Describes a proposed Multimedia On-Demand (MMOD) system architecture that will support MMOD network services and will have the ability to solve presentation synchronization problems caused by either transmission line delay or any mismatch between the data transmission rates or the different parts of the system. (Contains nine references.)…

Notes that research on the use of networked information resources, like any kind of social science involving the study of human subjects, raises ethical questions. The tension between traditional research guidelines and new technologies is discussed; public/private distinctions and informed consent are addressed; and possible solutions are…

Describes a vision of the NREN (National Research and Education Network) as a set of public interest user organizations existing within the framework of the larger National Information Infrastructure to provide public information services that are the responsibility of government. The role of the private commercial sector is also discussed.…

Discusses the architecture of a global hypermedia information and communication system designed to operate through the Internet that is being developed at the Graz University of Technology (Austria). Topics addressed include clients and servers; distributed hypertext; link server protocol; document cache servers; and applications of the global…

Describes the Grace project's Group Communication Service which was developed to function in an Open Systems Interconnection global networking environment to aid in computer-supported cooperative work. A conceptual model of group communications is presented, system architecture and system navigation are explained, and two prototype activities are…

Proposes the use of a special purpose drop-in firewall/VPN gateway called Sieve, that can be inserted between the mobile workstation and the network to provide individualized security services for that particular station. Discusses features and advantages of the system and demonstrates how Sieve was used in various application areas such as at…

Discusses policy decisions that led to the privatization and commercialization of NSFnet; explains the roles of IBM, MCI Communications, and ANS (Advanced Network and Service); and suggests the role that the federal government should take to ensure that the NREN (National Research and Education Network) addresses issues of public access and…

In peer-to-peer systems, the lack of dedicated links between constituent computers presents a major challenge. Discusses the problems of distributed database operation with reference to an example. Presents two statistical selection algorithms-one for the intranet with broadcast/multicast facilities, the other for Internet without…

Discusses the development and impact of broadband ISDN (Integrated Services Digital Network) on global telecommunications and society. Issues covered include regulatory policies, ownership and control, content regulation, home access, rural versus urban access, pricing, user groups, barriers, and privacy. The need for greater public involvement is…

Describes the proposed Blacksburg Electronic Village project, a prototype community telecommunications network which delivers network services to an entire Virginia town. Possible educational, business and professional, civic, and quality of life uses are suggested. The importance of concentrating on applications and user services instead of…

Outlines the development of an independent, nonprofit online community information network. Governance, information services, Internet access, development and funding, and partnerships are discussed. Community networks as local platforms for pilot projects and their value as local coalitions are explored. Sample menus and screens are included.…

Moving corporate systems onto an intranet will increase the data traffic within the corporate network, which necessitates a high-quality management process to the intranet. Discusses costs and benefits of adopting an intranet, tool availability and selection criteria, and management issues for developing an intranet. (Author/AEF)

Users of telecommunications networks are concerned about privacy, and desire anonymous access, while some organizations are concerned about how this anonymous access might be abused. Proposes a solution for revocable anonymous access to the Internet. Presents some legal background and motivation for such a solution. Indicates some difficulties and…

Describes how the Commerce Department's Economic Bulletin Board has been linked to the Internet to further the dissemination of government information. Topics discussed include network services; operational constraints; technical issues; costs; identifying potential customers and their information needs; and future plans. (Contains six…

Addresses the opportunities offered by the Web to marketers. Considers the Web as a two-way communication model in which four different communication states can take place. Suggests the necessity of new concepts and models for marketers to manage their Web sites, and presents opportunities supporting the marketers' objectives in the new…