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Theses

Agents Mobiles : itinéraires pour l'administration système et réseau

Emmanuel Reuter 1
1 OASIS - Active objects, semantics, Internet and security
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : Since the beginning of 1990s, the usage of mobile agents within the framework of system and network management is considered. Platforms with mobile agents answering this use were developed and in general focus on the problem of collecting data on network elements, on supervising platform nodes, on the safety of the visited nodes, etc. However, an operational constraint relates to the fact that elements in a network tend to evolve/move dynamically ; such a constraint has not been seriously taken into account in existing platforms. Such a dynamic evolution requires that migration itineraries be associated with mobile agents for network and system management ; but such itineraries are generally defined in a static way by an administrator, alas, on the contrary, such itineraries should be built on the fly so as to reflect the current network topology to be managed. We underline that programming facilities could be obtained by associating a management function with each element in an itinerary, and this, according to the type of each element. This could be beneficial, in the sense that it could largely ease the programming of mobile agents tasks by enabling to implement new system and network management functions.
This thesis work consists in proposing the definition of a mechanism to create and then to use dynamic itineraries for system and network management. We validate this definition by providing a platform and a mobile agents programming framework for system and network management. In order to achieve this, we use and extend the ProActive library for parallel, distributed and mobile computing. Indeed, ProActive offers a framework which largely simplifies the programming and the deployment of mobile agents in an heterogeneous and distributed environment. The proposed itineraries mechanism assumes the knowledge of the network topology and how its elements are interconnected. Thus, we design and implement an automatic discovery mechanism of the OSI level-2 topology of the network to manage. Then, we define a generic framework for mobile agents programming based upon our itineraries mechanism so as to carry out system and network management tasks. To validate our approach and its integration in the system and network management world, we provide several usage scenario of mobile agents, and this for a broad range of network configurations.
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Submitted on : Friday, January 18, 2008 - 3:46:22 PM
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Emmanuel Reuter. Agents Mobiles : itinéraires pour l'administration système et réseau. Réseaux et télécommunications [cs.NI]. Université Nice Sophia Antipolis, 2004. Français. ⟨tel-00207934⟩

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