DHCP Proxy: Message Flow

MOBILE HOST

HOME DHCP SERVER

DISCOVER

HOME

AGENT++

REGISTRATION (w/NAI)

OFFER

REQUEST

ACK

REPLY (w/home address)

Mobile IP

DHCP

Highlights

• Proxy DHCP client on home agent talks directly to local server

• Home address sent back to mobile host in registration reply

• Total configuration time: ~ 1 RTT

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