Direct Evaluation of Required Capacity for ATM Multiplex

Document type: Miscellaneous
Author(s): Markus Fiedler
Title: Direct Evaluation of Required Capacity for ATM Multiplex
Translated title: Direkt uträkning av erforderlig kapacitet för ATM multiplex
Type of publication: COST 257 Technical Document 257TD(98)27
Year: 1998
Organization: Blekinge Institute of Technology
Department: Department of Telecommunications and Signal Processing (Institutionen för telekommunikation och signalbehandling)
Department of Telecommunications and Signal Processing S-372 25 Ronneby
+46 455 38 50 00
Authors e-mail: markus.fiedler@bth.se
Language: English
Abstract: Required capacity may be used in Connection Admission Control, Network Resource Management or for purposes of planning and dimensioning. From the well-known loss probability formula for the bufferless fluid ow model, an implicit formula for the required capacity for a given QoS per connection may be derived which turns
into a closed formula when it is evaluated in a special way. This formula, whose complexity is comparable to that of the original loss probability formula, allows for a
quick and exact evaluation of required capacity. Differences to other possibilities of required capacity evaluation are shown, and potential problems affecting the use of the formula are discussed. Finally, the suitability of the equivalent bandwidth in COST-242 for required capacity evaluations is demonstrated.
Summary in Swedish: Ett sätt att räkna ut erforderlig kapacitet för dimensionering av datanätverk presenteras. Tjänstekvalitet, dimensionering, flödesmodell
Subject: Telecommunications\Fluid Flow Models
Telecommunications\Modelling of Bursty Traffics
Telecommunications\Traffic Control in ATM Networks
Keywords: Quality of Service, dimensioning, bufferless fluid flow model
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