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      • KCI등재

        보호 스위칭에 의한 경로 설정에 있어서 서비스 보장을 위한 복구 경로의 소비 대역 분석

        이황규,홍석원,Lee, Hwang-Kyu,Hong, Sug-Won 한국정보처리학회 2003 정보처리학회논문지 C : 정보통신,정보보안 Vol.10 No.2

        빠른 복구 시간과 함께 서비스의 보장은 망의 신뢰성을 보장하는데 있어서 주요한 목표이다. 보호 스위칭 방식에 의하여 특정 서비스를 요구하는 세션의 서비스 품질을 보장하는 한 가지 방법은 작업 경로를 설정할 때 작업 경로의 대역을 보장하는 복구 경로를 함께 설정하는 것이다. 작업 경로의 대역을 보장할 수 있는 복구 경로를 설정할 때 다른 작업 경로에 대한 복구 경로의 대역을 서로 공유하면 대역의 소비를 감소시킬 수 있다. 본 논문에서는 보호 스위칭에 의한 복구 경로 설정에 있어서 작업 경로상에 최대로 할당된 링크의 대역을 기반으로 복구 경로의 공유 대역을 결정하는 방안을 설명한다. 그리고 이러한 단순 공유 방안의 문제점과 원인을 지적하고 이것을 실제망에 적용했을 때의 결과를 시뮬레이션을 통해서 보여준다. 그리고 이러한 문제점을 해결하기 위한 방안으로 링크 데이터베이스를 통한 완전 공유를 구현할 수 있는 방안을 제시하고 그 결과를 보여준다. Fast restoration time and service guarantee are the important goals to achieve the network reliability. In the protection switching scheme, one way to guarantee service fro an application session if a network happens to fail is to establish the restoration path that amounts to the same bandwidth of the working path of the session at the same time. When we setup the restoration path, we can reduce the bandwidth consumption by the restoration path if the path can share the bandwidth required by the other paths. This paper explains the methods how to determine the shared bandwidth of the restoration path in the protection switching scheme, given the maximum bandwidth assigned to a link along the working path. We point out that such sharing algorithm can not reduce the bandwidth consumption by the restoration paths in some cases, which contradict the general conception. We explain why this can happen, and show the simulation results in real network topologies to prove our arguments. We explain the reason of the failure of the sharing effect by the simple sharing algorithm. Finally we propose the way of how we can overcome the failure of the sharing effect, using the complete sharing algorithm based on the link database and showing the results.

      • 북한의 경제정책 결정에 관한 연구

        이황규 한국시민윤리학회 1993 한국시민윤리학회보 Vol.5 No.-

        It is very important to recognize North Korea objectively because North Korea is not simply a forein country to us. The achievements in the study of North Korea, which have rapidly expanded in quantity in the South Korean academic world, are estimated low up to now in their quality compared with their quantity. This is largely because the results of the study have not been accumulated systematically due to the Limitation of materials for the North Korea study, and to the variety and difference in its analytic viewpoints. Nevertheless, it is imperative that the North Korea study should not be given up. This study was carried out from above view point. The object of this study is, out of recognition that the fundamental to cause the change of North Korea is its economic system, to analyze the North Korean economic policy making factors and to examine the possibility of change in North Korean. In order for the object of this study to be carried out, (1) the analysis frame of North Korean economic policy has been provided, (2) the variables that have effect on North Korean economic policy making have been set up, and the effect of these variables on the change in North Korean economic policy has been examined, (3) the North Korean economic policy making process has been analyzed, and its features and its possibility of change have been examined. As the result of this study it has been concluded that the typical feature of the North Korean economic system is at once a mobilization economic system closely related to ideo- logy and a closed economic system based on internally-pointed development strategy. But the North Korean economic policy has considerably changed compared with its other fields, according to the achievement degress of its planned economic goal, and to the necessity both internal and external. The trend is expected to continue. Aud this is believed to be the fundamental cause of change in the North Korean regime.

      • 통일교육의 학습모형에 관한 연구

        이황규 한국시민윤리학회 2004 한국시민윤리학회보 Vol.16 No.-

        School Reunification Education is aimed to make students have stable and sound value systems based on belief in liberal democracy, solidary feeling as a common national community, and robust view of national security, which are needed to make a reunification, build up desirable reunified country, and make better lives in those days. To make this, peaceful coexistance, and reconciliation and cooperation policies are suggested in the 7th nation-wide curriculum. This becomes Policy of Peace & Prosperity introduced by participatory government to keep peace in the Korean Peninsula. Considering the recent changes and conditions in environment for reunification, and overcoming current difficulties and problems of school reunification education according to existing curriculum, this study is suggesting 3 learning models for school reunification education in Moral Subject of the 7th nation-wide curriculum (1) 'audiovisual model' is targeted to enhance the objective comprehension through sensing the differences between south and north Korea, (2) 'action learning model' is targeted to raise students' consciousness of importance of national security, and to heighten their interests and willingness in reunification, (3) 'group inquiry model' is targeted to form the recognition of actual situation in North and South Korea, and solidary feeling as a common national community through inquiry in a group. The most important thing is a teacher role as an education conductor, and subject to make success of all these trials.

      • 자유기고 : 제철소 건설용 철골제작 공정관리 및 품질관리의 일반적 소개

        이황규 대한건축학회 1993 建築 Vol.37 No.5

        철골은 여러 건설환경의 변화와 건설형태의 다양화로 향후 제작량이 증가될 전망이며, 이에대한 연구와 보급의 움직임도 매우 활발하나, 이를 실제 활용하는 설계업무 종사자의 대부분이 철골에 대한 인식이 일반화되지 못한 것이 현재의 실정이다. 철골제작사 및 철강재 제조업체, 그리고 강재를 이용한 건축자재를 생산하는 업체들은 철강재를 이용한 건설기술을 연구개발 및 보급하여 설계 종사자들의 인식전환과 철구조 설계를 일반화할 수 있는 기틀을 마련하여야겠다.

      • KCI등재

        共産圈 國家의 政治社會化 : 蘇聯과 北韓을 中心으로 centered on the U.S.S.R. and North Korea

        李黃奎 부산대학교 사범대학 1985 교사교육연구 Vol.11 No.-

        Political socialization is a process in which each individual person accomplishes functions necessary to the maintenance of the regime, by acquainting himself with the political norm, attitude, and pattern which are adopted and practised by the present political system. The purpose of this study is to find out the feature of political socialization in communistic countries, by examining the process of political socialization in the U.S.S.R. and North Korea. That is, this study is aimed at analyzing on the basis of the conception of political socialization what process is operated for the construction of the foundation of socialism which is part of communistic politistic politics, for the maintenance of its regime, for the grant of legitimacy of doing that, and for the social mobilization of the whole people on revolution and construction. The conceptual framework used for the purpose of this study is based on that which has been used by the scholars who have studied political socialization. This study is operated as follows. First general theories on political socialization which are necessary to this study have been reviewed. Second the purpose and contents of political socialization in the U.S.S.R. and North Korea have been analyzed, and it was also analyzed how the contents are put in into practice through social agents(home, school education, organized life, and mass media). Third as the result of this study, the feature of political socialization in communistic countries has been discovered as follows. (1) Political socialization in communistic countries is carried out to win the diffuse support which is related to the maintenance of political regime. (2) Political socialization in communistic countries is accomplished to create "new communistic man". (3) Political socialization in communistic countries is systematic and centralized, that is, the state itself meddles thoroughly in the process of political socialization. (4) Not only does the state take the command of the media of political socialization but also the contents are manifest. Lastly, in the course of the above study, there has been much difficulty in investigating positively how much the contents of political socialization in communistic countries are really accepted by their people. This will be one of the subjects of the study in this field in the days ahead.

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