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 email 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 periodicals archive ?
They are far from perfect--for example, EMC, HDS and LSI gateways can only store data on arrays from the same vendor, and IT managers require the server interfaces to look at file-level data on the SAN.
OpenRG speeds development of these gateways with a modular architecture that includes application programming interfaces (APIs) for a wide range of popular services and functions, including IPTV, home media distribution, WLAN, firewall, VoIP, IP-Private Branch Exchange (IP-PBX), remote file access and parental control.
The Dialogic IP Media Gateway product line consists of turn-key appliance form factor units with a variety of PSTN and PBX interfaces, including the T1/E1 Media Gateways and the exclusive series of Dialogic PBX-IP Media Gateways.
DUBLIN, Ireland -- Research and Markets has announced the addition of Media Gateways product research to their offerings.
PMC-Sierra's residential gateway platform provides breakthrough performance and flexibility for our High-Speed Broadband CPE solutions," said Hong-Yuh Lee, President of Arcadyan, a provider of a full line of state-of-the-art access points, home gateways, embedded solutions and multimedia receivers and blasters.
The solution consists of a centrally deployed Veraz Controlswitch(TM), a programmable softswitch and service delivery platform, and I-Gate(TM) 4000 PRO media gateways deployed in Gateway Communications' own or customer networks throughout Africa.
Centralized Management and Administration: As customers deploy multiple Access Gateways for increased capacity, reliability and survivability, centralized administration improves IT efficiency.
LONDON -- Dedicated VoIP gateway manufacturer VegaStream today unveiled two additions to its product line: the Vega 5024 and Vega 5048 gateways, bringing the award-winning Vega 400 architecture into the VegaStream analog product line.
E[acute accent]With the Symantec Security Management System and the Symantec Event Manager and Advanced Manager for Security Gateways plug-in, Symantec Gateway Security 400 Series appliances offer the appropriate tools to allow enterprise customers to centrally manage hundreds or thousands of appliances via policy-based management.
With the announcement of the SG-HA we have now added STP functionality to our range of Signaling Gateways," said Barry Zuckerman, President of Adax Inc.
a leading provider of open solutions and services to carriers operating in emerging networks, and Excel Switching Corporation, a leading provider of carrier-class, open services platforms, media gateways, and media servers for communications networks, today announced the availability and successful deployment of a new next generation VoIP Gateway.
Caymas Systems today unveiled the first Identity-Driven Access Gateways.