Simulating FaaS Orchestrations In The Cloud-Edge Continuum

Alessio Matricardi, A. Bocci, Stefano Forti, Antonio Brogi
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Abstract

Deploying Function-as-a-Service (FaaS) applications to resources in the Cloud-Edge continuum calls for suitable simulation environments to assess new proposals for managing those applications while accounting for their specificity, i.e. ephemeral deployment and orchestrated execution. Indeed, exploiting real infrastructures for extensive experiments, while considering heterogeneous nodes and different applications, is costly and time-consuming. In this article, we propose a novel open-source discrete-time simulator for the management (i.e. deployment and migration) of orchestrated FaaS in the Cloud-Edge continuum. It enables assessing customised management policies against varying infrastructure conditions. It collects data about execution time, energy consumption, and successes/failures of management operations. We illustrate the prototype at work over a lifelike case study.
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在云边缘连续体中模拟FaaS编排
将功能即服务(FaaS)应用程序部署到云边缘连续体中的资源中,需要合适的模拟环境来评估管理这些应用程序的新建议,同时考虑到它们的特殊性,即临时部署和编排执行。实际上,在考虑异构节点和不同应用程序的同时,利用真实的基础设施进行广泛的实验既昂贵又耗时。在本文中,我们提出了一种新的开源离散时间模拟器,用于管理(即部署和迁移)在Cloud-Edge连续体中编排的FaaS。它可以针对不同的基础设施条件评估定制的管理策略。收集管理操作的执行时间、能耗、成功/失败等数据。我们通过一个逼真的案例研究来说明工作中的原型。
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