Facing the Unplanned Migration of Serverless Applications: A Study on Portability Problems, Solutions, and Dead Ends

Proceedings of the 12th IEEE/ACM International Conference on Utility and Cloud Computing Pub Date : 2019-12-02 DOI:10.1145/3344341.3368813

Vladimir Yussupov, Uwe Breitenbücher, F. Leymann, C. Müller

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引用次数: 17

Abstract

Serverless computing focuses on developing cloud applications that comprise components fully managed by providers. Function-as-a-Service (FaaS) service model is often associated with the term serverless as it allows developing entire applications by composing provider-managed, event-driven code snippets. However, such reduced control over the infrastructure and tight-coupling with provider's services amplify the various lock-in problems. In this work, we explore the challenges of migrating serverless, FaaS-based applications across cloud providers. To achieve this, we conduct an experiment in which we implement four prevalent yet intentionally simple serverless use cases and manually migrate them across three popular commercial cloud providers. The results show that even when migrating simple use cases, developers encounter multiple aspects of a lock-in problem. Moreover, we present a categorization of the problems and discuss the feasibility of possible solutions.

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面对无服务器应用程序的计划外迁移:可移植性问题、解决方案和死胡同的研究

无服务器计算侧重于开发云应用程序，这些应用程序包含由提供商完全管理的组件。功能即服务(FaaS)服务模型通常与术语无服务器相关联，因为它允许通过组合由提供者管理的事件驱动的代码片段来开发整个应用程序。然而，这种对基础设施控制的减少以及与提供商服务的紧密耦合放大了各种锁定问题。在这项工作中，我们将探讨跨云提供商迁移无服务器、基于faas的应用程序所面临的挑战。为了实现这一点，我们进行了一个实验，在这个实验中，我们实现了四个普遍但故意简单的无服务器用例，并在三个流行的商业云提供商之间手动迁移它们。结果表明，即使在迁移简单的用例时，开发人员也会遇到锁定问题的多个方面。此外，我们提出了问题的分类，并讨论了可能的解决方案的可行性。

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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Proceedings of the 12th IEEE/ACM International Conference on Utility and Cloud Computing

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