Volume 4 Number 7 (Sep. 2009)
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JSW 2009 Vol.4(7): 644-653 ISSN: 1796-217X
doi: 10.4304//jsw.4.7.644-653

Multi-hop Multi-path Cooperative Connectivity Guided by Mobility, Throughput, and Energy Awareness: a Middleware Approach

Paolo Bellavista, Antonio Corradi, Carlo Giannelli

Dip. Elettronica, Informatica e Sistemistica - Università di Bologna Viale Risorgimento, 2 - 40136 Bologna - Italy

Abstract—The widespread diffusion of portable devices with multiple wireless interfaces, e.g., UMTS/GPRS, IEEE 802.11, and/or Bluetooth, is enabling multi-homing and multi-channel scenarios, possibly made up by multi-hop cooperative paths towards the traditional Internet. We claim that there is the need for novel middleware, aware of innovative context information, to select and dynamically re-configure the most suitable interfaces and connectivity providers for each client application. In particular, novel middleware should effectively exploit concise and lightweight context indicators about expected node mobility, path throughput, and energy availability to take proper connectivity management decisions at session startup and to promptly re-configure them with limited overhead at runtime. Here, we present how our MMHC middleware originally uses mobility/throughput/energy context to manage connectivity opportunities effectively, i) by filtering out connectivity opportunities that are estimated as insufficiently reliable, and ii) by carefully evaluating the residual candidates in two distinguished local/global management phases to achieve the most suitable tradeoff between promptness and management costs.

Index Terms—Always Best Served Connectivity, Cooperative Connectivity, Multi-hop Multi-path Networks, Context Awareness, Middleware.

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Cite: Paolo Bellavista, Antonio Corradi, Carlo Giannelli, "Multi-hop Multi-path Cooperative Connectivity Guided by Mobility, Throughput, and Energy Awareness: a Middleware Approach," Journal of Software vol. 4, no. 7, pp. 644-653, 2009.

General Information

ISSN: 1796-217X (Online)
Frequency:  Quarterly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, CNKIGoogle Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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