Efren Serra

Date of Award


Document Type


Degree Name

Master of Science (MS)


Computer Science

First Advisor

Dr. Heshem El-Rewini


We consider the problem of examining the performance requirement for mo­bility support on the Internet as specified by the Internet Engineering Task Force (IETF) Mobile-IP protocol. In this thesis, we have designed, implemented, and utilized a discrete­event graphical simulation tool that provides a fundamental collection of building blocks and runnables, as well as a general environment for time­oriented simulations of communication networks that employ IPv4 or Mobile IP as the network layer protocol. The major goal of this graphical tool is to help communications network researchers answer "what if'' questions, which may also help them improve any potential shortcomings of the Mobile-IP protocol. Using this tool, we have conducted a number of experiments to study sev­eral interactions amongst the entities that comprise the Mobile-IP protocol. In particular, we studied the mo bile hosts-home agent interaction, the fixed host-home agent interaction, and the foreign agent-mobile hosts interaction.


A Thesis Presented to the Department of Computer Science and the Faculty of the Graduate College University of Nebraska In Partial Fulfillment of the Requirements for the Degree Master of Science University of Nebraska at Omaha. Copyright 1999 Efren Serra

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