Implementing Extranets: The Internet as a Virtual Private Network
How to lay the groundwork for extranet applications.
TABLE OF CONTENTS Implementing Extranets: The Internet as a Virtual Private Network
Chapter 4: Access Solutions for Extranets
Chapter Objectives
The objectives of this chapter are to discuss and explore the following solutions to the problems of extranet access as defined in an earlier chapter. We discuss:
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The explosion occurring in Internet and extranet access.
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The reasons why people want remote access to the enterprise via an extranet and how they justify their need to management.
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The two primary types of remote access to the extranet. 1. Remote dial up access. 2. Extending the LAN to the small office home office via routers and bridges with Ethernet connections.
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Enterprise class solutions with multiple channels or connections per port.
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Management of access options in terms of automated ping, automated dial up, and automated build up and tear down of connections.
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Hybrid vs. dedicated hardware and software systems for remote access.
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Tunneling, bandwidth control, and security protocols such as L2FP, L2TP, PPTP, PAP, CHAP, MLP, MLP+, BACP, and IPSec.
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Different security paradigms such as what the user knows, what the user has, and unique user identifier systems for controlling and managing remote access.
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Synchronization of user lists on network access servers and home gateways.
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The business benefits and risks of remote access to the enterprise via the extranet.
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The challenges and solutions to remote access presented by going international or global including issues of personnel security, physical security of hardware and software, encryption/decryption laws, differing legal systems, and competitive environments.
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A case study.
Note that a solution to extranet access challenges and problems is a combination of several different elements...
Copyright Butterworth-Heinemann 1998 under license agreement with Books24x7
