Meeting the Challenges of Service Composition in Mobile Ad Hoc Networks

G. Prochart, R. Weiss (Austria), G. Kaefer, and R. Schmid (Germany)


MANET, service composition, service selection, non functional service properties


The mobile and pervasive computing trend established numerous portable devices equipped with wireless communication technologies capable of forming network topologies like mobile ad hoc networks – MANETs. Devices like smart phones, personal digital assistants (PDAs), ultra-mobile PCs, and notebook PCs can be connected even if there is no networking infrastructure available. Typically, the involved mobile devices have resource constraints like limited or moderate amount of processing speed, memory, battery power, connection speed, etc. which requires all network nodes to collaborate efficiently. Solving complex tasks necessitate utilizing software components – services – on different devices within the network by forming a composition. This process is well-established for web service composition with many existing approaches, ranging from abstract methods to those aiming to be industry standard. Most strategies neglect the specification of non-functional properties and especially for mobile ad hoc networking additional and complementary properties are required. In this paper we focus on the challenges of service composition in mobile ad hoc networks and demonstrate the requirement of a supplemental service selection strategy and service properties in order to cope with the inherently dynamic nature of these networks.

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