In telecommunication

Telecommunication

Telecommunication is the transmission of information over significant distances to communicate. In earlier times, telecommunications involved the use of visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs, or audio messages via coded...

, the term remote access has the following meanings:

1. Pertaining to communication with a data processing
   Data processing
   Computer data processing is any process that a computer program does to enter data and summarise, analyse or otherwise convert data into usable information. The process may be automated and run on a computer. It involves recording, analysing, sorting, summarising, calculating, disseminating and...
   
    facility from a remote location or facility through a data link
   Data link
   In telecommunication a data link is the means of connecting one location to another for the purpose of transmitting and receiving information. It can also refer to a set of electronics assemblies, consisting of a transmitter and a receiver and the interconnecting data telecommunication circuit...
   
   . One of the more common methods of providing this type of remote access is using a VPN.
2. Remote desktop software
   Remote desktop software
   In computing, the term remote desktop refers to a software or an OS feature allowing applications, either command line programs or graphical applications, to be run remotely on a server, while being displayed locally. Remote desktop applications have varying features...
   
   
3. A PABX service feature that allows a user
   User (telecommunications)
   In telecommunications, a user is a person, organization, or other entity that employs the services provided by a telecommunication system, or by an information processing system, for transfer of information....
   
    at a remote location to access by telephone
   Telephone
   The telephone , colloquially referred to as a phone, is a telecommunications device that transmits and receives sounds, usually the human voice. Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other...
   
    PABX features, such as access to Wide Area Telephone Service
   Wide Area Telephone Service
   In U.S. telecommunications, a Wide Area Telephone Service is a long distance service offering for customer dial-type telecommunications between a given customer [user] station and stations within specified geographic rate areas employing a single telephone line between the customer user location...
   
    (WATS) lines.
4. RemoteAccess
   RemoteAccess
   RemoteAccess is a DOS Bulletin Board System software package written by Andrew Milner and was published by his company Wantree Development in Australia. RemoteAccess was written in Turbo Pascal with some Assembly Language routines. RemoteAccess began in 1989 as a clone of QuickBBS by Adam Hudson...
   
   is also the name of a DOS
   DOS
   DOS, short for "Disk Operating System", is an acronym for several closely related operating systems that dominated the IBM PC compatible market between 1981 and 1995, or until about 2000 if one includes the partially DOS-based Microsoft Windows versions 95, 98, and Millennium Edition.Related...
   
   -based BBS
   Bulletin board system
   A Bulletin Board System, or BBS, is a computer system running software that allows users to connect and log in to the system using a terminal program. Once logged in, a user can perform functions such as uploading and downloading software and data, reading news and bulletins, and exchanging...
   
    software.

Remote access can refer to remote desktop, remote terminal (like telnet) or any type of remote application (including remote browser).

For remote access, individual authorization

Authorization

Authorization is the function of specifying access rights to resources, which is related to information security and computer security in general and to access control in particular. More formally, "to authorize" is to define access policy...

credentials are usually required to optimalise safety and tracebility to the source.

Deployment models

Remote access is available with three models: hosting service, software and appliance.

External links

• White Paper on GoToMyPC Remote Access Solutions
• Cisco White Paper on 'Remote-Access VPNs: Business Productivity, Deployment, and Security Considerations'
• eWON White Paper on 'A Web Broker Architecture for Remote Access'