Purpose - improvement of the multimedia service quality control method for mining enterprises' corporate networks with Multiprotocol Label Switching (MPLS) technology. Improvement of the multimedia service quality control method in MPLS is carried out by applying algorithmic modeling methods and elements of the operational research methods. Quality of Services (QoS) control method in MPLS was improved. It is able to configure quality indicators by changing the policy for handling packets of a given type. The method can also change service class by rewriting the Differentiated Services Code Point (DSCP) in the packet header within the acceptable service classes. Multimedia service quality control procedure in MPLS has been developed using an improved method. The improved method of multimedia service quality control in MPLS, unlike known ones, allows configuring values of quality indicators within the acceptable service classes depending on QoS requirements for packets of a certain type. It also allows the service providers to predict the necessity of network development. According to the calculation results, application of the improved method of multimedia service quality control in MPLS provides the QoS increase by more than 3 % even in case of changing only two quality indicators out of 22.

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