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INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : E.711
Title : User demand modelling
Study Group : II - Network Operation
Version : Revised
Date of adoption : 1991
Notes :
ISDN users have various needs for information transfer. The user
demand, as manifested in the user/CPE interface is characterized by
an arrival process and by a call duration and/or a quantity of
information attached to each arrival.
Through the mediation of the customer premises equipments (CPEs), user
demands are translated into call demands for specific
telecommunication services in the T interface. These call demands are
modelled in Recommendation E.711 to allow the characterization of the
traffic offered to the layers 1-3 of the ISDN.
Based on the call demand modelling, users will be characterized by
the generating process of their originating and terminating call
demands.
To order the complete text of this Recommendation, please use the
Order Form for ITU-T Recommendations. An electronic version of this
form is available on ITUDOC (Winword: UPI=ITU-5265; ASCII: UPI=ITU-2488).