Vol. 36,  No. 9, pp. 1039-1048, Sep.  2011


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  Abstract

Carrier Ethernet, which extends the traditional Ethernet into backbone networks, has drawn a lot of attention. The algorithm based on constructing the mixed topology and performing link stretching, MT/s, has been proposed for designing cost-efficient Carrier Ethernet in optical network with multi-line-rate. However, the MT/s algorithm has high blocking ratio because the wavelength capacity is fully allocated without considering the load balance of network. In this paper, we propose an efficient mixed topology configuration (EMTC) algorithm by modifying MT/s algorithm. In order to reduce blocking ratio, we adapt a threshold for each link to restrict the link utilization so that traffic load can be distributed over whole network. We also apply the EMTC algorithm into optical hybrid switched network to evaluate the availability of our algorithm for different applications. The performance of the EMTC algorithm is compared with that of MT/s algorithm through OPNET simulation. The simulation results show that our algorithm achieve lower blocking ratio than the MT/s algorithm. Moreover, in hybrid switched network, our algorithm performs better than MT/s algorithm in terms of packet loss ratio and end-to-end delay.

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  Cite this article

[IEEE Style]

B. Li, W. Yang, Y. Kim, "," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 1039-1048, 2011. DOI: .

[ACM Style]

BingBing Li, Wonhyuk Yang, and Young-Chon Kim. 2011. . The Journal of Korean Institute of Communications and Information Sciences, 36, 9, (2011), 1039-1048. DOI: .

[KICS Style]

BingBing Li, Wonhyuk Yang, Young-Chon Kim, "," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 1039-1048, 9. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880