Performance comparisons of RIO and RIO-DC for Qos guarantee of the Assured Service in Differentiated Services 


Vol. 27,  No. 4, pp. 342-352, Apr.  2002


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  Abstract

In this paper, we compare the performances of RIO and RIO-DC buffer management schemes for DiffServ AF PHB standardized in IETF. For the comparison, we relatively differentiate maximum delay for each Assured Service subclass in Differentiated Services by allocating bandwidth to each subclass differently. In addition, we set the values of RIO and RIO-DC parameters considering the buffer size determined by the network topology and the ratio of bandwidth allocated to each subclass. In this simulation environment, the performances of RIO and RIO-DC schemes are analyzed focusing on the throughput of the In-profile traffic, the link utilization and the fairness. Simulation results show that the performance of RIO-DC scheme is comparable to that of RIO scheme with regard to the throughput of the In-profile traffic and the link utilization. However, under the simulation condition RIO-DC scheme improves the fairness between flows much better than RIO scheme.

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  Cite this article

[IEEE Style]

K. Hur, D. Shin, S. Lee, D. Eom, K. H. Tchah, "Performance comparisons of RIO and RIO-DC for Qos guarantee of the Assured Service in Differentiated Services," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 4, pp. 342-352, 2002. DOI: .

[ACM Style]

Kyeong Hur, Dongbeoom Shin, Sangwoo Lee, Doo-Seop Eom, and Kyun Hyon Tchah. 2002. Performance comparisons of RIO and RIO-DC for Qos guarantee of the Assured Service in Differentiated Services. The Journal of Korean Institute of Communications and Information Sciences, 27, 4, (2002), 342-352. DOI: .

[KICS Style]

Kyeong Hur, Dongbeoom Shin, Sangwoo Lee, Doo-Seop Eom, Kyun Hyon Tchah, "Performance comparisons of RIO and RIO-DC for Qos guarantee of the Assured Service in Differentiated Services," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 4, pp. 342-352, 4. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880