무선 인터넷 환경에서 무선 인터넷 브라우징을 지원하는 휴대폰 단말기는 각 단말기 종류별로 표시 가능한 줄 수, 화면 넓이, 칼라 지원 여부 등과 같이 다양한 표현 능력을 갖고 있음에 따라, 휴대폰 단말기를 통해 클라이언트에 의해 요청된 해당 컨텐츠는 각 단말기의 표현 능력에 따라 응용 서버에 의해 적절하게 변환되어 클라이언트에게 제공되어야 한다. 그러나 변환 작업은 처리 시간이 매우 많이 소모되는 작업이므로 캐쉬를 이용하는 방법이 효율적이다. 그러나, 무선 인터넷 환경에서는 다양한 종류의 휴대폰 단말기가 존재하므로 변환된 컨텐츠는 오직 그 컨텐츠를 요청한 단말기에만 유효하도록 캐쉬에 저장되기 때문에 캐쉬에 대한 적중률이 매우 떨어질 수 있는 문제점이 있다. 본 논문에서는 무선 인터넷 환경에서의 이러한 캐쉬의 약점을 극복하기 위해, 모바일 환경의 응용 서버에서 다양한 단말기를 위한 컨텐츠 변환을 지원하면서도 캐쉬의 적중률을 높일 수 있는 방법을 제안하며 이에 대한 설계를 논한다.
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