XCAP(XML Configuration Access Protocol)은 IETF의 SIMPLE WG에서 현재 표준화 과정 진행중에 있다. 네트워크에 위치한 많은 통신 어플리케이션들은 Request를 처리하는 시점에서 사용자 별 정보를 접근하는 것을 필요로 하며 사용자별 정보는 네트워크 내에서 유지되며 end 사용자에 의해 관리되도록 하고 있다. XCAP은 이러한 정보들을 관리하고 조직하기 위한 방법으로 제안된 프로토콜로써 HTTP 기반에서 동작한다. 각 정보들은 특정 어플리케이션에서 각자에게 필요한 형태의 XML 데이터로 규격화 되어 있으며, 어플리케이션마다 unique한 ID인 AUID(Application Unique ID)를 할당 받게 된다. 그리고 이러한 새로운 Application Usage들은 사용하고자 하는 XML의 스키마와 default namespace, MIME Type, Validation Constraints, Data Semantics, Naming Conventions, Resource Interdependency, Authorization Policy등을 규정하도록 되어 있다. XCAP 서버는 단말들로부터 이러한 configuration 정보들을 전달받아 조직화하여 유지 관리하는 기능을 수행하게 된다. 본 고에서는 XCAP 서버의 기능을 구현받기 위하여 기능의 정의 및 블록별 기능 분리를 통한 설계 방법 및 구현 방법에 대하여 논하고자 한다.
KSP Keywords
Access protocol, Data semantics
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