gateway

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gateway

1. Computing hardware and software that connect incompatible computer networks, allowing information to be passed from one to another
2. Telecom. a software utility that enables text messages to be sent and received over digital cellular telephone networks
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

Gateway

A passageway through a fence or wall; the structures at an entrance or gate designed for ornament or defense.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

gateway

[′gāt‚wā]
(communications)
A point of entry and exit to another system, such as the connection point between a local-area network and an external-communications network.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

gateway

1. A passage through a fence or wall.
2. A frame, arch, etc., in which a gate is hung.
3. A structure at an entrance or gate designed for ornament or defense.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

gateway

(networking)
A deprecated term for a device that enables data to flow between different networks (forming an internet).

Preferred terms are "protocol converter" (connects networks that use different protocols), "router" (connects two broadcast networks at layer 3 (network layer). Another example is a mail gateway, which is a layer 7 (application layer) gateway.

gateway

(hypertext)
An interface between an information source and a World-Wide Web server. Common Gateway Interface is a standard for such interfaces. The information source can be any system that can be accessed by a program running on the web server. A typical example is a relational database.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

gateway

(1) A network device that provides access to the Internet for the home or small office. See cable/DSL gateway.

(2) A device that converts one protocol or format to another. A network gateway converts packets from one protocol to another. An application gateway converts commands and/or data from one format to another. An email gateway converts messages from one mail format to another. See IP gateway, proxy server, default gateway, media gateway, NAS gateway, messaging gateway, signaling gateway, WAP gateway, softswitch, EGP, BGP and IGP.

(3) A device that acts as a go-between two or more networks that use the same protocols. In this case, the gateway functions as an entry/exit point to the network. Transport protocol conversion may not be required, but some form of processing is typically performed. See proxy server.

(4) An earth station and computer complex that switches data and voice signals between satellites and terrestrial networks. See earth station.

(5) An earlier name for router. See router and layer 3 switch.

(6) See Gateway Computer.


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References in periodicals archive ?
Verizon is offering business customers the DSL Gateway as a new networking option with its Business DSL service.
The new DSL gateway integrates an ADSL modem, a router and a firewall and supports a wide range of configuration models.
In addition, using the same firmware units for the Cable, the DSL gateways and the accessories (PLC, IP cameras, access points, IAD, etc.) means lower training costs for hotliners, who can use a unique command line interface.
2Wire, Inc., a provider of intelligent DSL gateways, has extended wireless networks to more rooms and more homes with the launch of the HomePortal 1000HW and 1800HW products.