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6. Service Discovery and Provision for Autonomic Mobile Computing.

Author

Polyzos, George C., Ververidis, Christopher N., Efstathiou, Elias C., Stavrakakis, Ioannis, and Smirnov, Michael

Abstract

Service discovery and related service advertisements, redirection and provision decisions are essential processes in networks supporting mobile communications in order for these systems to be self-configurable with zero or minimal administration overhead. More so in mobile networks, i.e. networks where the network infrastructure is moving and the topology is constantly changing. Finally, the servers themselves offering the services might be mobile, wirelessly connected and battery powered and thus power limited and energy constrained, with a finite horizon of operation and service availability. For this reason they will probably have rather selective policies for service advertisement and provision. In this paper we review our previous work on topics in this area and put it under this new perspective, providing our vision for a general autonomic framework for service advertisement, discovery, provision decision, redirection etc. [ABSTRACT FROM AUTHOR]

Published
2006
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8. A routing layer based approach for energy efficient service discovery in mobile ad hoc networks.

Author

Ververidis, Christopher N. and Polyzos, George C.

Subjects
AD hoc computer networks, NETWORK routers, ENERGY consumption, ENERGY management, WIRELESS communications, TECHNOLOGICAL innovations
Abstract

Service discovery can be greatly enhanced in terms of efficiency, both regarding service discoverability and energy consumption, by piggybacking service information into routing messages. Thus, service discovery does not generate additional messages and a node requesting a service, in addition to discovering that service, it is simultaneously informed of the route to the service provider. We extended the Zone Routing Protocol in order to encapsulate service information in its routing messages. Our extended protocol, E-ZRP, may be seen as a representative of routing layer protocols providing service discovery functionality. Simulations demonstrate the superiority of this routing layer-based service discovery scheme over that of a similar, but application layer based service discovery scheme. In order to have a thorough evaluation of our approach we introduced a new metric, called Service Availability Duration (SAD), which characterizes the ‘quality’ of discovered services and experimentally examines the implications of network density and node mobility on the availability of services discovered with E-ZRP, as a typical representative of routing layer based service discovery protocols. Copyright © 2008 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]

Published
2009
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