Mobile IPv4 White Paper

Contents
The Mobile Internet .................................................................. 1
Mobilty for Internet Protocol (IPv4)...................................... 2
How Mobile IP Works .................................................................... 2
Roles ............................................................................................... 2
The Role of the Mobile Node..................................................... 2
The Role of the Foreign Agent................................................... 2
The Role of the Home Agent...................................................... 2
How a Mobile Node Receives Packets....................................... 3
How a Mobile Node Sends Packets............................................ 3
Agent Advertisements ..................................................................... 4
Agent Solicitations.......................................................................... 4
How a Mobile Node gets the Care-of Address ............................... 4
Location Updates - Registering the COA....................................... 5
Deregistering the Care-of Address................................................. 5
HP-UX Mobile IPv4 ................................................................ 6
Product Features ............................................................................ 6
IP Mobility Support for IPv4 [RFC 3344] ................................. 6
IP Encapsulation and Tunneling................................................. 6
Reverse Tunneling [RFC 3024].................................................. 6
Route Optimization .................................................................... 7
AAA Support.......................................................................... 8
Mobile Node Authentication ...................................................... 8
Dynamic Key Generation and Distribution.............................. 10
Dynamic Home Address Allocation......................................... 10
Dynamic Home Agent Allocation............................................ 10
References........................................................................... 11
For more Information.......................................................... 12