Cost effective IP address monitoring system using PC/TCP packet driver specification

Pao Yue-kong Library Electronic Theses Database

Cost effective IP address monitoring system using PC/TCP packet driver specification


Author: Chu, Cheung-ki Jacky
Title: Cost effective IP address monitoring system using PC/TCP packet driver specification
Degree: M.Sc.
Year: 1998
Subject: Computer networks -- Management
TCP/IP (Computer network protocol)
Computer network protocols
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Electronic Engineering
Pages: vii, 123 leaves : ill. ; 30 cm
Language: English
InnoPac Record:
Abstract: Just like the high-way connecting cities and cities, computer networks are connecting millions of computers and computers users. These networks have become an infrastructure for many applications that now affect the daily lives of many people. For example, e-mail and file interchange systems that let people exchange documents; distributed transaction processing systems that automate business transaction involving geographically distant sites; and access to and sharing of remote database, files, and computing resources. As such an important infrastructure, the computer network needs to be monitored. The correct operation of a computer depends on a great many complex components all working at the same time. Networking technology is also based on a large number of different interfaces and protocols. This distributed and heterogeneous nature of computer networks makes its monitoring very complicated. In recent years, the Internet protocol suite has become the most popular industrial standard. This family of protocols; also widely referred to TCP/IP Protocols (Transport Control Protocol/Internet Protocols), was developed under the sponsorship of the U.S. Defense Advanced Research Projects Agency (DARPA) [8]. The academic community and many other institutions have supported the Internet to foster communication among researchers. Because of its wide deployment, and "openness", a large number of applications have been developed to use this protocol suite. With the convenience given by TCP/IP protocols, a lot of troubles are also introduced in monitoring a network. On the network layer, each machine is identified by its IP address. However, it is left for the higher layer to check whether a particular machine is using a correct IP address. In this project, a IP address network monitoring system has been developed. The objective is to develop an application program which can monitor the improper usage of IP address within a department; and possibly further improve the network performance of that department. The external monitor model is used as the monitoring model for the IP address network monitoring system. The reasons are: i. no specify management protocol is required while using the external monitor model. ii. the monitor system is external and it does not interfere the real traffic on the network. iii. the monitor system is a dedicated hardware and it does not to modify the existing network resources. iv. easy to upgrade. The functions of the IP address network monitoring system include "Sensing" - network interface, "Filtering" - to capture selected packets, "Collecting" - packet buffering and "Reporting" - data logging.

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