Mathematical model for searching the optimal resources size for the virtual service node
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Abstract
In the article the work of the on-line charging system namely the functioning of the Diameter-server is investigated. Considered the possibility of expanding the system of service by attracting additional computational resources organized according to the cloud technology. The purpose of the study is to calculate the optimal parameters of the service server, namely computing resources such as operational and disk memory, processor time, resource of the input and output system, to service the billing request flows at a given level of quality, such QoS parameters as control of losses and delays in maintenance. Conclusions. The mathematical model of the task of choosing the power of the servicing device, where maintenance is carried out at a given level of quality, is proposed. Unlike the existing load balancing approaches, when additional maintenance devices are added between the queue balancing, to provide increased load, the proposed model allows for the scalability of the resources of service nodes built on cloud computing technology to be taken into account. The proposed model allows to calculate the parameters of the Diameter-server for servicing the input stream and to provide a reduction of the average delay in service of the request and minimize the losses associated with the overload server service.
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References
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