인터넷에서 멀티미디어 서비스 및 고품질의 서비스를 제공하기 위한 다양한 모델들이 제시되고 있다. 기존의 통합화 서비스 (Intserv)나 차별화 서비스 (Diffserv)가 확장성과 종단간의 QoS 보장 측면에서 문제점을 보이면서 최근에는 이들을 통합하려는 시도가 나오고 있다. 그러나 각 모델의 기본 구조가 다르기 때문에 자연스럽게 연결되는 (Seamless) 통합 네트워크을 제시하는데 상당한 어려움이 있다. 본 논문에서는 인터넷에서 종단간의 QoS을 보장하기 위해 통합 모델의 형태를 보이고, 이를 구현하기 위한 프로토콜 변환기를 제안한다. 프로토콜 변환기는 리눅스 기반으로 구현되었다. 프로토콜 변환기를 포함하는 통합 모델에서 패킷 손실율, 데이터 전송율과 같은 네트워크 성능이 향상되었음을 실험을 통해서 보여진다.
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