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On the effects of caching in access aggregation networks
SICS.
SICS.
Ericsson AB.
Ericsson AB.
2012 (English)In: ICN 2012, Helsinki, Finland / [ed] Dirk Kutscher, Giacomo Morabito, Börje Ohlman, George C. Polyzos, Ignacio Solis och Lixia Zhang, Association for Computing Machinery (ACM), 2012Conference paper (Refereed)
Abstract [en]

All forecasts of Internet trac point at a substantial growth over the next few years. From a network operator perspective, efficient in-network caching of data is and will be a key component in trying to cope with and profit from this increasing demand. One problem, however, is to evaluate the performance of different caching policies as the number of available data items as well as the distribution networks grows very large.

In this work, we develop an analytical model of an aggregation access network receiving a continuous flow of requests from external clients. We provide exact analytical solutions for cache hit rates, data availability and more. This enables us to provide guidelines and rules of thumb for operators and Information-Centric Network designers.

Finally, we apply our analytical results to a real VoD trace from a network operator and show that substantial bandwidth savings can be expected when using in-network caching in a realistic setting.

Place, publisher, year, edition, pages
Association for Computing Machinery (ACM), 2012.
Keyword [en]
Caching, access aggregation network. scalability
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:hkr:diva-14783ISBN: 978-1-4503-1479-4 (print)OAI: oai:DiVA.org:hkr-14783DiVA: diva2:856680
Conference
ICN 2012
Available from: 2015-09-24 Created: 2015-09-24 Last updated: 2016-01-19Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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  • de-DE
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  • Other locale
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Output format
  • html
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  • asciidoc
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