DESIGN OF NEW MODELS FOR TIGHT UPPER BOUND APPROXIMATION OF CELL LOSS RATIO IN
ATM NETWORKS

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HAGHIGHAT A.T.; FAEZ K.; KHORSANDI S.; DEHGHAN M.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE) Year:2005 | Volume:4 | Issue:1 Page(s): 3-10

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Information Journal Paper

Title

DESIGN OF NEW MODELS FOR TIGHT UPPER BOUND APPROXIMATION OF CELL LOSS RATIO IN ATM NETWORKS

Author(s)

HAGHIGHAT A.T. | FAEZ K. | KHORSANDI S. | DEHGHAN M. | Issue Writer Certificate

Keywords

ATM

QOS

CLR APPROXIMATION

Abstract

ATM as a high-speed cell switching technology can support multiple classes of traffic with different quality of service (QoS) requirements and diverse traffic characteristics. A main QOS requirement is the cell loss ratio (CLR). We need an expression for the CLR calculation in ATM networks where the statistical multiplexing is an important factor. The existing analytical methods for the CLR estimation are mostly based on fluid-flow and stationary approximation models. In this paper, we first evaluate these methods against the results obtained through simulation. The simulation is done at the cell level that provides very accurate results with buffer size as a variant. It is shown that the CLR estimation based on existing analytical models are widely overestimated. We have, then, proposed two new approaches that yield significant improvement in the accuracy of the CLR APPROXIMATION. First, we have found global correction coefficients to compensate for the error of the current analytical methods. Second, we have proposed a new upper bound based on exact modeling of system behavior in the finite buffer case. This is a novel approach that combines fluid-flow and stationary approximation models and outperforms all the previous ones. The accuracy of the proposed model is verified by simulation.

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APA: Copy

HAGHIGHAT, A.T., FAEZ, K., KHORSANDI, S., & DEHGHAN, M.. (2005). DESIGN OF NEW MODELS FOR TIGHT UPPER BOUND APPROXIMATION OF CELL LOSS RATIO IN ATM NETWORKS. IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE), 4(1), 3-10. SID. https://sid.ir/paper/283360/en

Vancouver: Copy

HAGHIGHAT A.T., FAEZ K., KHORSANDI S., DEHGHAN M.. DESIGN OF NEW MODELS FOR TIGHT UPPER BOUND APPROXIMATION OF CELL LOSS RATIO IN ATM NETWORKS. IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE)[Internet]. 2005;4(1):3-10. Available from: https://sid.ir/paper/283360/en

IEEE: Copy

A.T. HAGHIGHAT, K. FAEZ, S. KHORSANDI, and M. DEHGHAN, “DESIGN OF NEW MODELS FOR TIGHT UPPER BOUND APPROXIMATION OF CELL LOSS RATIO IN ATM NETWORKS,” IRANIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING (IJECE), vol. 4, no. 1, pp. 3–10, 2005, [Online]. Available: https://sid.ir/paper/283360/en

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