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Performance Analysis of IPACT MAC Protocol for Gigabit Ethernet-PON  

Shin Ji hye (충남대학교 정보통신공학과 데이터통신실)
Lee Jae yong (충남대학교 정보통신공학과 데이터통신실)
Kim Byung chul (충남대학교 정보통신공학과 데이터통신실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.30, no.3B, 2005 , pp. 114-129 More about this Journal
Abstract
In this paper, we examine Interleaved Polling with Adaptive Cycle Time (IPACT) algorithm which was proposed to control upstream traffic for Gigabit Ethernet-PONs, and we analyze the performance of the gated service and the limited service of the IPACT mathematically. For the mathematical performance analysis, we model IPACT algorithm as a polling system and use mean-value analysis. We divide arrival rate λ value into three regions and analyze each region accordingly. We obtain average packet delay, average queue size and average cycle time of both the gated and the limited service. We compare analytical results with simulation to verify the accuracy of the mathematical analysis. Upon now, simulation analysis have been used to evaluate the performance of EPONs, which require much time sud effort. Mathematical analysis can be widely used in the design of EPON systems since system designers can obtain various performance results rapidly.
Keywords
Ethernet-PON; mean value analysis; MAC protocol; gated service; limited service;
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