从部署角度看核心网（4G/5G）的可用性和可靠性

IF 5.5 2区计算机科学 Q1 COMPUTER SCIENCE, INFORMATION SYSTEMS

IEEE Transactions on Services Computing Pub Date : 2025-01-10 DOI:10.1109/TSC.2025.3528332

Priyatosh Mandal

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Availability and Reliability of Core Networks (4G/5G) From a Deployment Standpoint

4G LTE core networks or service based 5G core networks may be created as a set of virtual network functions (VNFs) i.e., network service (NS). The NS can be deployed with the use of cloud computing platform. A virtual machine (VM) with specialized software is denoted as VNF. In this present work, via mathematical modelling, we derive the NS availability considering the placement of core network nodes in a single virtual machine (SVM) as well as in multiple virtual machines (MVM). We consider the failure perspective of host node, VMs, and core network nodes in the availability analysis. We also look at NS reliability in terms of the placement of VNFs of NS in SVM as well as in MVM. After that, we examine the availability and reliability of SVM based NS and MVM based NS. Then, we compare the availability as well as the reliability considering SVM based NS and MVM based NS. Comparison results show that an SVM based NS deployment can lead to a more than 14% gain in availability and more than 100% gain in reliability with respect to an MVM based NS deployment.

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来源期刊

IEEE Transactions on Services Computing COMPUTER SCIENCE, INFORMATION SYSTEMS-COMPUTER SCIENCE, SOFTWARE ENGINEERING

CiteScore

11.50

自引率

6.20%

发文量

278

审稿时长

>12 weeks

期刊介绍： IEEE Transactions on Services Computing encompasses the computing and software aspects of the science and technology of services innovation research and development. It places emphasis on algorithmic, mathematical, statistical, and computational methods central to services computing. Topics covered include Service Oriented Architecture, Web Services, Business Process Integration, Solution Performance Management, and Services Operations and Management. The transactions address mathematical foundations, security, privacy, agreement, contract, discovery, negotiation, collaboration, and quality of service for web services. It also covers areas like composite web service creation, business and scientific applications, standards, utility models, business process modeling, integration, collaboration, and more in the realm of Services Computing.