Chapter 9: Network Connectivity

Chapter 9: Network Connectivity

Overview

This chapter describes the different ways in which you might need to interconnect your network platforms, network protocols, and operating systems. A main problem is likely to be the mix of network protocols. Your mail server works with the TCP/IP protocol, but your existing network might run NetBEUI (under Microsoft), SPX/IPX (under Novell), or another networking protocol. To add confusion, your LAN server might be based on Novell NetWare and your mail server on Microsoft NT or UNIX.

If you want to use the mail server as a gateway for network user access to the Internet, then the workstation operating system will become an important factor: Should you install TCP/IP onto the workstations, together with any existing network protocol or should you limit the functions that a user can carry out (for example, just e-mail that does not need TCP/IP on the workstations)?

Many books cover the subject of internetworking different protocols and operating systems in great depth, so in this chapter I hope to show you how to set up links that are useful for an e-mail server connected to a LAN. In practice, this means considering connections between Windows NT to Novell NetWare, Windows NT to UNIX,

Windows to a TCP/IP server, and Windows to a mainframe server. To round off the chapter, I include a section that describes the methods that you can use to provide connections between your LAN and the Internet.

Windows and Novell NetWare

Windows works well within a...

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Chapter 9: Network Connectivity

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