Forwarders vs. Centralized Server : An Evaluation of two Approaches for Locating Mobile Agents

Sara Alouf 1 Fabrice Huet 2 Philippe Nain
2 OASIS - Active objects, semantics, Internet and security
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : This paper evaluates and compares the performance of two approaches for locating an agent (e.g. a code) in a mobile agent environment. The first approach dynamically creates a chain of forwarders to locate a moving agent whereas the second one relies on a centralized server to perform this task. Based on a Markov chain analysis, we compute the performance of each scheme (time to reach an agent, number of forwarders) and compare them first with simulations and second with experimental results obtained by using ProActive, a Java library. Depending on the system parameters we identify the best scheme and observe that within a LAN the server yields the best performan- ce whereas the forwarders yield the best performance within a MAN.
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https://hal.inria.fr/inria-00072148
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Sara Alouf, Fabrice Huet, Philippe Nain. Forwarders vs. Centralized Server : An Evaluation of two Approaches for Locating Mobile Agents. RR-4440, INRIA. 2002. ⟨inria-00072148⟩

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