Quality Control for Mobile Communication Management Services in Hybrid Environment

Background. To date, the effectiveness of the use of virtualization technologies for the deployment of the organization's infrastructure of any complexity is beyond doubt. First of all, it is a gain due to the rapid deployment of the necessary infocommunication services, flexible scaling of the system without replacing the hardware server platform, which was purchased earlier and has a sufficient "estimated" resource. These approaches are commonly used by modern telecom operators to build their telecommunications networks or to expand the range of new services. In turn, the rapid development of virtualization technologies such as hypervisor-based technology for mutual isolation of virtual machines and container virtualization based on Docker, requires further research on the effectiveness of their use. Objective. The aim of the article is to determine the effectiveness of container virtualization and virtual machines. Methods. Creating a segment of the IP telephony network for testing the load of IP PBX (PBX) Asterisk on a virtual machine and container with test calls. Results. The share of CPU usage when using Elastix IP-based PBX based on a virtual machine is higher by an average of 5% of the container. Instead, the use of RAM is very different. In the case of virtual machines, it is several tens of times larger, which will obviously affect the operation of the system as a whole. Conclusions. The study showed that the use of IP PBX (PBX) Asterisk on a virtual machine compared to the container takes up more virtual server resources, but when loaded with simultaneous calls is less stable.

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“…It is located between the host server and the virtual machines and is required for server virtualization ( fig. 1) [5].…”

Section: Main Partmentioning

confidence: 99%

Evaluation of Productivity Virtualization Technologies of Switching Equipment Telecommunications Networks

Romanov

Nesterenko

Fesokha

et al. 2020

Information and Telecommunication Sciences

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“…For prediction of exceeding the permissible value λ we propose to use the method [7] consists of two stages: the calculation of the prediction interval based on the operation servicing node statistics and directly periodic forecasting of the load and the control of the sufficiency resources.…”

Section: Fig 2 Dynamic Flow Control Algorithmmentioning

confidence: 99%

“…Up-to-day technology use more and more Network Function [7] that is a functional unit within a network infrastructure that has clearly defined external interfaces and well-defined functional behaviour. In practice, a network function is today a network node or physical device.…”

Section: Introductionmentioning

confidence: 99%

Conditionally Infinite Telecommunication Resource for Subscribers

Globa

Skulysh

Siemens

2020

Advances in Information and Communication Technology and Systems

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Modern communication systems should provide the end user with a conditionally infinite telecommunication resource. To ensure guaranteed quality, services are combined into groups. A group of similar services with the same service process requirements is called a slice. Using software-defined networks (SDN) allows to deploy a management system slices and telecommunications resources that are allocated for their maintenance. This is possible only using the latest telecommunication technologies, and seamless user connection management. The article proposes an original methodology for managing the servicing streams process in network service providers tunnels. The methodology uses the allowable service node load calculation, overload prediction and live migration algorithms to seamlessly change the service node for the flow.

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“…In papers [6,11,12,15], the tasks and features of the protocols are considered, they are used to solve various problems in SDN networks. In works [13,14,16] described the functions of constructing elements of the SDN network and the order of their interaction in the process of streaming information. In works [17,18,19,20,21], the principles of constructing an optical transport network are considered and recommendations for ensuring the safety of their operation are given.…”

Section: Introductionmentioning

confidence: 99%

Research of SDN Network Performance Parameters Using Mininet Network Emulator

Romanov

Saychenko

Marinov

et al. 2021

ITS

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Background. The implementation of the new modern services on existing networks requires replacement or modernization of the old equipment. This negatively affects the efficiency of providing users with new types of services and their cost. Therefore, the issues/tasks of implementing SDN technology in the construction of networks are in the center of attention of representatives of science-research organizations and telecom operators. SDN networks have the advantages of flexible scaling of the system without replacing existing server and network equipment, eliminating operator dependence on specific vendor solutions, and rapid implementation of the new network technologies and services. To determine the numerical values of indicators of the functioning of SDN networks and check their compliance with the requirements, it is proposed to use in working process simulation modelling. For these goals, the Open Networking Foundation consortium developed the Mininet network emulator, the elements of that are published publicly. The formation of the simulation model and the procedure for determining the performance indicators of the SDN network that uses Mininet has a number of features that are considered in the work. Objective. The purpose of the article is to build a simulation model based on the Mininet network emulator and to determine the performance indicators of SDN networks of various structures/topologies. Methods. Creation of a SDN network segment for testing process of its functioning in the overload mode of various communication routes. Results. The Mininet network emulator allows simulating SDN networks of a rather complex structure, change the performance of network branches and the amount of load in communication routes, to create a network-wide overload mode. During the simulation, it is possible to determine a number of indicators of network performance, such as the RTT (Round Trip Time) parameter for each route of communication, the bandwidth of branches and routes of communication, the amount of delay on network elements, loading of OpenFlow Switch ports/interfaces, network elements with the highest delay, the number of served and lost packets. Conclusions. Use of the Mininet network emulator is a fairly convenient tool for determining the performance indicators of SDN networks. However, there are also some problems. First of all, setting up the system's operability requires writing programs to ensure the interaction among standard elements from the Mininet library. Secondone, is when congestion occurs in the communication routes, the Floodlight Controller does not automatically balance traffic along the work-around route. This task has to be solved manually by making changes to the OpenFlow Switch routing tables. Keywords: Software Defined Networking; SDN; Mininet; OpenFlow; Floodlight Controller; OpenFlowSwitch; NFV; virtualization.

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Quality Control for Mobile Communication Management Services in Hybrid Environment

Cited by 19 publications

References 19 publications

Evaluation of Productivity Virtualization Technologies of Switching Equipment Telecommunications Networks

Evaluation of Productivity Virtualization Technologies of Switching Equipment Telecommunications Networks

Conditionally Infinite Telecommunication Resource for Subscribers

Research of SDN Network Performance Parameters Using Mininet Network Emulator

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