Young Woo Jung , Jung Hwan Choi , Kwang Sun Ko , Gu Su Kim , Young Ik Eom

The KIPS Transactions:PartA, Vol. 14, No. 6, pp. 333-340, Dec. 2007
10.3745/KIPSTA.2007.14.6.333,   PDF Download:

Abstract

In multi agent systems, various inter agent communication models have been proposed, and, especially, there are several group communication schemes proposed so far, where some schemes guarantees transparent communication among the agents. However, in mobile agent environments, we require new group communication schemes that consider topology changes caused by mobile agent migrations. Also, these group communication schemes should be secure in order for them to be practical. In this paper, we propose a secure group communication scheme using the hierarchical overlay ring structure of mobile agents. The proposed scheme uses the ring channel in order to cope adaptively with the change of ring topology. The ring channel has basic information for construction of the ring and is managed only by the mobile agent platforms. Therefore, each mobile agent need not directly handle the ring channel and it can perform group communication without any consideration on the change of the ring topology.

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