SECURITY IN DATA-NETWORKS

The explosive growth of data networks and their commercial application is driving the need for improved security. This paper aims to raise a wareness of the features of secure data networks and the role that enc ryption plays in this context. An overview of data network security is provided by examining a number of currently available technologies, a nd how they may be combined to provide a secure network. This is illus trated by a review of existing and proposed encryption services offere d by BT/Concert. Taking a glimpse into the future, the ATM Forum's pro posals for security in ATM networks are summarised.