Routing and Wavelength Assignment in WDM Networks with Mixed Line Rates

Nag, Avishek; Tornatore, Massimo; Liu, Meilin; Mukherjee, Biswanath

doi:10.1007/978-1-4614-5671-1_4

Cited by 2 publications

(3 citation statements)

References 39 publications

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“…A typical scenario is to have different lightpaths with bit rates of 10, 40 or 100 Gbps depending on user requirements [65].…”

Section: Mixed-line-rate Network Handling Ad-hoc Lightpath Demandsmentioning

confidence: 99%

“…This can be readily extended to mixed-line-rate networks. For mixed-line-rate networks, different line rates have different optical reaches, based on factors like launch power, modulation format, dispersion map [65]. Regenerators for a particular line rate can only handle that line rate, so that different regenerators have to be installed to support different line rates [65].…”

Section: Rpp For Mixed-line-rate Networkmentioning

confidence: 99%

See 1 more Smart Citation

Optimal regenerator placement in translucent optical networks

Rahman

Bandyopadhyay

Aneja

2015

Optical Switching and Networking

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“…A typical scenario is to have different lightpaths with bit rates of 10, 40 or 100 Gbps depending on user requirements [65].…”

Section: Mixed-line-rate Network Handling Ad-hoc Lightpath Demandsmentioning

confidence: 99%

Section: Rpp For Mixed-line-rate Networkmentioning

confidence: 99%

Optimal regenerator placement in translucent optical networks

Rahman

Bandyopadhyay

Aneja

2015

Optical Switching and Networking

View full text Add to dashboard Cite

“…For example, in [14], modeling of 100-Gb/s transmission is reported including a Gaussian approximation to compute the bit-error rate (BER) of quadrature phaseshift keying (QPSK) signals. Other relevant recent studies include [15][16][17][18][19]. Specific focus on filtering cascade effects is provided in [20], where the propagation through multiple wavelength-selective switches (WSS) for a fixed grid (i.e., 50-GHz spacing) is carefully evaluated through experiments and numerical simulations.…”

Section: Related Workmentioning

confidence: 99%

Superfilter Technique in SDN-Controlled Elastic Optical Networks [Invited]

Paolucci¹,

Cugini

Fresi³

et al. 2014

J. Opt. Commun. Netw.

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In flexigrid elastic optical networks, filtering cascade effects strongly affect the overall transmission performance. To avoid these detrimental impairments, each lightpath is typically configured, in an independent way, to encompass additional spectrum resources. Thus, the flat central region of the traversed filters are exploited and their transition region around the cutoff frequencies is avoided. However, handling lightpaths independently leads to less efficient spectrum utilization. In this study, we propose a novel technique, called superfilters, which enables different lightpaths, with different source-destination pairs, to coexist within the same flat region of a single filter configuration. That is, the technique consists of a pathcomputation strategy that applies differentiated configurations of lightpath traversed filters, which are decoupled from head-end lightpath configurations. Simulative transmission results are provided to assess the benefits of the proposed technique. Then, an experimental implementation is presented, including a software-defined networking implementation successfully applied to a flexigrid network testbed.

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Routing and Wavelength Assignment in WDM Networks with Mixed Line Rates

Cited by 2 publications

References 39 publications

Optimal regenerator placement in translucent optical networks

Optimal regenerator placement in translucent optical networks

Superfilter Technique in SDN-Controlled Elastic Optical Networks [Invited]

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