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Exploring Decentralization Dimensions of Social Networking Services: Adversaries and Availability
TU Darmstadt & CASED.
KTH, School of Computer Science and Communication (CSC), Theoretical Computer Science, TCS.ORCID iD: 0000-0002-7102-8153
KTH, School of Computer Science and Communication (CSC), Theoretical Computer Science, TCS.ORCID iD: 0000-0001-5742-5462
TU Darmstadt & CASED.
2012 (English)In: Proceedings of the 1st ACM International Workshop on Hot Topics on Interdisciplinary Social Networks Researc, 2012, 49-56 p.Conference paper, Published paper (Refereed)
Abstract [en]

Current online Social Networking Services (SNS) are orga-nized around a single provider and while storage and func-tionality can be distributed, the control over the service be-longs to one central entity. This structure raises privacy con-cerns over the handling of large-scale and at least logicallycentralized collections of user data. In an effort to protectuser privacy and decrease provider dependence, decentral-ization has been proposed for SNS. This decentralization haseffects on availability, opportunities for traffic analysis, re-source requirements, cooperation and incenctives, trust andaccountability for different entities, and performance.In this paper, we explore the spectrum of SNS implemen-tations from centralized to fully decentralized and severalhybrid constellations in between. Taking a systematic ap-proach of SNS layers, decentralization classes, and replica-tion strategies, we investigate the design space and focus ontwo issues as concrete examples where the contrast of ex-treme ends of the decentralization spectrum is illustrative,namely potential adversaries and churn-related profile avail-ability. In general, our research indicates that hybrid ap-proaches deserve more attention as both centralized as wellas entirely decentralized systems suffer from severe draw-backs.

Place, publisher, year, edition, pages
2012. 49-56 p.
National Category
Computer Science
Identifiers
URN: urn:nbn:se:kth:diva-107762DOI: 10.1145/2392622.2392630Scopus ID: 2-s2.0-84871348269ISBN: 978-1-4503-1549-4 (print)OAI: oai:DiVA.org:kth-107762DiVA: diva2:577976
Conference
HotSocial'12, August 12, 2012, Beijing, China.
Funder
ICT - The Next Generation
Note

QC 20130115

Available from: 2012-12-17 Created: 2012-12-17 Last updated: 2013-09-06Bibliographically approved

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Greschbach, BenjaminBuchegger, Sonja

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  • apa
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