Transpac, also written TRANSPAC, was a Frenchpublic data network that operated from the December 1978 to June 2012.
The network was opened in December 1978 by the semi-public Transpac society. It offered theX.25 interface to its users, theCCITT standard of 1976 in which computer scientists of theCentre national d'études des télécommunications (CNET) had played a major role. This network was part of the worldwide X.25 network which, before the Internet, permitted data exchanges around the planet.[1]
Initially created for professional customers, it was later used by millions of French terminalsMinitels to access consumer applications, forerunners of those of the Internet.[1]
In 1987, Transpac was the world's largest publicpacket-switched network with revenues of nearly $400m.[2] Minitel videotex services accounted for 45% of its data and 20% of its $678m revenue in 1990.[3] By 1991, it was operating in fifteen European countries.[4]
France Télécom closed theMinitel service, and the Transpac network via which it was available, in June 2012.[5]
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