Intranets: a Guide to their Design, Implementation and Management

Chapter 18Implementing an Extranet

Most of the disadvantages associated with using Intranet / extranet technologies generally apply, if the means of remote access is Internet-based. Most of these disadvantages are then related to the inherent security risks associated with the Internet, although an additional issue is that Internet-based connections are also prone to frequent occurrences of slow or reduced bandwidth. Security is gradually being tightened through the use of more sophisticated encryption and authentication techniques, firewalls and Internet tunneling (IP VPNs). If your organisation is still not comfortable with these methods, alternative networked services may be more attractive to give a greater level of security to your remote ...