• Title/Summary/Keyword: '96 Protocols

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The Design of Functional Class for SNMP/CMIP Integration Management Gateway System Using CORBA (CORBA를 이용한 SNMP/CMIP 통합관리 Gateway 시스템 구축을 위한 기능별 클래스 설계 방안)

  • 강미영;곽지영;강현철;남지승
    • Proceedings of the IEEK Conference
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    • 2000.06a
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    • pp.93-96
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    • 2000
  • The CMIP(Common Management Information Protocol) and SNMP(Simple Network Management Network) are the two major network management protocols, Which nee to be integrated. Since the networks need to be managed in a uniform way, the CORBA(Common Object Request Broker Architecture) NE View is to develop as a Standard in the ATM Forum For the TMN management structure to integrate these two protocols. In this paper, the function classes are defined to develop the gateway for efficient subnetwork management. The function classes are defined based on the analysis of EMS functions which are mainly network management design of the TMN structure. Also, the object models of the SMI)(Structure of Management Information) in SNMP and the GDMO(Guidelines for the Definition of Managed Objects) in CMIP are developed way direct translation and abstract translation. The integrated management system design, information model translation of EMS using classdefinition, is efficient is efficient method to interconnect CORBA/SNMP and CORBA/CMIP.

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Energy Join Quality Aware Real-time Query Scheduling Algorithm for Wireless Sensor Networks

  • Phuong, Luong Thi Thu;Lee, Sung-Young;Lee, Young-Koo
    • Proceedings of the Korea Information Processing Society Conference
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    • 2011.04a
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    • pp.92-96
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    • 2011
  • Nowadays, the researches study high rate and real-time query applications seem to be real-time query scheduling protocols and energy aware real time query protocols. Also the WSNs should provide the quality of data in real time query applications that is more and more popular for wireless sensor networks (WSNs). Thus we propose the quality of data function to merge into energy efficiency called energy join quality aware realtime query scheduling (EJQRTQ). Our work calculate the energy ratio that considers interference of queries, and then compute the expected quality of query and allocate slots to real-time preemptive query scheduler.

A study on the generation of test benches from a C-like test scenario description (C 언어 중심의 테스트 시나리오 기술을 허용하는 테스트벤치 자동화 도구의 개발에 관한 연구)

  • 정성헌;장경선;조한진
    • Proceedings of the IEEK Conference
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    • 2002.06b
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    • pp.93-96
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    • 2002
  • It is said that the verification effort occupies about 50-70 percent of the total effort of a System-On-A-Chip. This paper aims to develop a test bench automation tool based on the abstraction of the interface protocols. This tool will allow designers to describe their test benches in a high level language such as C rather than VHDL or Verilog. It helps designers to save their verification time and effort.

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Analysis of the Current Situation about Dumping of Wastes at Sea (폐기물 해양투기에 대한 현황 분석)

  • Lee, Tae-Oh;Han, Hyun-Tae;Han, Seong-Ik;Lee, Kwon-Soon
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2009.10a
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    • pp.682-685
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    • 2009
  • 유럽 국가들이 해양환경 오염의 심각성을 인식하여 1972년 최초로 해양투기를 규제하기 위한 지역협정인 오슬로 협약(Oslo Dumping Convention)을 체결하게 되었다. 이를 모체로 하여 런던에서 범세계적인 규제의 필요성이 제기되어 국제협약인 런던협약(London Convention)이 1972년에 체결되었다. 그 후 1990년대에 들어 런던협약 당사국들은 협약을 보다 근본적으로 개정할 필요가 있다는데 의견을 같이 하게 되었다. 1993년 제1차 개정그룹회의 이후 3년간의 작업 끝에 1996년 11월 7일 IMO 본부에서 열린 특별회의에서 1996년 의정서('96 의정서)가 채택됨으로써 협약의 전면적인 개정작업이 완성되었다. 우리나라는 2009년 1월 22일 가입하였으며 2009년 2월 21일에 발효되었다. 이에 따라서 우리나라는 폐기물 해양배출량을 지속적으로 감축하고자 노력 중이다. 본 논문에서는 폐기물 해양배출의 감축과 관리를 보다 효율적으로 하기 위하여 필요한 기술개발과 시스템 구축, 그리고 정부 및 지방자체단체의 정책수립과 법률개정을 위한 자료를 제공하고자 한다.

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ECU-In-the-Loop Simulation for ESC Performance Analysis on the Selection of In-vehicle Networks (차량 내 네트워크 선정에 따른 ESC 성능 분석을 위한 ECU-In-the-Loop 시뮬레이션)

  • Yang, Seung-Moon;Kim, Seong-Yeop;Ki, Young-Hun;Ahn, Hyun-Sik
    • Transactions of the Korean Society of Automotive Engineers
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    • v.21 no.5
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    • pp.87-96
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    • 2013
  • This paper shows how the performance of an ESC(Electronic Stability Control) system can be affected by the selection of in-vehicle network protocols such as CAN or FlexRay. The vehicle control performance under ESC operation is analyzed by EILS(ECU-In-the-Loop Simulation). The experimental set-up for the EILS of the ESC system consists of two 32-bit microcontroller boards communicated with CAN or FlexRay protocols. A 7-DOF vehicle model and an ESC algorithm with 2-DOF reference vehicle model are implemented on each microcontroller respectively. It is shown by experimental results that the ESC system using the FlexRay protocol can achieve better performance than that using the CAN protocol for a fast and accurate lane changing.

Considering the accuracy and efficiency of the wireless sensor network Support Plan (무선 센서 네트워크에서의 정확도와 효율성을 고려한 기술 지원 방안)

  • You, Sanghyun;Choi, Jaehyun
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2014.10a
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    • pp.96-98
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    • 2014
  • Wireless Sensor Network(WSN) is a wireless real-time information(Acquired from the sensor nodes that have the computing power and wireless communication capabilities.) collected, and to take advantage of processing techniques. Currently it is very diverse, such as environmental monitoring, health care, security, smart home, smart grid applications is that. Thus it is required in the wireless sensor network, the algorithm for the efficient use of the limited energy capacity. Suggested by the algorithm for selecting a cluster head node for a hybrid type and clustered, by comparing the amount of energy remaining and a connection between the nodes In this paper, we aim to increase efficiency and accuracy of the wireless sensor network.

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An Efficient Mobility Support Scheme based Multi-hop ARP in Wireless Mesh Networks (무선메쉬 네트워크 환경에서 다중홉 ARP 기반의 효율적인 이동성 지원)

  • Jeon, Seung-Heub;Cho, Young-Bok;Lee, Sang-Ho
    • Journal of the Korea Society of Computer and Information
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    • v.14 no.11
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    • pp.91-96
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    • 2009
  • In this paper, interoperability in heterogeneous wireless mesh network, and mesh nodes for providing efficient IP mobility technique offers multi-hop ARP. Heterogeneous wireless mesh networks to MANETs based on a wireless mesh network backbone and non-MANET architecture is based on a client wireless mesh network and the two mobile networks, combined with a hybrid wireless mesh network are separate. In two different hybrid wireless mesh network routing protocols used to connect the two protocols in the protocol conversion at the gateway to parallel processing problems seriously overload occurs. All of the network reliability and stability are factors that reduce. Therefore, for efficient integration with L3 routing protocols, design techniques to build ARP multi-hop go through the experiment to increase the number of mesh nodes, the packet forwarding rate and an increased hop number of the node was to ensure reliability and stability.

Implementation of the Extended Data Encryption Standard(EDES) (확장된 DES 구현)

  • Han, Seung-Jo;Kim, Pan-Koo
    • The Transactions of the Korea Information Processing Society
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    • v.4 no.6
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    • pp.1565-1575
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    • 1997
  • A new encryption algorithm had been proposed as a replacement to the Data Encryption Standard (DES) in [1,2]. It called the Extended DES (EDES) has a key length of 112 bits. The plaintext data consists of 96 bits divided into 3 sub-blocks of 32 bits each. The EDES has a potentially higher resistance to differential cryptanalysis that the DES due to the asymmetric number of f functions performed on each of the 3 sub-blocks and due to the increase of S-boxes from 8 to 16. This paper propose a hardware design for the EDES and its implementation in VLSI. The VLSI chip implements data encryption and decryption in a single hardware unit. With a system clock frequency of 15Mhz the device permits a data conversion rate of about 90Mbit/sec. Therefore, the chip can be applied to on-line encryption in high-speed networking protocols.

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The Requirements of Software Architectural Description Language (소프트웨어 아키텍처 기술 언어의 요구 조건)

  • 권기태;변분희
    • Journal of Korea Society of Industrial Information Systems
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    • v.7 no.5
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    • pp.96-102
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    • 2002
  • As the size and complexity of software systems increase, the design and specification of overall system structures become more significant issues than the choice of algorithms and data structures. Structural issues include the organization of a system as a composition of components; global control structures; protocols for communication synchronization, and data access etc. In this paper we show why the existing software architectural description method is not satisfied, and suggest the necessity of the new architectural description language md the requirements of the software architectural description language.

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Optimal filter materials for protist quantification via droplet digital PCR

  • Juhee Min;Kwang Young Kim
    • ALGAE
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    • v.39 no.1
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    • pp.51-56
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    • 2024
  • The use of droplet digital polymerase chain reaction (ddPCR) has greatly improved the quantification of harmful protists, outperforming traditional methods like quantitative PCR. Notably, ddPCR provides enhanced consistency and reproducibility at it resists PCR inhibitors commonly found in environmental DNA samples. This study aimed to determine the most effective filter material for ddPCR protocols by assessing the reproducibility of species-specific gene copy numbers and filtration time across six filter types: cellulose acetate (CA), mixed cellulose ester (MCE), nylon (NY), polycarbonate (PC), polyethersulfone (PES), and polyvinylidene fluoride (PVDF). The study used two species of Chattonella marina complexes as a case study. Filtration rates were slower for NY, PC, and PVDF filters. Moreover, MCE, NY, PES, and PVDF yielded lower DNA amounts than other filters. Importantly, the CA filter exhibited the lowest variance (38-39%) and the highest determination coefficients (R2 = 0.92-0.96), indicating superior performance. These findings suggest that the CA filter is the most suitable for ddPCR quantification of marine protists, offering quick filtration and reliable reproducibility.