Abstract
According to specifications, flexible services for traffic management should be implemented within the 5G platform in order to improve its efficiency, which is and will remain an actual task. For the first time, the article presented here proposes a mathematical model for the operation process of an e-commerce-oriented ecosystem of a 5Ge base station, the information environment of which supports the operation of independent virtual network segments that provide terminal–segment information interaction services. In contrast to existing models, the presented model describes the studied process as a multi-pipeline queuing system, the inputs of which are coordinated with the flows of requests for communication with the relevant virtual network segments. The distribution of the total resources between the weighted virtual network segments in the simulated system is dynamically conducted by the appropriate software control mechanism. It considers the address intensities of new incoming requests and the maintenance of received incoming requests, but throughout the scale of the information environment of the 5Ge base station ecosystem. Based on the created mathematical model, a functional algorithm for the forced termination of an active terminal–segment information interaction session in the overloaded virtual network segment and the control mechanism of the distribution of the released system resources between other virtual network segments that takes into account the degree of their overload are formulated. The simulation and computational experiments showed that the implemented forced termination algorithm and system resource management mechanism allow the 5Ge base station to continue receiving incoming requests despite the overload of individual virtual network segments. It is empirically shown that the proposed services are effectively scaled concerning the value that is generally available for the distribution of the number of system resources and the allocation method within the guaranteed amounts of system resources for individual virtual network segments.
Highlights
IntroductionThe networks and communication systems industry has seen an exponential increase in both the number of subscriber devices (intended, including for e-commerce) and the total amount of traffic transmitted by wireless channels in general-purpose communication networks
If: (2.1.1) The overloaded virtual network segment is found, the functional algorithm described in Section 3.3 is implemented, upon completion of which the control mechanism described in Section 3.4 redistributes the system resources and the system returns to stage (2); (2.1.2) If no overloaded virtual network segment is found, the system returns to the waiting stage for the event (1); (3)
Analyzing the first approximation of the graphs of functions Ds = f (C ) shown in Figure 3 for three virtual network segments (s1, s2, s3 ), which functioned for a censored time in the information environment of the studied ecosystem of the 5Ge base station, we can state that the probability of the loss of input requests decreases with increasing maximum available amounts of system resources
Summary
The networks and communication systems industry has seen an exponential increase in both the number of subscriber devices (intended, including for e-commerce) and the total amount of traffic transmitted by wireless channels in general-purpose communication networks. This trend will continue [1,2,3]. An increasing proportion of subscriber devices are mobile devices, which are already allocated to a specific ecosystem known as the Internet of Wearable Things (IoWT) [3]. The list of IoWT device classes is constantly expanding and includes traditional smartphones and smartwatches, bracelets, augmented and virtual reality glasses, etc.
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