Wavelength allocation algorithms in optical buffers

Callegati, Franco; Cerroni, Walter

doi:10.1109/icc.2001.936990

Cited by 32 publications

(49 citation statements)

References 11 publications

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“…The results regarding wavelength allocation presented in Fig. 19 refer to the algorithms studied in [33], applied to the DAVID scenario. Without loss of generality the average packet (train of slots) length is assumed to be unit and the slot is set to 0.2 (on average five slots per packet).…”

Section: Traffic and Performance Aspectsmentioning

confidence: 99%

The european ist project david: a viable approach toward optical packet switching

Dittmann

Develder

Chiaroni³

et al. 2003

IEEE J. Select. Areas Commun.

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190

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Section: Traffic and Performance Aspectsmentioning

confidence: 99%

The european ist project david: a viable approach toward optical packet switching

Dittmann

Develder

Chiaroni³

et al. 2003

IEEE J. Select. Areas Commun.

Self Cite

190

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“…We have assumed that all wavelengths are accessible to all cells. The selection of the wavelength and the fiber delay line becomes more complex for buffering of the packets with variable length, as discussed in [6].…”

Section: Node Structurementioning

confidence: 99%

Approaches to Performance Analysis of Packed Switched Optical Ring

Lackovic¹

2010

Journal of Electrical Engineering

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An optical ring network employing optical packet switching is investigated. An analytical approach allowing the computation of end-to-end cell loss ratio (CLR) is proposed. The CLR dependence on topological parameters (number of stations), network parameters (number of wavelengths), and node structure (buffer capacity) is computed assuming a uniform traffic load. A discrete event simulation confirms the analytical results.

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“…scheduling algorithms without void filling [15][16][17]20] and scheduling algorithms with void filling [16][17][18][19][20] .…”

Section: ⅳ Proposed Algorithm For a Limited Number Of Twcs And Intermentioning

confidence: 99%

“…For this reason, efforts are required to increase buffer capacity in an optical packet switch with a limited number of FDLs [7][8][9][10][11][12][13][14] . For asynchronous and variable-length packets, scheduling algorithms without void filling as well as those with void filling can be used to allocate incoming packets in each output channel using an FDL buffer [15][16][17][18][19][20] .…”

Section: ⅰ Introductionmentioning

confidence: 99%

Deduction of TWCs and Internal Wavelengths Needed for a Design of Asynchronous OPS System with Shared or Output FDL Buffer

Lim¹

2014

The Journal of Korean Institute of Communications and Informati

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Optical packet switching (OPS) is being considered as one of the switching technologies for a future optical internet. For contention resolution in an optical packet switching (OPS) system, the wavelength dimension is generally used in combination with a fiber delay line (FDL) buffer. In this article, we propose a method to reduce the number of tunable wavelength converters (TWCs) by sharing TWCs for a cost-effective design of an asynchronous OPS system with a shared or an output FDL buffer. Asynchronous and variable-length packets are considered in the OPS system design. To investigate the number of TWCs needed for the OPS system, an algorithm is proposed, which searches for an available TWC and an unused internal wavelength, as well as an outgoing channel. This algorithm is applied to an OPS system with a shared or an output FDL buffer. Also, the number of internal wavelengths (i.e., the conversion range of the TWC) needed for an asynchronous OPS system is presented for cost reduction of the OPS system.

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Wavelength allocation algorithms in optical buffers

Cited by 32 publications

References 11 publications

The european ist project david: a viable approach toward optical packet switching

The european ist project david: a viable approach toward optical packet switching

Approaches to Performance Analysis of Packed Switched Optical Ring

Deduction of TWCs and Internal Wavelengths Needed for a Design of Asynchronous OPS System with Shared or Output FDL Buffer

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