In order to observe the traffic on the network, it is necessary to first determine who is sending the data that is source and the destination, because the traffic takes place between the client and the server. Traffic analysis is performed using a network traffic analyzer. During the analysis, care must be taken with the network itself so that there is no interruption and thus the loss of the packet being sent. By using such an analyzer, the process itself seems quite convenient, easy and understandable to any user who uses it. Another advantage of this analyzer is that it is free for anyone who wants to use it. The topic of this thesis is communication protocols for augmented and virtual reality services. The introductory part describes the concepts of augmented and virtual reality and their history and development. Also it is described the Microsoft Hololens system and its architecture, the main features and components that make it up. In the practical part, the data transfer analysis of the Hololens 2 device was performed using a network protocol analyzer. Finally, the obtained results are presented. The network protocol analyzer is quite practical for all users as it ensures speed, reliability and accuracy of data transfer. The software provides a lot of tools where one can observe a particular package at a particular time. It provides detailed traffic analysis and is the best and most efficient online troubleshooting tool. It is available for multiple platforms: Windows and Unix.