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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.
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 (), and Hewlett-Packard widely used in science and research as well as for business - and referred to as minicomputers.
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 ...
Intranet strategies. In business, an intranet strategy is the use of an intranet and associated hardware and software to obtain one or more organizational objectives. An intranet is an access-restricted network used internally in an organization. An intranet uses the same concepts and technologies as the World Wide Web and Internet.
Virtual private network. A virtual private network ( VPN) is a mechanism for creating a secure connection between a computing device and a computer network, or between two networks, using an insecure communication medium such as the public Internet.
An Inter-organizational system is an information system shared by one or more suppliers and customers. Organizations might pursue an interorganizational system for the following reasons: Reduce the risk in the organization. Pursue economies of scale. Benefit from the exchange of technologies. Increase competitiveness. Overcome investment barriers.