Supporting Predictable Service Provision in MANETs Via Context-Aware Session Management

Supporting Predictable Service Provision in MANETs Via Context-Aware Session Management

Radu Handorean (Washington University in St. Louis, USA), Rohan Sen (Washington University in St. Louis, USA), Gregory Hackmann (Washington University in St. Louis, USA) and Gruia-Catalin Roman (Washington University in St. Louis, USA)
Copyright: © 2006 |Pages: 26
DOI: 10.4018/jwsr.2006070101
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Abstract

The increasing ubiquity of wireless mobile devices is promoting unprecedented levels of electronic collaboration among devices interoperating to achieve a common goal. Issues related to host interoperability are addressed partially by the principles of the service-oriented computing paradigm. However, certain technical concerns relating to predictable interactions among hosts in mobile ad hoc networks (MANETs) have not yet received much attention. We introduce “follow-me sessions,” where interactions occur between a client and a service, rather than a specific service provider. A client, thus, may exploit several service providers during the course of its interaction with a given service. This redundancy mitigates the effects of mobility-induced disconnections, thereby facilitating reliable communication. The switching of service providers is done using a combination of strong process migration, context-sensitive binding and locationagnostic communication protocols. This paper covers the architecture and implementation of a middleware that supports follow-me sessions and shows how this middleware mitigates issues related to proxy-based service-oriented architectures in mobile ad hoc networks. We support our claims via technical evaluation of our approach.

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