IPv4/IPv6 전환기술 비교 분석
Comparison and Analysis of IPv4/IPv6 Transition Technologies
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초록
본 논문에서는 IPv4 주소 자원 공유 기술을 포함하여 IPv4/IPv6 전환(Transition) 기술에 대해서 연구 시기를 기준으로 ‘1세대’와 ‘2세대’로 나누어 연구 동향을 살펴보고 이를 비교 분석하고자한다. 첫 번째로, 1세대, 즉 IPv6 기본 기술과 관련 기술의 연구 개발이 본격적으로 진행되었던 1990년대 후반부터 2000년대 초반에 연구 개발된 IPv4/IPv6 전환 기술을 듀얼스택(Dual-stack) 기술, 터널링(Tunneling) 기술, 주소변환(Translation)로 분류하여 분석한다. 두 번째로, 2세대, 즉 최근 2010년 전후로 유ㆍ무선 통합 서비스 제공, 스마트 기기 보급 확산 등에 따른 무선 인터넷 서비스 활성화로 전 세계적으로 IP 주소 수요는 급격하게 증가하였고, 이와 맞물려 ICANN은 물론 APNIC이 주소 고갈을 선언하면서 IPv6 도입에 대한 필요성이 다시금 대두되게 되었다. 즉, 1세대에서 기 연구 개발된 세 가지 기술을 개선하고자 최근 연구 개발된 IPv4/IPv6 전환 기술은 물론 IPv4 주소 부족을 해결하기 위해 개선된 주소 자원 공유 기술에 대해서 다룬다. 마지막으로, 2세대에서 연구 개발된 전환 기술에 대해서 다양한 측면에서 비교분석을 수행한다.
Abstract
In this paper, IPv4/IPv6 transition technologies including IP address sharing are surveyed, categorized, and analyzed according to the time of the research, 1st generation and 2nd generation. For the 1st generation, from the late 1990s to the early 2000s, when IPv6 related researches and developments are at an early stage, IPv4/IPv6 transition technologies are surveyed and described with the classification of dual-starck, tunneling and translation. Secondly, the 2nd generation is considered as around 2010. Around this time, IPv4 address is rapidly depleting due to the fast growing number of Internet-enabled mobile and smart devices. In addition, ICANN as well as APNIC have raised officially the impending exhaustion of the IPv4 address. These situations encourage IPv6 to be adopted as a solution. Hence, alternative IPv4/IPv6 transition technologies and IP address sharing technologies are surveyed and described, which have been researched and developed in order to modify and enhance exiting 1st generation technologies. Finally, these 2nd generation technologies are compared and analyzed from a variety of views.
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