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arXiv 2201.07715cs.NI
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研究5G网络及以后的服务功能链迁移模式

Towards studying Service Function Chain Migration Patterns in 5G Networks and beyond

R. A. Addad, D. L. C. Dutra, M. Bagaa, T. Taleb, H. Flinck

摘要:

鉴于对可靠网络架构的需求不可或缺,3GPP推出了一项名为5G基于服务的架构(5G-SBA)的技术。与此同时,多访问边缘计算(MEC)与SBA相结合,通过将应用程序托管从集中式数据中心带到网络边缘,更接近消费者和应用程序生成的数据,为最终用户提供更好的体验。3GPP和ETSI提案都提供了许多好处,特别是提供高度可定制服务的能力。然而,与容忍托管标准虚拟化技术(虚拟机(VM)和服务器)的大型网络中心相比,MEC节点的特点是计算资源较低,因此基于轻量级微服务的应用程序首次亮相。由于当前基于微服务的应用程序在支持用户移动性方面的不足,并假设所有这些问题都在服务功能链(SFC)迁移的保护伞下,我们的目标是介绍,解释和评估不同的SFC迁移模式。实验结果表明,SFC迁移模式并不存在明显的优胜者,但选择合适的SFC迁移模式取决于用户的行为、应用的需求和MEC节点的资源。

英文摘要:

Given the indispensable need for a reliable network architecture to cope with 5G networks, 3GPP introduced a covet technology dubbed 5G Service Based Architecture (5G-SBA). Meanwhile, Multi-access Edge Computing (MEC) combined with SBA conveys a better experience to end-users by bringing application hosting from centralized data centers down to the network edge, closer to consumers and the data generated by applications. Both the 3GPP and the ETSI proposals offered numerous benefits, particularly the ability to deliver highly customizable services. Nevertheless, compared to large datacenters that tolerate the hosting of standard virtualization technologies (Virtual Machines (VMs) and servers), MEC nodes are characterized by lower computational resources, thus the debut of lightweight micro-service based applications. Motivated by the deficiency of current micro-services-based applications to support users'mobility and assuming that all these issues are under the umbrella of Service Function Chain (SFC) migrations, we aim to introduce, explain and evaluate diverse SFC migration patterns. The obtained results demonstrate that there is no clear vanquisher, but selecting the right SFC migration pattern depends on users'motion, applications'requirements, and MEC nodes'resources.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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