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IP-based protocols and mechanisms to support host mobility, throughout the Internet, are analysed. A mobile node is identified by its home address, regardless of its current point of attachment. When away from its home, the mobile node is associated with a care-of-address. This is the mechanism provided by Mobile IP. Mobile IP is well suited for macro-mobility, but it suffers delays when performing micro-mobility. Due to the shortcomings in Mobile IP, another mobility management protocol is proposed, called Micro-Mobile IP. It considers paging, which is not taken into account by Mobile IP, and the regional registration draft presented by the IETF. A signaling cost analysis is presented in order to justify, and prove, the enhancements needed in Mobile IP. Through simulations, the protocol's weaknesses and possible improvements are shown.
Students Conference, 2002. ISCON '02. Proceedings. IEEE (Volume:1 )
Date of Conference: 16-17 Aug. 2002