2006년 9월 개최된 제18차 GGF 회의는 그리드 연구에 대한 새로운 출발점으로 기억될 것이다. 1999년 미국 시카고 대학의 이안 포스터 교수에 의해서 “인터넷 망을 이용하여 분산된 컴퓨터 자원의 결합을 통한 작업 수행”이 가능한 그리드가 처음으로 제안된 이후, 많은 기술 발전을 거듭하였고, 최근에는 웹서비스 기술과 그리드 기술을 접목한 개방형 그리드 서비스 구조를 제안하였다. 제18차 회의는 현재까지 개발된 그리드 기술에 본격적으로 웹서비스 기술을 도입하기 위한 선포였으며, 이에 GGF를 OGF로 개명하였다. 본 고에서는 OGSA에 대한 분석을 기반으로 그리드 웹서비스에 대해서 간략히 소개하고, 현재 그리드 웹서비스에서 보안 서비스를 제공하기 위해 연구를 진행하고 있는 웹서비스 보안 기술과 이에 대한 적용 동향을 살펴본다.
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