Cell Marking and Priority Control Considering User Level Priority in ATM Network 


Vol. 1,  No. 4, pp. 490-501, Nov.  1994
10.3745/KIPSTE.1994.1.4.490


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  Abstract

In this study the problems of cell marking method used in the field of ATM network traffic control are presented. Also an extended cell marking method considering the user level priority is proposed. The conventional traffic monitoring schemes set the CLP bit of a cell to 1 only under the circumstance of the violation of traffic contract. It causes that the number of low level cells increases and the levels of cells are lowered regardless of the user level priority. The three level priority control method combining FCI bit with CLP bit has also been proposed. It divides CLP=0 cells into two levels. Consequently, the proposed method preserves more cells in high level than the conventional one and the real loss of high level cells can be reduced. The performance of the proposed scheme has also been analyzed by the PBS (partial buffer sharing) with two thresholds for the proposed three levels. The results shows that the PBS with two thresholds can give more efficient control than the scheme with no priority, or the PBS with one threshold.

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[IEEE Style]

O. C. Sei and K. T. Yun, "Cell Marking and Priority Control Considering User Level Priority in ATM Network," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 1, no. 4, pp. 490-501, 1994. DOI: 10.3745/KIPSTE.1994.1.4.490.

[ACM Style]

Oh Chang Sei and Kim Tai Yun. 1994. Cell Marking and Priority Control Considering User Level Priority in ATM Network. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 1, 4, (1994), 490-501. DOI: 10.3745/KIPSTE.1994.1.4.490.

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