Much of our critical infrastructure is controlled by large software systems whose participants are distributed across the Internet. As our dependence on these critical systems continues to grow, it becomes increasingly important that they meet strict availability and performance requirements, even in the face of malicious attacks, including those…

World Wide Web browsers are compared by speed, setup, hypertext transport protocol (HTTP) handling, management of file transfer protocol (FTP), telnet, gopher, and wide area information server (WAIS); bookmark options; and communication functions. Netscape has the most features, the fastest retrieval, sophisticated bookmark capabilities. (JMV)

Describes the use of "Graphical" Jogthrough method for evaluating the user-interface design of the Network Simulator, an educational simulation program that enables users to virtually build a computer network, install hardware and software components, make necessary settings, and test the functionality of the network. Presents evaluation results…