• Title/Summary/Keyword: common name resolution

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Design of CNRP Client/Server System (CNRP 서버/클라이언트 시스템 설계)

  • 김형수;류영호;이철숙;정일동;김경석
    • Proceedings of the Korean Information Science Society Conference
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    • 2001.04b
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    • pp.166-168
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    • 2001
  • CNRP(Common Name Resolution Protocol)는 일상 생활을 통하여 흔히 접할 수 있는 회사 이름, 브랜드 이름, 제품 이름, 사람 이름, 책 제목 등의 보통이름(Common Name)의 풀이(Resolution)를 통하여 원하는 웹 리소스를 얻기위해 제안된 프로토콜이다. CNRP는 클라이언트 어플리케이션과 보통이름 풀이 서비스간의 인터랙션(interaction) 절차와 인터랙션에서 사용될 CNRP 객체들에 대해 정의하고 있다. 하지만, CNRP 명세(Specification)에서는 보통이름 풀이 서비스 시스템에 관한 구현 방안에 대해서는 언급하고 있지 않다. 따라서, 본 논문에서는 사용자가 질의한 보통이름을 풀이해서 사용자가 원하는 웹 리소스의 URI를 돌려주는 CNRP 서비스의 서버와 클라이언트의 설계 및 구현 방안을 제시하고 프로토타입 시스템을 구현함으로써 그 실용 가능성을 검증하였다.

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A CNRP Server/Client System (CNRP 서버/클라이언트 시스템)

  • Yu, Young-Ho;Lee, Jong-Hwan;Lee, Jung-Hwa;Kim, Kyong-Sok
    • Journal of KIISE:Computing Practices and Letters
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    • v.8 no.5
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    • pp.607-617
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    • 2002
  • IETF has proposed CNRP that is a protocol exchanging CNRP objects between server and client for resolving a common name to URIs of the desired Internet resouces. CNRP enables users to access various services via the integrated interface, to easily get the desired resources, and to reuse the results not as the data but as the information. Whereby these advantages, CNRP will be generally used for the integration of the various Internet services or the applications where the resolution of common name is needed. But, CNRP specification doesn't describes the practical implementation method for server and client. Though a few prototype systems are developed in some researches using CNRP, they are not enough to be generally used for the various Internet applications because they doesn't include all objects specified in CNRP specification or they construct systems with one server. So, this Paper proposes the practical implementation method for CNRP server/client through analyzing and solving the problems occurred when implementing them, and implements all objects specified in CNRP specification. This paper also verifies the feasibility of the proposed method by developing the prototype system of the company name resolution service using the CNRP server/client implemented in this study. The CNRP server/client implemented in this paper are used to develop various CNRP application systems.

A Study of Domain Name Disputes Resolution with the Korea-U.S. FTA Agreement (한미자유무역협정(FTA)에 따른 도메인이름 분쟁해결의 개선방안에 관한 연구)

  • Park, Yu-Sun
    • Journal of Arbitration Studies
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    • v.17 no.2
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    • pp.167-187
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    • 2007
  • As Korea has reached a free trade agreement with the United States of America, it is required to provide an appropriate procedure to ".kr" domain name disputes based on the principles established in the Uniform Domain Name Dispute Resolution Policy(UDRP). Currently, Internet address Dispute Resolution Committee(IDRC) established under Article 16 of the Act on Internet Address Resources provides the dispute resolution proceedings to resolve ".kr" domain name disputes. While the IDRC's proceeding is similar to the UDRP administrative proceeding in procedural aspects, the Domain Name Dispute Mediation Policy that is established by the IDRC and that applies to disputes involving ".kr" domain names is very different from the UDRP for generic Top Level Domain (gTLD) in substantial aspects. Under the Korea-U.S. Free Trade Agreement(KORUS FTA), it is expected that either the Domain Name Dispute Mediation Policy to be amended to adopt the UDRP or the IDRC to examine the Domain Name Dispute Mediation Policy in order to harmonize it with the principles established in the UDRP. It is a common practice of cybersquatters to warehouse a number of domain names without any active use of these domain names after their registration. The Domain Name Dispute Mediation Policy provides that the complainant may request to transfer or delete the registration of the disputed domain name if the registrant registered, holds or uses the disputed domain name in bad faith. This provision lifts the complainant's burden of proof to show the respondent's bad faith because the complainant is only required to prove one of the three bad faiths which are registration in bad faith, holding in bad faith, or use in bad faith. The aforementioned resolution procedure is different from the UDRP regime which requires the complainant, in compliance with paragraph 4(b) of the UDRP, to prove that the disputed domain name has been registered in bad faith and is being used in bad faith. Therefore, the complainant carries heavy burden of proof under the UDRP. The IDRC should deny the complaint if the respondent has legitimate rights or interests in the domain names. Under the UDRP, the complainant must show that the respondent has no rights or legitimate interests in the disputed domain name. The UDRP sets out three illustrative circumstances, any one of which if proved by the respondent, shall be evidence of the respondent's rights to or legitimate interests in the domain name. As the Domain Name Dispute Mediation Policy provides only a general provision regarding the respondent's legitimate rights or interests, the respondent can be placed in a very week foundation to be protected under the Policy. It is therefore recommended for the IDRC to adopt the three UDRP circumstances to guide how the respondent can demonstrate his/her legitimate rights or interests in the disputed domain name. In accordance with the KORUS FTA, the Korean Government is required to provide online publication to a reliable and accurate database of contact information concerning domain name registrants. Cybersquatters often provide inaccurate contact information or willfully conceal their identity to avoid objection by trademark owners. It may cause unnecessary and unwarranted delay of the administrative proceedings. The respondent may loss the opportunity to assert his/her rights or legitimate interests in the domain name due to inability to submit the response effectively and timely. The respondent could breach a registration agreement with a registrar which requires the registrant to submit and update accurate contact information. The respondent who is reluctant to disclose his/her contact information on the Internet citing for privacy rights and protection. This is however debatable as the respondent may use the proxy registration service provided by the registrar to protect the respondent's privacy.

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A new type of helix in protein structure.

  • Son, Hyeon-S.
    • Proceedings of the Korean Society for Bioinformatics Conference
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    • 2000.11a
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    • pp.86-87
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    • 2000
  • Protein folding is a fundamental problem in structural bioinformatics and so numerous studies have been devoted to the subject. As the most common regular secondary conformation in proteins, helix has been an important ingredient of the protein folding problem. In particular, alanine based polypeptides are widely studied to identify the helix folding process in that the aianine amino acid is known to have one of the highest helix propensities. In principle, intrinsic helix propensities can be obtained from gas-phase measurements where solvent effect is absent. Hudgins et al. studied alanine-based peptides in vacuo using high-resolution ion mobility measurement technique. It was reported that introduction of a single Iysine at the C terminus resulted in the formation of very stable, monomeric polyalanine helices. We also have investigated helix formation in vacuo with different terminal charge conditions; we have found a new type of helix motif, To the best of our knowledge, this type of helix conformation has not been characterized before and we name it as I-helix.

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Desing of Integrated Search System based on CNRP Using XML (XML을 이용한 CNRP기반의 통합 검색시스템 설계)

  • 홍승우;유영호;김형수;김격석
    • Proceedings of the Korean Information Science Society Conference
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    • 2000.10a
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    • pp.148-150
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    • 2000
  • 웹이 빠른 속도로 증가짐에 따라 사용자들은 점차 원하는 리소스를 얻기가 힘들어지고 있다. 비록 기존의 검색엔진이 도움을 주고 있지만, 하나의 서버가 방대하고 다양한 종류의 웹 리소스들을 모두 구분해 서비스하는 것은 점차 그 한계를 드러내고 있다. 본 논문에서는 각 검색서버들이 분류화된 이름공간내에서 검색서비스를 하고 이들을 하나의 질의 인터페이스로 통합할 수 있는 방안을 제안하고, 그 시스템을 설계하고자 한다. 제안된 시스템은 XML을 사용하는 CNRP(Common Name Resolution Protocol)을 기반으로 하여 여러 검색 서버의 결과를 쉽게 통합하고, 검색된 데이터를 일반 응용프로그램에서도 사용할 수 있으며, 동적으로 생성되는 질의 인터페이스를 통해 어떠한 검색 시스템으로도 확장이 가능하다.

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