6. 2 직접 전달과 간접 전달(계속) <직접 전달 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 4
6. 2 직접 전달과 간접 전달(계속) <간접 전달 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 6
6. 3 라우팅 방법 <라우팅 테이블 이용 <라우팅 기술 Ü다음 홉 라우팅(Next-Hop Routing) Ü네트워크 지정 라우팅(Network-Specific Routing) Ü호스트 지정 라우팅(Host-Specific Routing) Ü디폴트 라우팅(Default Routing) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 7
6. 5 라우팅 모듈과 라우팅 테이블 설계(계속) <라우팅 모듈 Receive : an IP packet 1. For each entry in the routing table 1. Apply the mask to packet destination address 2. If (the result matches the value in the destination field) 1. If (the G flag is absent) 1. Use packet destination address as next hop address 2. Send packet to fragmentation module with next hop address 3. Return 2. If no match is found, send an ICMP error message 3. Return Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 19