On optical burst switching and self-similar traffic

Ge, Andrew; Callegati, Franco; Tamil, Lakshman S.

doi:10.1109/4234.831037

Cited by 286 publications

(181 citation statements)

References 5 publications

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“…In real optical infrastructures, the lengths of ON periods are proportional to the burst size, which depends on the burst aggregation mechanism [27], [28]. These bursts have a maximum size and in this context where resources are scarce, the maximum burst size will in general be reached.…”

Section: Numerical Ilustrationsmentioning

confidence: 99%

Blocking Evaluation and Wavelength Dimensioning of Dynamic WDM Networks Without Wavelength Conversion

Jara¹,

Vallejos

Rubino

2017

J. Opt. Commun. Netw.

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Section: Numerical Ilustrationsmentioning

confidence: 99%

Blocking Evaluation and Wavelength Dimensioning of Dynamic WDM Networks Without Wavelength Conversion

Jara¹,

Vallejos

Rubino

2017

J. Opt. Commun. Netw.

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“…In OBS-JET, corresponds to , where is the mean burst aggregation time (dependent on the burst aggregation mechanism, for instance, used in [41]- [44]) and the offset time. For the aggregation mechanism considered here (fixed-size bursts),…”

Section: ) Network Throughputmentioning

confidence: 99%

Next-Generation 100-Gigabit Metro Ethernet (100 GbME) Using Multiwavelength Optical Rings

Zapata

Duser

Spencer

et al. 2004

J. Lightwave Technol.

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Abstract-This paper investigates the challenges for developing the current local area network (LAN)-based Ethernet protocol into a technology for future network architectures that is capable of satisfying dynamic traffic demands with hard service guarantees using high-bit-rate channels (80. . .100 Gb/s). The objective is to combine high-speed optical transmission and physical interfaces (PHY) with a medium access control (MAC) protocol, designed to meet the service guarantees in future metropolitan-area networks (MANs). Ethernet is an ideal candidate for the extension into the MAN as it allows seamless compatibility with the majority of existing LANs. The proposed extension of the MAC protocol focuses on backward compatibility as well as on the exploitation of the wavelength domain for routing of variable traffic demands. The high bit rates envisaged will easily exhaust the capacity of a single optical fiber in the band and will require network algorithms optimizing the reuse of wavelength resources. To investigate this, four different static and dynamic optical architectures were studied that potentially offer advantages over current link-based designs. Both analytical and numerical modeling techniques were applied to quantify and compare the network performance for all architectures in terms of achievable throughput, delay, and the number of required wavelengths and to investigate the impact of nonuniform traffic demands. The results show that significant resource savings can be achieved by using end-to-end dynamic lightpath allocation, but at the expense of high delay. IndexTerms-Dynamic optical networks, Ethernet, metropolitan-area networks (MANs), optical burst switching (OBS), ring networks, wavelength-routed optical networks. Manuscript

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“…Precisely, a number of burstification algorithms have been proposed and analyzed [1], [2], [3], [4], [5], [6]. In [5], three categories are identified: i) timebased algorithms, ii) burst-length-based algorithms and mixed time/burst-length algorithms.…”

Section: Introduction and Problem Statementmentioning

confidence: 99%

Delay-throughput curves for timer-based OBS burstifiers with light load

Izal

Aracil

Morató

et al. 2006

J. Lightwave Technol.

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El acceso a la versión del editor puede requerir la suscripción del recurso Access to the published version may require subscription Abstract-The OBS burstifier delay-throughput curves are analyzed in this paper. The burstifier incorporates a timer-based scheme with minimum burst size, i. e., bursts are subject to padding in light-load scenarios. Precisely, due to this padding effect, the burstifier normalized throughput may not be equal to unity. Conversely, in a high-load scenario, padding will seldom occur. For the interesting light-load scenario, the throughputdelay curves are derived and the obtained results are assessed against those obtained by trace-driven simulation. The influence of long-range dependence and instantaneous variability is analyzed to conclude that there is a threshold timeout value that makes the throughput curves flatten out to unity. This result motivates the introduction of adaptive burstification algorithms, that provide a timeout value that minimizes delay, yet keeping the throughput very close to unity. The dependence of such optimum timeout value with traffic long-range dependence and instantaneous burstiness is discussed. Finally, three different adaptive timeout algorithms are proposed, that tradeoff complexity versus accuracy.

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On optical burst switching and self-similar traffic

Cited by 286 publications

References 5 publications

Blocking Evaluation and Wavelength Dimensioning of Dynamic WDM Networks Without Wavelength Conversion

Blocking Evaluation and Wavelength Dimensioning of Dynamic WDM Networks Without Wavelength Conversion

Next-Generation 100-Gigabit Metro Ethernet (100 GbME) Using Multiwavelength Optical Rings

Delay-throughput curves for timer-based OBS burstifiers with light load

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