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Disadvantages. Extranets can be expensive to implement and maintain within an organization (e.g., hardware, software, employee training costs), if hosted internally rather than by an application service provider. Security of extranets can be a concern when hosting valuable or proprietary information.
Schematic depicting an intranet. An intranet is a computer network for sharing information, easier communication, collaboration tools, operational systems, and other computing services within an organization, usually to the exclusion of access by outsiders. [1] The term is used in contrast to public networks, such as the Internet, but uses the ...
Intranets and extranets can be securely superimposed onto the Internet, without any access by general Internet users and administrators, using secure Virtual Private Network (VPN) technology. Journals and newsletters. Open Computer Science (open access journal) See also
Distributed database. A distributed database is a database in which data is stored across different physical locations. [1] It may be stored in multiple computers located in the same physical location (e.g. a data centre); or maybe dispersed over a network of interconnected computers. Unlike parallel systems, in which the processors are tightly ...
Midrange computers, or midrange systems, were a class of computer systems that fell in between mainframe computers and microcomputers. [failed verification]This class of machine emerged in the 1960s, with models from Digital Equipment Corporation (PDP line), Data General (), Hewlett-Packard widely used in science and research as well as for business - and referred to as minicomputers.
Library and information science. Knowledge management ( KM) is the collection of methods relating to creating, sharing, using and managing the knowledge and information of an organization. [1] It refers to a multidisciplinary approach to achieve organizational objectives by making the best use of knowledge. [2]
t. e. Internet access is a facility or service that provides connectivity for a computer, a computer network, or other network device to the Internet, and for individuals or organizations to access or use applications such as email and the World Wide Web. Internet access is offered for sale by an international hierarchy of Internet service ...
Collaborative software is a broad concept that overlaps considerably with computer-supported cooperative work (CSCW). According to Carstensen and Schmidt (1999), [2] groupware is part of CSCW. The authors claim that CSCW, and thereby groupware, addresses "how collaborative activities and their coordination can be supported by means of computer ...