QoS Supporting Scheme Considering Service-Differentiation Ratio in Optical Burst Switching Networks 


Vol. 27,  No. 12, pp. 1197-1206, Dec.  2002


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  Abstract

Recently, the research on the construction of optical Intemet backbone networks using WDM has been actively progressed. In this paper, we propose the offset based service-differentiation scheme in optical burst switching (OBS) networks. We classify the services into two classes; high class and low class. The proposed scheme decides the offset time of high class so as to satisfy the required burst loss rate (BLR) of services according to the service-differentiation ratio (SDR). The SDR may he set depending on the environment of OBS network and user’ s requirements, our scheme decides the BLR of high class by using the required SDR and conservation law. Finally, we use the offset time decision (OTD) algorithm to determine the offset time of high class. The proposed scheme is evaluated through simulation. The result of simulation is compared with that of analysis to verify the proposed scheme.

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  Cite this article

[IEEE Style]

W. So and Y. Kim, "QoS Supporting Scheme Considering Service-Differentiation Ratio in Optical Burst Switching Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1197-1206, 2002. DOI: .

[ACM Style]

Won-ho So and Young-chon Kim. 2002. QoS Supporting Scheme Considering Service-Differentiation Ratio in Optical Burst Switching Networks. The Journal of Korean Institute of Communications and Information Sciences, 27, 12, (2002), 1197-1206. DOI: .

[KICS Style]

Won-ho So and Young-chon Kim, "QoS Supporting Scheme Considering Service-Differentiation Ratio in Optical Burst Switching Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1197-1206, 12. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880