2. The networks
The development of teletransmission networks and their international interconnection have been key factors in the use of telematics (teletransmission and data processing), enabling remote online access at lower cost than the ordinary telephone network.
2.1 Sales networks
The situation of recent years, with the monopoly of interconnected national public networks, has been rapidly modified by European deregulation of teletransmission.
While in France, the Transpac network ensures data transmission between the user's workstation and the server computer, the international situation is different, with the involvement of private operators:
or access via Transpac and the packet-switching International...
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The networks
The servers
Economic data
1. Costs and pricing of online databases
The costs of using online databases correspond to the various stages involved in accessing information: telephone network, teletransmission network(s), server and databases.
1.1 Telephone networks and remote transmission
Apart from the basic telephone network unit (0.73 F), teletransmission costs depend on the networks used, the duration...
Bibliography
References
Database directories
Gale Directory of Databases. Vol. 1: Online Databases. January 1997, Gale Research.
Répertoire des banques de données professionnelles. 15th edition, 1996, ADBS, Paris, 783 p.
Répertoire des banques de données Télétel pour l'entreprise....
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