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 ?
Back and forth along the slippery highway the tide of battle surged, but never once was the gateway to Kaol really in danger.
Anybody can shove," said the footman, and also began working his elbows to such effect that he pushed Petya into a very filthy corner of the gateway.
I brought it to the Emerald City myself, and all who pass beneath this gateway are both loving and beloved.
So Jack rode the Saw-Horse through the gateway into a little room built into the wall.
Evidently satisfied, he issued a few words of instruction to those behind him, whereupon half the warriors returned to the interior of the building, while the other half followed the man stealthily through the gateway where they crouched low among the shrubbery in a half circle just north of the gateway which they had left open.
The lightning was so incessant that they easily found their way through the gateway and into a shed, where they hitched and unharnessed their team.
Loud shrieked the brazen bugles from keep and from gateway, and merry was the rattle of the war-drum, as the men gathered in the outer bailey, with torches to light them, for the morn had not yet broken.
I sit at the gateway for every rogue, and ask: Who wisheth to deceive me?
He found that if he sat with the main door open he would enjoy the passing society of all comers to and fro by the gateway, and would have light enough.
He lived at the last house in Bleeding Heart Yard, and his name was over a little gateway.
He was turning out of the gateway when he accidently stumbled against a tall man wrapped in a cloak, who was at that moment coming out of the inn door.
The moon was shining down upon the old gateway of the town, leaving the low archway very black and dark; and with a mingled sensation of curiosity and fear, she slowly approached the gate, and stood still to look up at it, wondering to see how dark, and grim, and old, and cold, it looked.