• A public data network (PDN) is a network established and operated by a telecommunications administration, or a recognized private operating agency, for...
    12 KB (1,367 words) - 11:19, 28 May 2025
  • Thumbnail for Computer network
    services were first deployed on experimental public data networks in Europe. In 1973, the French CYCLADES network, directed by Louis Pouzin was the first to...
    97 KB (11,568 words) - 21:49, 28 May 2025
  • a French public data network that operated from the December 1978 to June 2012. The network was opened in December 1978 by the semi-public Transpac society...
    3 KB (261 words) - 13:34, 18 March 2025
  • The public switched telephone network (PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony...
    14 KB (1,710 words) - 12:34, 24 May 2025
  • data into short messages in fixed format, i.e. packets, that are transmitted over a digital network. Packets consist of a header and a payload. Data in...
    161 KB (17,242 words) - 23:22, 22 May 2025
  • to establish a switched virtual circuit between public data networks (PDNs), connecting two network user addresses (NUAs). It consists of a maximum of...
    2 KB (214 words) - 05:43, 23 July 2024
  • Named Data Networking (NDN) (related to content-centric networking (CCN), content-based networking, data-oriented networking or information-centric networking...
    35 KB (4,511 words) - 17:41, 14 April 2025
  • Thumbnail for History of the Internet
    switching networks was underpinned by mathematical work in the 1970s by Leonard Kleinrock at UCLA. In the late 1970s, national and international public data networks...
    200 KB (22,324 words) - 17:55, 23 May 2025
  • Thumbnail for DataDirect Networks
    DataDirect Networks (DDN) is a privately held data storage company, and is headquartered in Chatsworth, California, USA. DDN provides storage systems for...
    12 KB (1,064 words) - 00:48, 19 December 2024
  • Thumbnail for X.25
    X.25 (category Network layer protocols)
    links. X.25 was popular with telecommunications companies for their public data networks from the late 1970s to 1990s, which provided worldwide coverage....
    40 KB (4,971 words) - 05:17, 22 April 2025
  • The Defense Data Network (DDN) was a computer networking effort of the United States Department of Defense from 1983 through 1995. It was based on ARPANET...
    6 KB (733 words) - 06:20, 24 January 2024
  • Telenet (category Computer networks)
    American commercial packet-switched network which went into service in 1975. It was the first FCC-licensed public data network in the United States. Various...
    13 KB (1,388 words) - 04:24, 22 April 2025
  • Thumbnail for Internet
    public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking...
    157 KB (16,652 words) - 04:32, 27 May 2025
  • network is a local area network (LAN) or wide area network (WAN), every LAN or WAN node that participates on the data link layer must have a network address...
    7 KB (806 words) - 13:47, 19 May 2025
  • on a computer network. Data in transit can be separated into two categories: information that flows over the public or untrusted network such as the Internet...
    2 KB (168 words) - 03:57, 20 May 2025
  • Thumbnail for OSI model
    standards, such as IBM's Systems Network Architecture and Digital Equipment Corporation's DECnet. Public data networks were only just beginning to emerge...
    54 KB (5,624 words) - 22:09, 25 May 2025
  • of the circuit-switched core network, used for traditional GSM services such as voice calls, SMS, and circuit switched data calls. It was extended with...
    22 KB (3,082 words) - 21:44, 20 February 2025
  • In data networking, telecommunications, and computer buses, an acknowledgement (ACK) is a signal that is passed between communicating processes, computers...
    6 KB (710 words) - 14:41, 4 April 2025
  • countries (or regions) by total road network size, both paved and unpaved. Also included is additional data on road network density and the length of each country...
    52 KB (1,008 words) - 08:07, 27 April 2025
  • Thumbnail for Network-attached storage
    Network-attached storage (NAS) is a file-level computer data storage server connected to a computer network providing data access to a heterogeneous group...
    20 KB (2,509 words) - 18:25, 16 May 2025
  • Thumbnail for Data access arrangement
    The term data access arrangement (DAA) has the following meanings: In public switched telephone networks, a single item or group of items at the customer...
    5 KB (523 words) - 20:56, 11 December 2023
  • Packet Switch Stream (PSS) was a public data network in the United Kingdom, provided by British Telecommunications (BT). It operated from the late 1970s...
    20 KB (2,630 words) - 12:40, 28 May 2025
  • Thumbnail for Cellular network
    public switched telephone network and public Internet access. In addition to traditional voice and data services, cellular networks now support Internet of...
    46 KB (5,539 words) - 12:55, 23 May 2025
  • Thumbnail for ARPANET
    and commercialization of an expanded worldwide network, known as the Internet. Historically, voice and data communications were based on methods of circuit...
    84 KB (9,178 words) - 08:39, 26 May 2025
  • of transporting data over a data network, based on packet switching and in which a connection is first established across the network between two endpoints...
    11 KB (1,462 words) - 00:13, 16 September 2024
  • In telecommunication, a public land mobile network (PLMN) is a combination of wireless communication services offered by a specific operator in a specific...
    4 KB (475 words) - 14:00, 22 January 2025
  • In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. They can, for...
    15 KB (1,956 words) - 10:40, 15 May 2025
  • unidirectional network (also referred to as a unidirectional gateway or data diode) is a network appliance or device that allows data to travel in only...
    21 KB (2,429 words) - 07:59, 26 May 2025
  • Data communication, including data transmission and data reception, is the transfer of data, transmitted and received over a point-to-point or point-to-multipoint...
    22 KB (2,519 words) - 07:56, 25 May 2025
  • Thumbnail for Wireless network
    A wireless network is a computer network that uses wireless data connections between network nodes. Wireless networking allows homes, telecommunications...
    32 KB (3,598 words) - 14:53, 25 May 2025