Technologies on the horizon-voice vs. data: an estimate of future broadband traffic

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Abstract
A number of data and other services are examined, and the total digital traffic generated, compared to voice traffic in digital form, is estimated. The total yearly traffic generated by telephone calls is estimated. The total traffic in digital form is calculated for a number of data services involving terminals and the transmission of text in digital form as alphanumeric characters. Included are results for video telephones, data file transfers, electronic newspapers, information-age labor force, motion picture distribution, network television distribution, data generated by or about people, newspaper and periodical composition and airline reservations. It is found that the total is less than one third of telephone traffic. It is pointed out that telephone traffic dominates because a single call generates a very large amount of data.

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