Abstract
As mobile agents have the ability to operate autonomously and in a disconnected way they are considered to suit mobile computing environments. Mobile users can dispatch agents into the fixed network where the agents operate in the users behalf. Thus, in contrast to client/server interactions agents do not suffer from poor performing wireless access networks. In this paper the performance of mobile agents and client/server interactions are analysed with respect to heterogeneous networks and server resources. It is argued that without a certain knowledge of the available resources agents can hardly decide whether they should migrate or just apply client/server calls to access a remote service. To this end, it is proposed that agents should access server selection systems in order to plan their migration strategy. However, while server selection systems process agent requests the agents are waiting idle. Thus, access to server selection systems comes at a cost and therefore agents must be careful about it. To solve this decision problem an algorithm is proposed which estimates the benefits of accessing server selection systems. Finally, the decision algorithm is evaluated with the help of a simulation model.
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