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Design and Implementation of a Simulator for the Performance Simulation of a Large-Scale Network Using OPNET  

Park, Jeong-Sook (한국전자통신연구원 정보보호연구부 무선보안응용연구팀)
Jeon, Yong-Hee (대구가톨릭대학교 컴퓨터정보통신공학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.3B, 2009 , pp. 274-287 More about this Journal
Abstract
In the Internet environment in which best-effort services are provided, we need to guarantee end-to-end performance rather than hop performance to provide services with a variety of QoS(Quality of Service) requirements. The end-to-end performance is affected by many factors along the path of traffic flow. Most existing simulation studies are concentrated on a single node or a few nodes. We need much different approach considering the simulation execution time to simulate a large-scale network. In this paper, we derive requirements and present methodologies for the implementation of the simulator to simulate it. Then, we design and implement our simulator using OPNET. Performance evaluation is carried out using the simulator for large-scale KII (National Information Infrastructure in Korea). We use a self-similar traffic model and present some results on the end-to-end performance metric for the networks.
Keywords
자기유사 트래픽;대규모 망 성능 평가;모의실험;트래픽 모델링;
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