인터넷의 폭발적인 성장으로 인터넷을 사용하는 사용자 및 애플리케이션들이 급속하게 등장하였다. 그로 인하여, 스트리밍 서비스 또는 time-sensitive한 애플리케이션들의 QoS를 보장하기 위한 여러 가지 QoS 연구들이 진행중이다. 시스코를 중심으로 한 기업망에서의 Policy Networking 기반의 서비스들이 점점 더 발전되어가고 있다. 즉, 시스코 라우터에서는 이를 지원하기 위한 filtering, Coloring, Policy 등의 명령어를 지원하게 되었다. 그러므로, 이것들을 운영하는 관리자들은 Dos 정책을 자동으로 분배, 적용, 모니터링, 리포팅 기능을 제공하는 자동화된 네트웍 관리도구들에 대한 요구들이 증가하고 있다. 시중에 나와 있는 시스코 제품들은 가격이 너무 비싸고, 관리자들의 요구 사항과는 약간의 거리감이 있다. 따라서, 이 논문에서 시스코 라우터 기반의 자동화된 QoS 정책 분배 시스템의 설계 및 구현 결과를 소개하고자 한다.
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