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Opportunistic Content-Centric Networking: The Conference Case Demo
KTH, School of Electrical Engineering (EES), Communication Networks.ORCID iD: 0000-0002-9176-3454
KTH, School of Electrical Engineering (EES), Communication Networks. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Networks.
KTH, School of Electrical Engineering (EES), Communication Networks.
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2011 (English)In: Proceedings of the IEEE International Conference on Computer Communications, INFOCOM’11, 2011Conference paper, Published paper (Refereed)
Abstract [en]

We present a demonstration scenario to evaluate a middleware architecture that we designed and implemented for distributing content over mobile ad hoc networks. The peer to-peer networking architecture allows content dissemination between mobile devices without relying on any infrastructure support. Content is exchanged opportunistically when nodes are in proximity. We developed a mobile application utilizing the services provided by the implemented middleware. The application facilitates opportunistic content distribution in both one-to-one and one-to-many dissemination modes.

Place, publisher, year, edition, pages
2011.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-58496OAI: oai:DiVA.org:kth-58496DiVA: diva2:473179
Conference
30th IEEE International Conference on Computer Communications (IEEE INFOCOM 2011), April 10-15, Shanghai, China
Note
QC 20120113Available from: 2012-01-05 Created: 2012-01-05 Last updated: 2013-09-09Bibliographically approved
In thesis
1. Opportunistic Content Distribution: A System Design Approach
Open this publication in new window or tab >>Opportunistic Content Distribution: A System Design Approach
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The penetration of smart pocket-size devices that provide constant Internet connectivity, such as mobile phones, has significantly changed the way people obtain, view and share information. Content provision is not anymore a prerogative to professionals; individuals are not solely customers, but also act as content generators and distributors. This shift in social behavior requires changes in the way information is delivered to target audiences in an efficient, interest-based and location-aware manner.

This thesis explores a solution for opportunistic content distribution in a content-centric network that primarily targets content dissemination among mobile users in urban areas. The term ’opportunistic’ here refers to a concept which rejects the assumption of always-connected user devices and instead allows nodes to leverage sporadic contacts which occur when two neighbors come into direct radio communication range. Such communication mode allows data exchanges to occur in areas with little or no infrastructure; moreover, it is a potential solution for offloading the increasing traffic volumes observed by mobile operators.

The contributions of this thesis lie in three areas. We first outline a general architecture and design for opportunistic content-centric networking. We implement our proposal on the Google Android platform, and provide application scenarios which illustrate the potential of mobile peer-to-peer communication. Our tests however show that energy consumption turns out to be a major issue for opportunistic networks. Therefore, our second effort is in the area of energy-efficiency. We propose a dual-radio architecture for opportunistic communication, and evaluate it through extensive simulations on realistic human mobility traces. Our final study lies in the area of content dissemination when nodes in the network act altruistically and are willing to solicit data on behalf of other participants. We propose a number of relaying and caching strategies, and evaluate them through simulations in environments that exhibit different churn levels.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. 91 p.
Series
Trita-EE, ISSN 1653-5146 ; 2012:036
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-100011 (URN)978-91-7501-451-7 (ISBN)
Presentation
2012-09-14, F3, 10:00 (English)
Opponent
Supervisors
Funder
ICT - The Next Generation
Note

QC 20120806

Available from: 2012-08-07 Created: 2012-08-02 Last updated: 2013-09-09Bibliographically approved

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Kouyoumdjieva, SylviaKarlsson, Gunnar

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