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Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Self-managing cloud-native applications : design, implementation and experience
Authors: Toffetti Carughi, Giovanni
Brunner, Sandro
Blöchlinger, Martin
Spillner, Josef
Bohnert, Thomas Michael
DOI: 10.21256/zhaw-3783
Published in: Future Generation Computer Systems
Volume(Issue): 72
Page(s): 165
Pages to: 179
Issue Date: Jul-2017
Publisher / Ed. Institution: Elsevier
ISSN: 0167-739X
Language: English
Subjects: TIIE; Microservice
Subject (DDC): 004: Computer science
Abstract: Running applications in the cloud efficiently requires much more than deploying software in virtual machines. Cloud applications have to be continuously managed: (1) to adjust their resources to the incoming load and (2) to face transient failures replicating and restarting components to provide resiliency on unreliable infrastructure. Continuous management monitors application and infrastructural metrics to provide automated and responsive reactions to failures (health management) and changing environmental conditions (auto-scaling) minimizing human intervention. In the current practice, management functionalities are provided as infrastructural or third party services. In both cases they are external to the application deployment. We claim that this approach has intrinsic limits, namely that separating management functionalities from the application prevents them from naturally scaling with the application and requires additional management code and human intervention. Moreover, using infrastructure provider services for management functionalities results in vendor lock-in effectively preventing cloud applications to adapt and run on the most effective cloud for the job. In this paper we discuss the main characteristics of cloud native applications, propose a novel architecture that enables scalable and resilient self-managing applications in the cloud, and relate on our experience in porting a legacy application to the cloud applying cloud-native principles.
Fulltext version: Accepted version
License (according to publishing contract): CC BY-NC-ND 4.0: Attribution - Non commercial - No derivatives 4.0 International
Departement: School of Engineering
Organisational Unit: Institute of Applied Information Technology (InIT)
Appears in collections:Publikationen School of Engineering

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