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도서성(Insularity)과 전통성에 바탕을 둔 이상적인 도서지역 주거모델 개발에 관한 연구
김지민,Kim Ji-Min 한국주거학회 2005 한국주거학회 논문집 Vol.16 No.5
This paper is architectural paper which has been studied about residential culture of Southwestern Island from 18C to now. It's main object is suggest a new residential type. Contents of research is 1, to survey a history and a cultural environment of island. 2. to survey and rearrange residence(traditional, modem) which has been built from the past to the present, and establish a history of residence and a theory. 3. to search for architectural space, shape(form), and architectural community, etc. which can be continued. 4. to suggests ideal future residence type of islands. Effectiveness of Research is 1. This study suggests a new theory and a new method to the field of residential science, especially to the residence of island area. 2. In this study, traditional theory of residence be reflected in the modern architectural design.
종단간 QoS 지원을 위해 Bottom-half 메커니즘을 이용한 우선순위 및 예산 기반의 네트워크 프로토콜 처리
김지민,유민수,Kim, Ji-Min,Ryu, Min-Soo 한국정보처리학회 2009 정보처리학회논문지 A Vol.16 No.3
종단 호스트에서의 전통적인 네트워크 프로토콜 처리 기법은 인터럽트 기반의 선착순 처리 방식을 사용함으로써 다음과 같은 두 가지 문제점을 가진다. 첫째, 인터럽트가 가장 높은 우선순위로 처리되기 때문에 네트워크 패킷과 응용 프로세스간에 우선순위 역전현상이 발생할 수 있다. 둘째, 네트워크 패킷 처리가 선착순으로 진행되기 때문에 패킷과 패킷간에 우선순위 역전현상이 발생할 수 있다. 이러한 문제는 우선순위에 기반한 프로토콜 처리 방법으로 해결이 가능한 것으로 알려져 있지만, 기본적으로 우선순위 기반의 해법은 기아(starvation)라는 부작용을 가지고 있으며 각각의 네트워크 흐름에 대하여 QoS 격리 및 조절이 불가능하기 때문에 네트워크 흐름마다 상이한 QoS가 요구되는 환경에 적용하기 어렵다는 문제점을 가지고 있다. 본 논문에서는 우선순위와 예산(budget) 개념에 기반하여 bottom-half 메커니즘을 이용한 프로토콜 처리 기법을 제안한다. 제안하는 방법을 사용하면 우선순위 기반의 프로토콜 처리 방법이 가지고 있는 기아 현상을 해결함은 물론 각각의 네트워크 연결이 요구하는 QoS의 격리(isolation)가 가능하다. 이러한 특성으로 인해 패킷 처리 시간을 상한 (upper-bound)시키는 것이 가능해지며, 본 논문에서는 그 최대값을 계산해내는 방법을 함께 제안한다. 마지막으로, 실험을 통해 제안하는 방법이 네트워크 흐름간 QoS를 효과적으로 격리 및 조절할 수 있음을 확인할 수 있었다. The traditional interrupt-based protocol processing at end hosts has two priority-inversion problems. First, low-priority packets may interrupt and delay high-priority process executionssince interrupts have the highest priority in most operating systems. Second, low-priority packet may delay high priority packets when they arrive almost simultaneously since interrupt processing is performed in a FCFS (first come, first served) order. These problems can be solved by a priority-based protocol processing policy and implementation. However, general priority-based schemes commonly have the problem of starvation and cannot support the each network flow requiring the mutually exclusive QoS since the packets are processed in the FCFS order. Therefore, the priority-based schemes are not appropriate for different QoS-demanding applications. In this paper, we present a bottom-half-based approach that relies on priority- and budget-based processing. The proposed approach allows us to solve both the starvation and priority-inversion problems, and further enables effective QoS isolation between different network connections. This feature also enables bounding the protocol processing time at an end host. We finally show through experiments that the proposed approach achieves QoS isolation and control.
19세기 한국 남서해(南西海) 도서지역(島嶼地域) 민가(民家)의 유형적 체계
김지민,Kim, Ji-Min 한국건축역사학회 1992 건축역사연구 Vol.1 No.1
This study is an architectural investigation paper which has been investigated for 5 years from 1986 about commoner's traditional houses and village in southwestern island area of Korea. Man has lived in this area form the prehistoric age. But from 13C to 14C and in 16C most of people had left this islands by external invasion (Japan) and from 17C many people have lived in real earnest. This area did not have cultural interchange easily than inland area because of geographical conditions, Therefore, so far, many traditional factors have been handed down and especially, a good many commoner's traditional houses exist. The time of builging of these houses is mainly 19C and building shape of those days remains nearly as it is. About 450 houses have been investigated for 5 years. The composition of the houses is composed of Anchae (a centeral house), Sarangchae (an attached house of anchae) and Chukganchae (It has rest room and stores barnyard manure). Somtimes, Sarangchae was ommitted according to the circumstance of the house. Generally, the form of arrangement of house is divided into two shapes; One is 'ㅡ'shape which has only Anchae and the other is 'ㄱ' shape which has Anchae and Sarangchae. In the scale of the house, Anchae averages $41m^2$ and Sarangchae averages $27m^2$.
김지민,Kim, Ji-Min 한국건축역사학회 2005 건축역사연구 Vol.14 No.4
The purpose of this study is to find out the plan type of traditional folk housing in Jeoun-Nam Province. The building time of these houses is mainly from early 19C to early 20C and about 1,000 houses have been investigated. The conclusion of this research is 1. Small house is composed of kitchen, one or two rooms and Marae(the place of storage and sacrificial rite). Big house has one more room and one more storage in comparison with the small house. Marae and Jeoungjibang(a room which is in front of kitchen) are characteristic rooms of folk house in Jeoun-Nam Province. 2. The plan type varies in Jeoun-Nam Province. '-'type is a main type of layout and it is arranged a kitchen, a big room, a Marae and a small room in order. In the big house, jeoungjibang(the third room) is added. 3. In the southwestern Island area, no room is arranged beside Marae. Marae has characteristic confucian order because it is the place of sacrificial rite. Therefore there is a great difference in comparison with other area. 4. In the mountain area such as Gurae, there are some houses which have two rooms arranged up and down in one side; that is, upside is Marae and downside is small room. This type is called Kyump Jip.