EJB(Enterprise Java Bean) 컨테이너에서 대규모의 요청을 위해서는 여러 개의 EJB 컨테이너를 클러스터링 환경으로 구동시키는 것이 필요하다. EJB를 사용하는 클라이언트로는 JSPP나 에플리케이션 클라이언트, 혹은 또 다른 빈이 될 수 있다 이러한 클라이언트가 사용하는 EJB의 스텁을 클러스터 환경에 적합하도록 구현함으로써 트랜잭션 지역화, 장애 발생시 다른 서버로의 메소드 호출 전환, 동일 가상 머신을 탐지한 메소드 호출 최적화 등의 다양한 기능을 수행할 수 있다. 본 논문에서는 이러한 스마트 스텁의 필요성 및 구현에 대해 논의한다.
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