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SOA quality management subsystem on the basis of load balancing method using fuzzy sets with real traffic flows on an experimental testbed has been proposed. The model of the network that is under investigation has been built. This model allows to verify functioning of prognostic traffic engineering system with evaluation of QoS parameters when deploying MPQ. In this paper the model of cloud services that is based on adaptation of the logical structure in cloud systems during migration of virtual machines has been proposed. Here, the stability of the structure in the service plane taking into account physical hardware and server resources has been assessed and overall delay of the service in the cloud system has been decreased. The modified method to numerically measure the image QoE of IPTV service by using the QoS parameters measured in the network layer and the QoS/QoE correlation analysis results on the basis of load balancing method using fuzzy sets has been created.