The mobile groups approach for the coordination of mobile agents |
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| Affiliation: | 1. Department of Computer Science and Engineering, Graphic Era Deemed to be University, Dehradun, 248 002, India;2. Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500032, India;3. Centre for Cryptography, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576 104, India;4. Department of Computer Science and Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576 104, Karnataka, India;5. Department of Computer Science, Electrical and Space Engineering, Lulea University of Technology, Lulea, 97187, Sweden;6. Department of Computer Science and Technology, Fuzhou University, Fujian, 350116, China;1. School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, Hubei, China;2. School of Automation, China University of Geosciences, Wuhan 430074, Hubei, China;3. Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems, Wuhan 430074, Hubei, China;4. Engineering Research Center of Intelligent Technology for Geo-Exploration, Ministry of Education, Wuhan 430074, Hubei, China;1. Department of Information Technology and Electrical Engineering, ETH Zürich (ETHZ), Zürich, Switzerland;2. Laboratory of Experimental Audiology, ENT Department, University Hospital Zürich, Zürich, Switzerland |
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| Abstract: | We present the concept of mobile groups as a basic mechanism for the reliable coordination of mobile agents. Analogously to traditional group systems, mobile groups also provide message delivery guarantees and virtual synchrony. Furthermore, they make agent mobility not only visible for the group, but also consistently ordered with other group actions (such as crashes, joins, leaves, and other migrations). The mobile groups approach represents a novel mobility support mechanism, which can be used to handle reliability of mobile agents required at both, the application and system level (e.g., for coordinating distributed agents and for reliable agent migration, respectively). In this paper, we discuss the motivations for the mobile groups approach, formally define their properties, and present a membership protocol for such groups. We also discuss some implementation issues and related performance data, and present the advantages of mobile groups against mechanisms commonly employed for the coordination of mobile agents. |
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