무선랜에 대한 사용과 응용이 늘어나면서 등장한 요구사항들을 충족시키기 위하여 IEEE 802.11에 새로운 규격들이 계속하여 추가되고 있다. 그중 802.11i와 802.11f는 각각 무선랜 보안 강화와 액세스포인트 사이의 정보 교환을 목적으로 제정되었다. 802.11i에 의한 보안기능 강화로 인하여 스테이션의 로밍 과정에서의 지연 시간이 길어지게 되었고 이를 해결하기 위한 선인증 방식이 사용될 수 있다. 그러나 802.11i선인증 방식에서는 스테이션이 로밍하여 갈 액세스포인트를 미리 예상하고 인증을 받아야 한다는 단점이 있다 본 논문에서는 IAPP 프로토콜을 사용하여 액세스포인트 사이에 인증 정보를 교환함으로써 스테이션이 관여하지 않고 선인증을 수행하는 방법을 제안하고, 802.11i 선인증 방식에 대한 장단점을 비교한다.
KSP Keywords
IEEE 802.1
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