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Fast Mobile IPv6 Handover Using Link and Location Information
Mahmud Mansour, Mohamed Alnas
Pages - 174 - 184     |    Revised - 31-05-2015     |    Published - 30-06-2015
Volume - 9   Issue - 3    |    Publication Date - May / June 2015  Table of Contents
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KEYWORDS
Mobile IP, Link Layer Information, Global Position Systems, Fast Handover, Handover Latency, Packet Loss.
ABSTRACT
There are two causes of latency in mobile handover: the move detection latency and registration latency. This delay is inherent in the round-trip incurred by Mobile IP as the registration request is sent to the home agent and the response sent back to the foreign agent. Throughout the time between Mobile Node (MN) leaving the old foreign network (oFN) and Home Agent (HA) receiving the MN registration message, HA does not know MN's latest Care of Address (CoA), and therefore it still forwards the packets destined for MN to the old foreign network. These packets will be discarded and lost.

This paper present an improved link layer mechanism with Location information Provider. Global position systems GPS used to assist FMIPv6 for fast handovers and reduced packet loss during handover. We introduce a new link layer combined with Location information Provider signalling in this algorithm accordingly. Further, we report the implementation details performed through simulations.

Therefore, link layer information and Location information Provider allows an MN and FAs to predict the loss of connectivity more quickly than the L3 advertisement based algorithm. The simulations evidence performance improvements in terms of latency and packet loss. It is also shown that by enabling Location information Provider inside the FA discovery method and improving link layer event services, an MN can be well prepared for handover and perform faster movements.
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Associate Professor Mahmud Mansour
Mahmud Faculty of Information Technology Department of Network Engineering Tripoli University Tripoli, Libya - Libya
mansour30@hotmail.com
Dr. Mohamed Alnas
School of Informatics, Mobile Computing Network and Security Research Group University of Bradford Bradford, UK - United Kingdom