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Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

Chapter 6 Wireless and Mobile Networks - Network and Systems Lab

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Accommodating mobility with direct routing<br />

anchor foreign agent: FA in first visited network<br />

data always routed first to anchor FA<br />

when mobile moves: new FA arranges to have data<br />

forwarded from old FA (chaining)<br />

correspondent<br />

wide area<br />

network<br />

1<br />

correspondent<br />

agent<br />

anchor<br />

foreign<br />

agent<br />

5<br />

4<br />

new foreign<br />

agent<br />

3<br />

foreign net visited<br />

at session start<br />

2<br />

new<br />

foreign<br />

network<br />

6: <strong>Wireless</strong> <strong>and</strong> <strong>Mobile</strong> <strong><strong>Network</strong>s</strong> 6-54

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