This overview of network-related technologies covers network elements, analog and digital signals, transmission media and their characteristics, equipment certification, multiplexing, network types, access technologies, network architectures local-area network technologies and attributes, protocols, internetworking, fiber optics versus satellites,…

Reviews the development and growth of the ARPANET, a wide-area packet switching network initiated by the U.S. Department of Defense in 1969. Evolution of the ARPANET into the DARPA (Advanced Research Projects Agency) Internet in the 1970s and current uses of the internet are discussed. (16 references) (MES)

Describes 48 journals and services of significant value for maintaining current awareness of trends and developments in telecommunications under following headings: Telecommunications Policy, General Telecommunications Industry and Market Information, International Communications, Law and Legislation, Bibliographies, Data Communications,…

This overview of the OCLC telecommunications network discusses: its scope and applications, user demographics, the system architecture, access, costs, protocols, maintenance, vendor relationships, performance data, and network engineering. (13 references) (MES)

History of electronic mail services (EMS) includes characteristics and potential. Factors to consider in selecting an EMS and means of communicating with different types of systems are discussed with emphasis on software for personal equipment and use of an interconnection service agency. Features of International Electronic Mail Services, Inc.,…

Discusses the need for standards allowing computer-to-computer communication and gives examples of technical issues. The seven-layer framework of the Open Systems Interconnection (OSI) Reference Model is explained and illustrated. Sidebars feature public data networks and Recommendation X.25, OSI standards, OSI layer functions, and a glossary.…

Vendors implementing Standard Network Interconnection (SNI) protocols for computer to computer communications can now test their implementation against the Linked Systems Project/SNI Test Facility developed by Library of Congress. The facility is intended to verify correct functioning of SNI protocols for Open System Interconnection (OSI) layers.…

Compares two major types of electronic mail systems--node-to-node networks (messages are sent directly from one terminal to another with functions handled locally at each node) and computer based message systems (terminals communicate directly with host computer using access to functions of large computer). Information sources are noted. (EJS)

This article examines fiber optic technology, explains some of the key terminology, and speculates about the way fiber optics will change our world. Applications of fiber optics to library systems in three major areas--linkage of a number of mainframe computers, local area networks, and main trunk communications--are highlighted. (EJS)

Summarizes the recommendations of the Computer Network Study Planning Group formed by the Office of Science and Technology Policy under the provisions of PL99-383 to study the networking needs of the nation's academic and federal research computer programs. The benefits and importance of the recommended National Research Network are discussed.…

Offers suggestions for etiquette or rules of conduct when using electronic mail systems (EMS) based on experience utilizing EMS for intraorganizational communication in Carnegie-Mellon University Libraries. Transfer of information, democratization of workplace, antisocial abuse, access and learning, privacy, accounts, salutations and conclusions,…

This overview of the telecommunications environment discusses: (1) influences of technology, economics, politics, and government; (2) legal separations and jurisdictions; (3) pricing policies; and (4) bypass of local facilities. Probable changes and impacts on national and local information servers, local telecommunications carriers, and…

A compact atlas--"Information Highways: Mapping Information Delivery Networks in the Pacific Northwest"--provides a model for assimilating large volumes of information dealing with generic topics. It combines data and information blocks with information technology graphics blocks and maps showing the actual locations of information…

Defines and discusses the equipment and software needed to start telecommunicating: modems (speed, autodial or manual dial, stand-alone or built-in), telephones, telecommunications software, and commercial information services, including electronic mail and bulletin boards. Definitions, communications protocols, equipment features, and costs are…

An online system designed to help global environmental research, the electronic research system called Eco-Link draws data from various electronic sources including online catalogs and databases, CD-ROMs, electronic news sources, and electronic data subscription services to produce briefing booklets on environmental issues. It can be accessed by…