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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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Mobility: approaches<br />

Let routing h<strong>and</strong>le it: routers advertise permanent<br />

address of mobile-nodes-in-residence via usual<br />

routing table exchange.<br />

routing tables indicate where each mobile located<br />

no changes to end-systems<br />

Let end-systems h<strong>and</strong>le it:<br />

indirect routing: communication from<br />

correspondent to mobile goes through home<br />

agent, then forwarded to remote<br />

direct routing: correspondent gets foreign<br />

address of mobile, sends directly to mobile<br />

6: <strong>Wireless</strong> <strong>and</strong> <strong>Mobile</strong> <strong><strong>Network</strong>s</strong> 6-46

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