Mobile networking through Mobile IP
Perkins, C.E.
Internet Computing, IEEE
Volume 2, Issue 1, Jan/Feb 1998 Page(s):58 - 69
Digital Object Identifier 10.1109/4236.656077
Summary:Mobile IP is a proposed standard protocol that builds on the
Internet Protocol by making mobility transparent to applications and
higher level protocols like TCP. Mobile IP (RFC 2002) is a standard
proposed by a working group within the Internet Engineering Task Force;
it allows the mobile node to use two IP addresses: a fixed home address
and a care-of address that changes at each new point of attachment. The
article presents the Mobile IP standard in moderate technical detail and
points the reader toward a wealth of further information. Is also
describes how Mobile IP will change with IP version 6, the product of a
major effort within the IETF to engineer an eventual replacement for the
current version of IP. Although IPv6 will support mobility to a greater
degree than IPv4, it will still need Mobile IP to make mobility
transparent to applications and higher level protocols such as TCP.
There is a great deal of interest in mobile computing and apparently in
Mobile IP as a way to provide for it. A quick Web search for items
related to Mobile IP returned over 60,000 hits-impressive even given the
notorious lack of selectivity for such procedures. Mobile IP forms the
basis either directly or indirectly of many current research efforts and
products. The Cellular Digital Packet Data (CDPD), for example, has
created a widely deployed communications infrastructure based on a
previous draft specification of the protocol. In addition, most major
router vendors have developed implementations for Mobile IP
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