Collecter - Multi-agent Systems Configuration over Ad-hoc Networks: Network and Services Discovery

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The target of our research focuses on real
telematic service provisioning between different
groups in scenarios where there is a lack of
fixed communication infrastructure due to
natural disasters

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Collecter - Multi-agent Systems Configuration over Ad-hoc Networks: Network and Services Discovery

  1. 1. Área de it Ingeniería Telemática Multi-agent Systems Configuration over Ad-hoc Networks: Network and Services Discovery. Diego Casado Mansilla, Juan R. Velasco, Andrés Navarro Guillén Department of Automática, Escuela Politécnica Superior, University of Alcalá, Alcalá de Henares (Madrid), Spain 1. INTRODUCTION 2. COMMUNICATION & COOPERATIONThe target of our research focuses on real  A multi-agent platform must be created to gettelematic service provisioning between different communication.groups in scenarios where there is a lack of  Registration & Services exchange is performedfixed communication infrastructure due to following FIPA specifications.natural disasters.  Fault Tolerance is mandatory to avoid centralization. (Ad-hoc dynamic & sporadic).OVERVIEW OF THE SOLUTIONIn those scenarios the use of mobile devices ismandatory and to communicate them only Ad-hoc Networking can carry this out.Mobile agents technology has been proposedto:  Reduce the main problems in Ad-hoc Networks (Power, QoS, BW, etc.).  Control the communication flow.  Exchange services and cooperation between Fig.1 Ring of Fault Tolerance nodes. 3. PROPOSED SCENARIO 4. SERVICE PROVISIONING IN SAMPLE SCENARIOA forest fire scenario has been proposed as Once the Ad-hoc network is created and every agent isnatural disaster to manage. aware of the availability of services:Figure 2 shows several safety groups deployed in  Main device must keep trace of the waterthis scenario where most of them must getcommunication with the others. storage of every group and their location.  An agent (within a mobile device) is continuously offering images of the disaster.  Mobility and nomadic behavior is performed in order to maintaining services and be aware of safety messages. Fig.3 Join Platform & Topology change Fig.2 Proposed Scenario NETWORK DISCOVERY 5. CONCLUSIONS Zero configuration is needed when a nomadic agent joins the platform:  Link Layer:Our proposal is able to: • A mobile device discovers the• Keep communicated working groups in a network. disaster scenario.  Network Layer:• Exchange and maintain services between • It tries to get a random IP address. nodes. Fig.4 OSI layer up • It tests if available through ARP• Get a decentralized and coordinated Ad-hoc request. network.  Application Layer: 25-27 June 2008• Enhance mobility, migration and nomadic Madrid, Spain • It launches a new agent within the devices behavior. platform .• Achieve transparent topology change and • And finally it interacts with agents Zero Configuration. and exchange services. For Further information: Please contact: diego@navigo.es Madrid, June 2008

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