Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7886
Title: GCS-MA : A group communication system for mobile agents
Authors: Xu, W
Cao, J 
Jin, B
Li, J
Zhang, L
Keywords: Fault tolerance
Group communication
Mobile agent
Totally ordered multicast
Issue Date: 2007
Source: Journal of network and computer applications, 2007, v. 30, no. 3, p. 1153-1172 How to cite?
Journal: Journal of Network and Computer Applications 
Abstract: Reliable messaging is a key component necessary for mobile agent systems. Current researches focus on reliable one-to-one message delivery to mobile agents. But how to implement a group communication system for mobile agents remains an open issue, which is a powerful block that facilitates the development of fault-tolerant mobile agent systems. In this paper, we propose a group communication system for mobile agents (GCS-MA), which includes totally ordered multicast and membership management functions. We divide a group of mobile agents into several agent clusters, and each agent cluster consists of all mobile agents residing in the same sub-network and is managed by a special module, named coordinator. Then, all coordinators form a ring-based overlay for interchanging messages between clusters. We present a token-based algorithm, an intra-cluster messaging algorithm and an inter-cluster migration algorithm to achieve atomicity and total ordering properties of multicast messages, by building a membership protocol on top of the clustering and failure detection mechanisms. Performance issues of the proposed system have been analysed through simulations. We also describe the application of the proposed system in the context of the service cooperation middleware (SCM) project.
URI: http://hdl.handle.net/10397/7886
ISSN: 1084-8045
DOI: 10.1016/j.jnca.2006.04.003
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