UDC 681.3.07
ESTIMATION OF THE POSSIBILITY TO PROVIDE GUARANTEED DATA RATE FOR A CLIENT IN SOFTWARE-DEFINED OPTICAL NETWORK
Yu. L. Leokhin, Dr. Sc. (Tech.), full professor, full professor, deputy-rector for Scientific Work, MTUCI, Moscow, Russia;
orcid.org/0000-0003-3321-4497, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
T. D. Fatkhulin, Senior Lecturer of the Dpt. of MC and IT, MTUCI, Moscow, Russia;
orcid.org/0000-0003-0998-1055, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
The problem of estimating the possibility of providing a guaranteed data rate (Bandwidth on Demand service) to a client in Software-Defined Optical Networks (SDON) is considered. The aim is to find the main indicators of the quality of service of call flows in the SDON. The relevance of the work is due to the growing interest in «cloud» online-services, requiring guaranteed bandwidth for their work on demand. It is proposed to estimate the quality of service using the share of blocking calls and the math model of a multiservice network using the sifted load method. A system of implicit equations is solved to find the share of blocking calls. The required values are experimentally determined for the generalized network structure. The results make it possible to determine with high accuracy the possibility of providing the Bandwidth on Demand service.
Key words: multiservice telecommunication network, service, software-defined optical network, guaranteed data rate, share of blocking calls, channel resource, flow of calls, mathematical model, method.