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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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<strong>Mobile</strong> IP: agent discovery<br />

agent advertisement: foreign/home agents advertise<br />

service by broadcasting ICMP messages (typefield = 9)<br />

0 8 16 24<br />

type = 9 code = 0 checksum<br />

H,F bits: home<br />

<strong>and</strong>/or foreign agent<br />

router address<br />

st<strong>and</strong>ard<br />

ICMP fields<br />

R bit: registration<br />

required<br />

type = 16<br />

length sequence #<br />

registration lifetime<br />

RBHFMGV<br />

bits<br />

0 or more care-ofaddresses<br />

reserved<br />

mobility agent<br />

advertisement<br />

extension<br />

6: <strong>Wireless</strong> <strong>and</strong> <strong>Mobile</strong> <strong><strong>Network</strong>s</strong> 6-58

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