Chapter 27 Mobile IP Http netwk hannam ac

Chapter 27 Mobile IP Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 1

CONTENTS • • ADDRESSING AGENTS THREE PHASES AGENT DISCOVERY REGISTRATION DATA TRANSFER INEFFICIENCY IN MOBILE IP Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 2

27. 1 ADDRESSING Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 3

27. 1 주소지정 The IP addresses are designed to work with stationary hosts because part of the address defines the network to which the host is attached. Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 4

27. 1 주소지정 <홈 주소와 임시 주소 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 7

27. 1 주소지정 Mobile IP has two addresses for a mobile host: one home address and one care-of address. The home address is permanent; the care-of address changes as the mobile host moves from one network to another. Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 8

27. 2 AGENTS Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 9

27. 2 에이전트 <홈 에이전트와 외지 에이전트 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 11

27. 2 에이전트 When the mobile host and the foreign agent are the same, the care-of address is called a co-located care-of address. Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 12

27. 3 THREE PHASES Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 13

27. 3 통신의 3 단계 <원격 호스트와 모바일 호스트의 통신 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 14

27. 4 AGENT DISCOVERY Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 15

27. 4 에이전트 발견 <에이전트 광고 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 16

27. 4 에이전트 발견 Mobile IP does not use a new packet type for agent advertisement; it uses the router advertisement packet of ICMP, and appends an agent advertisement message. Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 17

27. 4 에이전트 발견 Mobile IP does not use a new packet type for agent solicitation; it uses the router solicitation packet of ICMP. Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 18