July 2010
Intermediate to advanced
350 pages
14h 19m
English
Content preview from Smart Phone and Next Generation Mobile Computing
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Mobile Networking Challenges 253
Home Network
Home Agent
Correspondent
Station
Foreign Agent
Mobile Station
Foreign Network
IP-in-IP Tunnel
Figure 5.1 Mobile IP.
has been replaced by IP-in-UDP (User Datagram Protocol). Details of
the mobile IP protocol can be found in RFC 3220 (All RFCs can be
obtained from IETF’s website: http://www.ietf.org/rfc/)[2][1]. Mobile
IP essentially offers a way to identify a mobile device using the same
address when it moves to another location and cannot be serviced by
its original home agent. It does not require any modification to the
application layer. Its drawback is the overhead of signaling and IP
tunneling. To reduce the