A scalable group communication mechanism for mobile agents |
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| Affiliation: | 1. EECS Department, University of California, Irvine, CA 02697, USA;2. ECE Department, University of Tehran, Tehran, Iran;1. Chung-Ang University, Seoul, Republic of Korea;2. Monash University, Australia;3. University of South Australia, Australia;4. University of South Australia, Australia;1. Department of Industrial Engineering and Management, National Taipei University of Technology, No. 1, Section 3, Chung-Hsiao East Road, Taipei, Taiwan;2. Graduate Institute of Urban Planning, National Taipei University, 151, University Rd., San Shia District, New Taipei City 23741, Taiwan;3. Institute of Management of Technology, National Chiao Tung University, 1001, Ta-Hsueh Road, Hsinchu 300, Taiwan;1. Research Scholar, Department of Industrial and Systems Engineering, India;2. Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721 302, India;3. Department of Production Engineering, Jadavpur University, Kolkata 700 032, India;1. Department of Business Administration (Scopus H-index: 20), Lunghwa University of Science and Technology, Taiwan;2. Supply Chain Center, College of Management, University of Derby, UK;3. School of Business, Dalian University of Technology, Panjin, China;4. Business School, The University of Greenwich, UK;5. Department of Business Administration, Lunghwa University of Science and Technology, Taiwan;1. Department of Chemical Engineering, ITB, Jl. Ganesha 10, Bandung 40132, Indonesia;2. Department of Chemical Engineering, Diponegoro University, Jl. Prof. Soedarto, SH. Kampus Tembalang, Semarang 50239, Indonesia |
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| Abstract: | Many multi-agent applications based on mobile agents require message propagation among group of agents. A fast and scalable group communication mechanism can considerably improve performance of these applications. Unfortunately, most of the existing approaches do not scale well and disseminate messages slowly when the number of agents grows.In this paper, we propose Sama, a new group communication mechanism, to speed up message delivery for a group of mobile agents on a heterogeneous internetwork. The main contribution of Sama is distribution and parallelization of message propagation in an efficient way to achieve scalability and high-speed of message delivery to group members. Sama uses message dispatcher objects (MDOs), which are stationary agents on each host, to propagate messages concurrently. The proposed mechanism is independent of agent locations and transparently delivers messages to the group using constant number of remote messages. It also transparently recovers from host failures. We also present a Hop-Ring protocol that considerably improves the performance of message dissemination in Sama. Our experimental results show that message propagation in Sama is significantly fast compared to the previously proposed methods. |
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