Abstract
Efficient allocation of radio access network (RAN) resources remains an important challenge with the introduction of 5G networks. RAN virtualization and division into logical subnetworks - slices - puts this task into a new perspective. In the paper we present a software tool based on the OMNeT++ platform and developed for performance analysis of a network slicing policy with SLA-based slice performance isolation. The tool is designed using the object-oriented approach, which provides flexibility and extensibility of the simulation model. The paper briefly presents the slicing policy under study and focuses on the simulators architecture and design. Numerical results are provided for illustration.
Highlights
Network slicing is a key next-generation networking technology that allows multiple virtual subnetworks to be built over a shared physical infrastructure
We assume that each slice is intended for one type of services, and the traffic in each slice is homogeneous in terms of characteristics and quality of service (QoS) requirements
— Modularity of the system: model elements implemented as objects are logically separated, and the interaction among them occurs by transmitting global signals or messages through special channels
Summary
Network slicing is a key next-generation networking technology that allows multiple virtual subnetworks to be built over a shared physical infrastructure. The virtual subnetworks are configured to meet the specific needs of applications, services, devices, customers, or virtual network operators This approach makes it possible to implement in practice flexible configuration and infrastructure management, which make part of the requirements for new generation networks [1]. This concept allows the infrastructure provider to lease network slices to tenants.
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