Optical Packet and Burst Switched Networks Performance for Time-Dependent Video Traffic

Authors

  • Etelmar Santos Jr. Electrical Engineering Department, Militar Institute of Engineering (IME), Rio de Janeiro
  • Rosângela F. Coelho Electrical Engineering Department, Militar Institute of Engineering (IME), Rio de Janeiro

DOI:

https://doi.org/10.14209/jcis.2003.23

Keywords:

Optical packet and burst switching, video traffic modeling, Hurst or scaling estimation

Abstract

In this paper we study the perfonnance of optical packet and burst switched networks (OSN) to suppmt video traffic with scaling characteristics. The optical buffering generally implemented by fiber delay lines (FDLs) is the main challenge to achieve a full-optical switching architecture. For the analysis the MIGIoo and fBm processes are considered to represent the time-dependent video traffic. These stochastic processes are examined in terms of its video traffic scaling (H), heavy-tail distribution (HTD) and autocorrelation (ACF) characterization. We show that with a small number of FDLs (25-50) of 33.92m each and no wavelength conversion an optical packet switch can achieve performance results similm to a burst architecture. Moreover, the jitter values introduced by these FDLs were lower compared to the jitter requirements of the more demanding video traffic. We also demonstrate that the video traffic scaling degree was not affect by the optical packet or burst buffeting solutions. However, the video traffic tail distribution showed to be the clitical aspect to the optical switches dimensioning and thus the future optical switched network performance

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Author Biographies

Etelmar Santos Jr., Electrical Engineering Department, Militar Institute of Engineering (IME), Rio de Janeiro

Etelmar Santos Jr. received his Electrical Engineering degree in 1990. He is currently preparing his MSc degree at the Electrical Engineering Department of the Institute Militar de Engenharia of Rio de Janeiro (IME). Etelmar is also with the brazilian energy company PETROBRAS S.A. since january 2003, working as a equipment engineer. His main interests include traffic engineering and optical switched networks

Rosângela F. Coelho, Electrical Engineering Department, Militar Institute of Engineering (IME), Rio de Janeiro

Ros&ngela Coelho is an associate professor at the Electrical Engineering Department of the Institute Militar de Engenharia of Rio de Janeiro (IME). She received her PhD degree from the Ecole Nationale Superieure des Telecommunications (ENST-Paris) in 1995 and the MSc degree from the Pontifícia Universidade Católica of Rio de Janeiro (PUC-Rio) in 1991 both in Electrical Engineering. She also heads the Optical Network and Systems Laboratory (LaRSO). Her main research interests include traffic modeling, communications systems performance evaluation, optical switched networks and speech processing (speaker recognition). She is the technical chair of the XX Sirnp6sio Brasileiro de Te1ecomunicaões (SBT'03). Prof. Rosftngela also serves as the traffic engineering editor of the IEEE Communications Surveys.

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Published

2017-11-14

How to Cite

Santos Jr., E., & Coelho, R. F. (2017). Optical Packet and Burst Switched Networks Performance for Time-Dependent Video Traffic. Journal of Communication and Information Systems, 18(2). https://doi.org/10.14209/jcis.2003.23

Issue

Vol. 18 No. 2 (2003)

Section

Regular Papers

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Received 2017-11-07
Accepted 2017-11-13
Published 2017-11-14