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오차 역전 기법을 이용한 인터넷 트래픽의 분석 및 예측
이경묵,이희춘,정영준 강원대학교 정보통신연구소 2004 정보통신논문지 Vol.8 No.-
An interest in traffic analysis has been increasing to evaluate the internet performance and stability between ISPs(Internet service Providers) In general, two parameters such as delay and packet loss are used for performance analysis Existing studies only discuss traffic measurement and simple performance test to check if measured values exceed their thresholds In this paper, we present a BP(Back Propagation) based evaluation scheme for performance estimation. The BP is a neural network, which can estimate the target performance continuously applying supervised learning patterns We have collected real data by measuring delay and loss over a commercial ISP line last two months and performed the BP computation using these data Then we show that the estimation mapping formula obtained between loss and delay can be used for performance evaluation metrics.
박경묵 진주교육대학교 1999 論文集 Vol.41 No.-
Some improvements in education can be brought about by spending more money, by building better schools, and by introducing new curriculum, new standards, or new equipment. But the really important changes will come about only as faculty members change. But, the in-service education of new faculty members of university of education should reflect new and diverse needs of members toward its operation, and changes inside/outside of educational society, such as the development of educational knowledge and skills, the introduction of autonomy system in university governance, and the re-organization of curricular, etc. Through a comprehensive analysis of the problems, needs, and situational changes related to in-service education of new faculty members of university of education, this study is to search for desirable policy measures for in-service education of new faculty members of university of education. Specific research problems for this study were as follows: 1) What is the theoretical basis of in-service education of new faculty members of university? 2) What are the current status and problems of in-service education of new faculty members of university? 3) What are the development tendencies of in-service education of new faculty members of university? 4) What are the desirable policy measures of our in-service education of new faculty members of university? The research methods used in this study were analyzing and reviewing literature related to in-service education of new faculty members of university, and suggest a in-service education program for new faculty members. With reward to effective performing the policy measures and program above, several recommendations were presented. 1) Each university, and there in-service education of new faculty members institute should establish long-term and short-term plans for the expansion of in-service education opportunity for their new faculty members. 2) The accreditation boards of in-service education programs for new faculty members of university should be organized and operated effectively at the level of each university, local and nationwide. 3) For discussing and exchanging useful information/experiences over in-service education of new faculty members of university, special in-service education conference organization should be organized. 4) The laws related to in-service education of new faculty members should be revised on the above policy measures.