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This paper studies the issues of using mobile agents to achieve load sharing for network services in a wide-area network environment such as the Internet. Traditionally, load sharing algorithms are based on the message-passing paradigm. In this paper, we propose the use of mobile agents as an aid to design fully distributed and dynamic load-sharing mechanisms for wide-area network services, which provide several advantages over the pure message passing-based approach. A framework (called MALS-mobile agent-enabled load sharing) for structuring and designing load sharing in wide-area network services is presented. In particular, we describe the design of a mobile agent-enabled distributed dynamic load sharing scheme within the MALS framework. A simulation environment of the load sharing protocol is being implemented using Aglet/spl trade/, a Java-compliant mobile agent platform from IBM. Preliminary experimental results demonstrated that the proposed framework is effective.