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Control-theoretical load-balancing for cloud applications with brownout
Umeå University, Faculty of Science and Technology, Department of Computing Science.
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2014 (English)In: 2014 IEEE 53RD ANNUAL CONFERENCE ON DECISION AND CONTROL (CDC), 2014, 5320-5327 p.Conference paper, (Refereed)
Abstract [en]

Cloud applications are often subject to unexpected events like flash crowds and hardware failures. Without a predictable behaviour, users may abandon an unresponsive application. This problem has been partially solved on two separate fronts: first, by adding a self-adaptive feature called brownout inside cloud applications to bound response times by modulating user experience, and, second, by introducing replicas - copies of the applications having the same functionalities - for redundancy and adding a load-balancer to direct incoming traffic. However, existing load-balancing strategies interfere with brownout self-adaptivity. Load-balancers are often based on response times, that are already controlled by the self-adaptive features of the application, hence they are not a good indicator of how well a replica is performing. In this paper, we present novel load-balancing strategies, specifically designed to support brownout applications. They base their decision not on response time, but on user experience degradation. We implemented our strategies in a self-adaptive application simulator, together with some state-of-the-art solutions. Results obtained in multiple scenarios show that the proposed strategies bring significant improvements when compared to the state-of-the-art ones.

Place, publisher, year, edition, pages
2014. 5320-5327 p.
National Category
Computer Systems Computer Engineering
Identifiers
URN: urn:nbn:se:umu:diva-129842DOI: 10.1109/CDC.2014.7040221ISI: 000370073805079ISBN: 978-1-4673-6090-6 (print)OAI: oai:DiVA.org:umu-129842DiVA: diva2:1065652
Conference
IEEE 53rd Annual Conference on Decision and Control (CDC), DEC 15-17, 2014, Los Angeles, CA
Available from: 2017-01-16 Created: 2017-01-09 Last updated: 2017-01-16Bibliographically approved

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Klein, CristianPapadopoulos, Alessandro VittorioHernandez-Rodriguez, FranciscoElmroth, Erik
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf