A Microservices-Based Control Plane for Time-Sensitive Networking

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-04-01 DOI:10.3390/fi16040120

A. Agustí-Torra, Marc Ferré-Mancebo, Gabriel David Orozco-Urrutia, David Rincón-Rivera, David Remondo

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引用次数: 0

Abstract

Time-Sensitive Networking (TSN) aims to provide deterministic communications over Ethernet. The main characteristics of TSN are bounded latency and very high reliability, thus complying with the strict requirements of industrial communications or automotive applications, to name a couple of examples. In order to achieve this goal, TSN defines several scheduling algorithms, among them the Time-Aware Shaper (TAS), which is based on time slots and Gate Control Lists (GCLs). The configuration of network elements to allocate time slots, paths, and GCLs is laborious, and has to be updated promptly and in a dynamic way, as new data flows arrive or disappear. The IEEE 802.1Qcc standard provides the basis to design a TSN control plane to face these challenges, following the Software-Defined Networking (SDN) paradigm. However, most of the current SDN/TSN control plane solutions are monolithic applications designed to run on dedicated servers, and do not provide the required flexibility to escalate when facing increasing service requests. This work presents μTSN-CP, an SDN/TSN microservices-based control plane, based on the 802.1Qcc standard. Our architecture leverages the advantages of microservices, enabling the control plane to scale up or down in response to varying workloads dynamically. We achieve enhanced flexibility and resilience by breaking down the control plane into smaller, independent microservices. The performance of μTSN-CP is evaluated in a real environment with TSN switches, and various integer linear problem solvers, running over different computing platforms.

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基于微服务的时敏网络控制平面

时间敏感网络（TSN）旨在通过以太网提供确定性通信。TSN 的主要特点是有界限的延迟和极高的可靠性，因此符合工业通信或汽车应用的严格要求。为了实现这一目标，TSN 定义了多种调度算法，其中包括基于时隙和门控制列表 (GCL) 的时间感知整形器 (TAS)。分配时隙、路径和 GCL 的网元配置非常繁琐，而且必须在新数据流到达或消失时以动态方式及时更新。IEEE 802.1Qcc 标准为按照软件定义网络（SDN）模式设计 TSN 控制平面以应对这些挑战提供了基础。然而，目前大多数 SDN/TSN 控制平面解决方案都是设计在专用服务器上运行的单片应用程序，在面对不断增加的服务请求时，无法提供升级所需的灵活性。本研究提出了基于 802.1Qcc 标准的 SDN/TSN 微服务控制平面 μTSN-CP。我们的架构充分利用了微服务的优势，使控制平面能够根据不同的工作负载动态地扩大或缩小。我们将控制平面分解为更小的、独立的微服务，从而增强了灵活性和弹性。μTSN-CP的性能是在实际环境中通过运行在不同计算平台上的TSN交换机和各种整数线性问题求解器进行评估的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.