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DATAPAC is Canada's packet switched X.25-equivalent data network. Operated first by Trans-Canada Telephone System[1], then Telecom Canada, then the Stentor Alliance, it finally reverted to Bell Canada when the Stentor Alliance was dissolved.[2] In computer networking and telecommunications, packet switching is a communications paradigm in which packets (messages or fragments of messages) are individually routed between nodes, with no previously established communication path. ...
X.25 is an ITU-T standard protocol suite for WAN networks using the phone or ISDN system as the networking hardware. ...
A computer network is a system for communication among two or more computers. ...
The Stentor Alliance is a formal alliance of Canadas major telecommunications companies, specifically its incumbent local exchange carriers. ...
Bell Canada Enterprises (TSX: BCE, NYSE: BCE), legally BCE Inc. ...
Current use
One of the current uses of DATAPAC network is to transmit debit card transactions between retailers and the financial institutions (banks) through the Interac Direct Payment EFTPOS network. Some automatic teller machines also use the DATAPAC network.[3] // Look up network in Wiktionary, the free dictionary. ...
A debit card is a plastic card which provides an alternative payment method to cash when making purchases. ...
A financial institution acts as an agent that provides financial services for its clients. ...
EFTPOS (Electronic Funds Transfer at Point of Sale) is a device by which sales transactions can be directly debited to the customers bank account at the point of sale, through the use of a debit card (sometimes the same card used with Automatic Teller Machines). ...
Outdoor ATMs may be free-standing, like this kiosk, or built into the side of banks or other buildings. ...
It's also used to transmit lottery ticket numbers that are purchased by customers. A lottery is a popular form of gambling which involves the drawing of lots for a prize. ...
Types of connections - DATAPAC 3101 connections were made by POTS dial-up modems
- DATAPAC 3201 connections were made by using leased line connections
Plain old telephone service, or POTS, are the services available from analogue telephones prior to the introduction of electronic telephone exchanges into the public switched telephone network. ...
In telecommunication, the term dial-up has the following meanings: Dial-up access, typically to the Internet A service feature in which a user initiates service on a previously arranged trunk or transfers, without human intervention, from an active trunk to a standby trunk. ...
A modem (a portmanteau word constructed from modulator and demodulator) is a device that modulates an analog carrier signal (sound), to encode digital information, and that also demodulates such a carrier signal to decode the transmitted information. ...
A leased line is a (usually) symmetric telecommunications line connecting two locations together. ...
Future use With the advent of lower-cost WAN technologies like IP/MPLS, the importance of DATAPAC has diminished in the marketplace. Bell is in the process of phasing out support for DATAPAC.[4] A wide area network or WAN is a computer network covering a wide geographical area, involving a vast array of computers. ...
IP may mean- IP (complexity) or Interactive Polynomial-time, a particular complexity class of languages that have interactive proofs IP address (Internet Protocol address), a computer network address Ip, a Chinese family name, represented by 葉 Ip, Sălaj, a village in Romania Image processing Internet Protocol, the computer networking protocol...
MPLS is a common abbreviation for Multiprotocol Label Switching. ...
See also Telenet is the largest provider of broadband cable services in Belgium. ...
Italic textTymnet was an international data communications network headquartered in San Jose, CA that utilized circuit switched technology and used X.25, SNA/SDLC, BSC interfaces to connect host computers (servers)at thousands of large companies, educational institutions, and government agencies. ...
References - ^ http://www.cdnpay.ca//publications/pdfs_publications/dingle_book.pdf
- ^ http://www.thecanadianencyclopedia.com/index.cfm?PgNm=TCE&Params=A1SEC816780
- ^ http://www.inetco.com/case_studies/calypso.html
- ^ http://enterprise.bell.ca/en/resources/uploads/pdf/MPLS_EN.pdf
External links - [1] : Canadian Banknote Company: An example of a Datapac 3201 modem produced by CBC's WANN Connection Devices division.
- [2] - Phrack Magazine: A discussion about the DATAPAC network
- [3] - Another discussion about the DATAPAC network
- [4] - Eicon: Conversion equipment for Datapac 3101 and 3201 hardware
- [5] - Precidia: Another DATAPAC conversion box
- [6] - SANS: Security considerations for using networks like Datapac
- [7] - University of Waterloo: How DATAPAC was used in the university setting
- [8] - Comments about using DATAPAC to access Compuserve circa late-1980s
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