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

Gateway

A passageway through a fence or wall; the structures at an entrance or gate designed for ornament or defense.

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.

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.

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.

gateway

(1) 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 e-mail gateway converts messages from one mail format to another. See IP gateway, proxy server, cable/DSL gateway, default gateway, media gateway, NAS gateway, wireless gateway, messaging gateway, signaling gateway, WAP gateway, softswitch, EGP, BGP and IGP.

(2) 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.

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

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

(5) See Gateway Computer.


References in classic literature ?
This enclosure, all green and gold and glittering with precious gems, was indeed a wonderful sight to greet our travelers, who first observed it from the top of a little hill; but beyond the wall was the vast city it surrounded, and hundreds of jeweled spires, domes and minarets, flaunting flags and banners, reared their crests far above the towers of the gateways.
As Turan had passed through the gateway into the city and taken his unhindered way along the avenue, twenty warriors had entered the city and closed the gate behind them, and then one had taken to the wall and followed along its summit in the rear of Turan, and another had followed him along the avenue, while a third had crossed the street and entered one of the buildings upon the opposite side.
The dirty gateway with the wind and rain whistling through it, and the basket of muddy potatoes waiting to be spilt again or taken up, never seemed the common hole it really was, when he looked back to it by these lights.
They were very near the end of their walk, and they now came out of the gateway to finish it.
He had a stick in his hand, and, when he had got clear of the shadow of the gateway, he leant upon it, looked back--directly, as it seemed, towards where she stood--and beckoned.
cried Quilp, looking up at the old gateway, and showing in the moonlight like some monstrous image that had come down from its niche and was casting a backward glance at its old house, 'faster
The staircase leading to the old woman's room was close by, just on the right of the gateway.
The West Wind reigns over the seas surrounding the coasts of these kingdoms; and from the gateways of the channels, from promontories as if from watch-towers, from estuaries of rivers as if from postern gates, from passage-ways, inlets, straits, firths, the garrison of the Isle and the crews of the ships going and returning look to the westward to judge by the varied splendours of his sunset mantle the mood of that arbitrary ruler.
Aricent Develops Multi-Service Business Gateway Alliance II-22
Figure 2: MSP7100 GE Home Router Residential Gateway Block Diagram
The Veraz solution has enabled Gateway Communications to link mobile networks cost-effectively across over 30 countries throughout Africa and to connect with their European gateway network.
Taiwanese Enterprise VoIP Gateway Shipment Volume, 1Q 2004 - 1Q 2006

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