인터넷전화를 비롯한 IP 응용 서비스의 이용이 확대됨에 따라, IP 응용 서비스 상에서 긴급통화 서비스 제공이 필요하게 되었다. 이에 따라 NENA, ATIS, IETF 등의 기구에서 E911 서비스 제공을 위한 표준을 개발하고 있으며, 특히 IETF의 ecrit WG 및 geopriv WG에서는 인터넷 상에서의 긴급 호 라우팅을 위한 기술 표준과 지리좌표 정보의 전달을 위한 위치정보 표현과 관련된 표준을 개발하고 있다. 또한, NENA i3 구조는 IETF에서 개발한 표준의 상당부분을 따른다는 것을 밝힌 바 있다. 본 고에서는 긴급 호 매핑, 긴급 호 라우팅, 긴급 호 전달 방법, 긴급 호 식별 방법, 위치정보 획득 방법 및 위치정보 표현 방법 등 인터넷 상에서의 긴급통화 제공을 위한 IETF ecrit WG 및 geopriv WG에서의 표준 개발 동향에 대하여 기술하고자 한다.
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