현존하는 시스템을 새로운 환경에서도 운용할 수 있도록 하기 위해서는 레거시(Legacy) 시스템에 대한 현대화(Modernization) 노력이 요구된다. 특히 설계 패턴, 프레임워크 등의 소프트웨어 재사용 기술과 함께 컴포넌트 기술이 개발, 보급됨에 기존의 레거시 시스템을 컴포넌트로 변환하고자 하는 연구들이 진행중이다. 본 논문은 서블릿으로 된 웹 프로그램을 대상으로 EJB 컴포넌트로의 변환을 지원하는 도구 개발에 관한 내용으로, 분석기, 시각화기, 추출기, 생성기로 구성된 Servlet2EJB 변화도구의 기능을 상세히 기술한다.
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