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Pub/sub content sharing for mobile networks format

Published: 18 May 2009 Publication History

Abstract

We present Figaro, a content discovery solution for mobile environments. Our main focus is on urban networks, in which high densities of users coexist in relatively narrow, circumscribed areas reached by an infrastructure (e.g., bus stops integrating an AP).
Figaro networks are overlay networks that operate according to the publish/subscribe (pub/sub) paradigm, featuring two main types of nodes: Agents and Brokers. Agents produce and consume the content, while it is the Brokers' task to let demands and offers meet. Agents are mobile (possibly handheld) devices, while Brokers are middle-end devices, integrated in the infrastructure and interconnected via a reliable (typically wired) backbone.
When they discover a Broker, Agents can register with it declaring the services or contents (files, items of information...) they are willing to share with other Agents. Once the registration is complete, Agents can ask the Broker for the services they need. The Broker maintains a content-based routing table and queries it to answer such requests. The set of Agents exchanging services through a Broker is called colony. In a pure overlay fashion, colonies do not necessarily correspond to a set of nearby Agents. Although many works have dealt pub/sub in mobile networks, only few of them take into account the presence of an infrastructure and the opportunities it implies. With respect to them, our work includes novel protocol entities and addresses additional security and reputation issues. In particular, we describe our reference scenario and the behavior of Figaro in such conditions. Then, we show how this behavior can be improved, increasing the hit ratio and providing resiliency to misbehaving nodes.

References

[1]
J. Eriksson, H. Balakrishnan, S. Madden, "Cabernet: vehicular content delivery using WiFi," ACM/IEEE MobiCom, 2008.
[2]
Q. Yuan, J. Wu, "Drip: A dynamic Voronoi regions-based publish/subscribe protocol in mobile networks," IEEE INFOCOM 2008.
[3]
L. Liquori, D. Borsetti, C. Casetti, C.-F. Chiasserini, "An overlay architecture for vehicular networks," IFIP Networking 2008.
[4]
J.-Y. Le Boudec, M. Vojnovic, "Perfect simulation and stationarity of a class of mobility models," IEEE INFOCOM 2005.
[5]
N. Chang, M. Liu, "Optimal controlled flooding search in a large wireless network," WiOpt 2005.

Cited By

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  • (2014)Management of Mobile Data in a Crop FieldProceedings of the 2014 IEEE International Conference on Mobile Services10.1109/MobServ.2014.23(100-107)Online publication date: 27-Jun-2014
  • (2013)Distributed mobile application for crop farmersProceedings of the Fifth International Conference on Management of Emergent Digital EcoSystems10.1145/2536146.2536174(135-139)Online publication date: 28-Oct-2013

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Published In

cover image ACM Conferences
MobiHoc '09: Proceedings of the tenth ACM international symposium on Mobile ad hoc networking and computing
May 2009
370 pages
ISBN:9781605586243
DOI:10.1145/1530748

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 18 May 2009

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Author Tags

  1. content delivery
  2. infomobility
  3. overlay networks
  4. publish/subscribe protocol

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Cited By

View all
  • (2014)Management of Mobile Data in a Crop FieldProceedings of the 2014 IEEE International Conference on Mobile Services10.1109/MobServ.2014.23(100-107)Online publication date: 27-Jun-2014
  • (2013)Distributed mobile application for crop farmersProceedings of the Fifth International Conference on Management of Emergent Digital EcoSystems10.1145/2536146.2536174(135-139)Online publication date: 28-Oct-2013

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