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Network Enterprising

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Network Enterprising
Candidate:

Module: Enterprise Networking

Programme: BSc Information Systems

Case Study: Network Design for China Steel Ltd

Table of Contents

Introduction 3
Network Diagrams 3
Inter-Site Connections (WANS) 3 Leased Line 4 Circuit Switching 4 ISDN 4 Packet Switching 5 MPLS 5 VPN (Remote Access) 6
Inner-Site Connections (LANS) 6 Physical & Data Link Protocols 6 LAN Hardware Requirements 7 Layer 3 Protocols 8 IPv4 & IPv6 8 DHCP & DHCPv6 9
Server Requirements 9 Domain Controller 9 Exchange Server 10 Web Server (IIS) 10 Backup Server 11 Virtual Servers 11
Security & Disaster Recovery 11 Authentication 11 Backup System 12 Firewalls 13 Anti-Virus 13 Physical Security 13
References 14
Appendix A & B – Network Diagrams 15

Introduction

The purpose of this assignment is to design and recommend a full network infrastructure for China Steel Ltd, a steel works organisation in China. The company have plants in every province throughout the country but up to now each has worked in isolation. Due to recent procurement problems and other issues, the company would like to connect all sites to a network so that ordering of raw materials, distribution and reporting becomes easier. In particular the network should support:

▪ Inter centre communications ▪ Communications to all headquarters with sufficient mechanisms for large file data transfer. ▪ Access to the Internet (Telnet, FTP, HTTP) ▪ Facilities for remote interrogation of databases at remote sites ▪ Web Server and email systems ▪ Appropriate bandwidth and servers for streaming video, audio, etc ▪ Other applications necessary to deliver disaster relief

In each section of this report I will detail the methods and technologies chosen to support the above requirements. I will



References: Publications ▪ Computer Networks 2nd Edition, Philip Irving, 2005 ▪ ATM, TVU Handout (Colin Beeke) ▪ IPv6 at a glance, Cisco Systems, 2003 Websites ▪ www.wikipedia.org – ATM, MPLS, Leased Lines ▪ www.howstuffworks.com – circuit switching and packet switching Appendix A & B – Network Diagrams

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