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Dimensioning optical clouds with shared-path shared-computing (SPSC) protection
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).ORCID iD: 0000-0002-5636-9910
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).ORCID iD: 0000-0001-5600-3700
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2016 (English)In: IEEE International Conference on High Performance Switching and Routing, HPSR, IEEE Computer Society, 2016, 7483085Conference paper (Refereed)
Abstract [en]

Service relocation represents a promising strategy to provide flexible and resource efficient resiliency from link failures in the optical cloud environment. However, when a failure affects a node hosting a datacenter (DC), service relocation from the affected DC is not possible. One alternative to protect against DC failures relies on using design strategies that duplicate the IT (i.e., storage and processing) resources in a backup DC at the expense of increasing resource overbuild (i.e., cost) of the network. This work proposes a dimensioning strategy based on the shared-path shared-computing (SPSC) concept able to protect against any single link, server, or DC failure scenario with minimal resource overbuild for the network and IT infrastructures. SPSC is based on the intuition that only storage units need complete replication in backup DC, while processing units can be instantiated only after the occurrence of a failure, leaving the design strategy some leeway to minimize their number. As result, the proposed SPSC design shows a considerable reduction in the amount of backup resources when compared to the dedicated protection strategies.

Place, publisher, year, edition, pages
IEEE Computer Society, 2016. 7483085
Keyword [en]
Cloud environments, Dedicated protections, Design strategies, Failure scenarios, IT infrastructures, Processing units, Resource overbuild, Resource-efficient
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-194544DOI: 10.1109/HPSR.2015.7483085ScopusID: 2-s2.0-84978250331ISBN: 978-147999871-5 OAI: oai:DiVA.org:kth-194544DiVA: diva2:1044007
Conference
16th IEEE International Conference on High Performance Switching and Routing, HPSR 2015, Budapest, Hungary, 30 June 2015 through 4 July 2015
Note

QC 20161101

Available from: 2016-11-01 Created: 2016-10-31 Last updated: 2016-11-01Bibliographically approved

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Monti, PaoloFurdek, MarijaWosinska, Lena
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CiteExportLink to record
Permanent link

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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
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More languages
Output format
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  • asciidoc
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