneous emission noise. Consequently, the signal’s bit error rate at the destination’s receiver can become unacceptably high. Recently, many BER-aware connection provisioning algorithms have been proposed that incorporate physical layer impairments in terms of increased blocking rate from the BER constraint. However, they have a high computational complexity compared to traditional connection provisioning schemes because of the complexity of BER estimation. The delay involved in the computation greatly affects the performance in distributed networks because the latency worsens the contention and makes instantaneous network status impossible to obtain. In this paper, distributed connection provisioning schemes are compared using two BER estimation procedures and several wavelength assignment algorithms. Simulation results show the effects of delay in connection provisioning and measure the performance in terms of blocking probability.
Starting Page	820
Ending Page	827
File Size	366060
Page Count	8
File Format	PDF
ISBN	9781424414321
DOI	10.1109/BROADNETS.2007.4550518
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	All-optical networks Bit error rate Optical fiber networks Optical noise Optical receivers Stimulated emission Optical crosstalk Optical propagation Degradation Spontaneous emission
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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