Multicasting is a necessity for a broadband metro-area-network; however security problems exist with current multicast protocols. A stateful multicast access control mechanism, based on MAPE, is proposed. The architecture of MAPE is discussed, as well as the states maintained and messages exchanged. The scheme is flexible and scalable. (Author/AEF)

Describes GovDoc-L, a computer-based electronic mail information resource available to librarians and others interested in government information issues. Electronic mail network communication is discussed; the management software package called LISTSERV, which is used to maintain GovDoc-L, is explained; costs are considered; and subscribers are…

Traces the evolution of Open Systems Interconnection (OSI) from its genesis in 1978 and provides an overview of the various categories of standards, international standards organizations, the scope of standards, and the notations used to designate both the standards groups and the actual standards. (SD)

Discusses how various Open Systems Interconnection (OSI) application layer protocols can be used together, along with the Presentation and Session protocols, to support the interconnection requirements of applications. Application layer protocol standards that are currently available or under development are reviewed, and the File, Transfer,…

The edi conceptual model is being developed to define common structures, services, and processes that syntax-specific standards like X12 and EDIFACT could adopt. Open Systems Interconnection (OSI) is of interest to edi because of its potential to help enable global interoperability across Electronic Data Interchange (EDI) functional groups. A…

Describes the emergence of Open Systems Interconnection (OSI) as it relates to the U.S. Government Open Systems Interconnection Profile (GOSIP); defines GOSIP; and speculates about its future. Challenges facing GOSIP that are related to test policies and procedures, strategic and tactical planning, additional functionality, and international…

Describes the use of computer networks and integrated learning systems (ILS) in education. File servers are explained; operating system software is discussed; hardware differences between local area networks (LANS) and integrated learning systems are described; criteria for purchasing ILS are presented; and initial costs are mentioned. (LRW)

Presented is information about the National Science Teachers Association computer bulletin board, Science Line. Described are the features of the service and how teachers may gain access. (CW)

Describes several collaborative writing projects using electronic mail (e-mail). Notes that although most of these projects can be tried without computers, two of the barriers in the classroom--time and distance--are removed as a result of electronic communication links. (MM)

Describes the 14 winners of the 1989 EDUCOM/NCRIPTAL (National Center for Research to Improve Postsecondary Teaching and Learning) Higher Education Software Awards. Highlights include curriculum innovation, collaborative programs on computer networks, interactive video, hypermedia, an increase in humanities participation, and general trends in…

Reports on other schools' use of the Gallaudet University-developed ENFI (Electronic Networks for Interaction) computer method for teaching written English to deaf students, describing teachers' modifications of the use of the networks for improving students' use of English. (CB) (Adjunct ERIC Clearinghouse on Literacy Education)

Explores how the ENFI (Electronic Networks for Interaction) computer method for teaching written English to deaf students can help these students bridge the gap between conversational and written language forms, and between the use of two different languages. (CB) (Adjunct ERIC Clearinghouse on Literacy Education)

Describes the implementation of an electronic mail system at the University of Calgary Libraries, and reports the results of a survey that examined user satisfaction with the system and usage patterns by library staff. Suggestions for the successful implementation of electronic mail systems are offered. (CLB)

Describes the Local Area Network (LAN), a project in which students used LAN-based word processing and electronic mail software as the center of a writing process approach. Discusses the advantages and disadvantages of networking. (MM)

Constrained by limited funds but concerned about lack of access to the Internet, Mount Hood Community College (Oregon) opened an account for the business and computer technology division with a commercial provider. Lessons learned about usage hours, limitations, access, modem speed, telephone line usage, and training are detailed. (MSE)