네트워크의 규모가 방대해지고 복잡해지면서 IP 주소 부족문제와 그에 따르는 보안문제가 중요시되어 지고 있다. 여기에서 IPv4/IPv6 변환 기술인 NAT-PT 는 구조적 특성상 보안에 대한 메커니즘을 제공하지 못한다. 즉, 종단간 IPSec 보안은 다른 주소 영역사이(IPv4-IPv6)를 교차하는 것이 불가능하기 때문이다. 따라서 이 논문에서는 이를 해결하기 위해 NAT-PT 와 SPP 가 결합된 SPS 환경에서의 정책협상을 위한 정책기반 보안 메커니즘을 제안 한다.
KSP Keywords
NAT-PT
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