摘要： 迁移策略是移动Agent的核心技术之一。移动Agent为完成用户指定的任务，通常需要移动到多个主机上，从而形成一个主机序列。传统的迁移策略大多只是根据固定的方法或指标，提前规定好一个主机序列，并不能很动态地对Agent迁移路径中的下一跳进行预测。文章提出了一种预测移动Agent的迁移路径的算法，该算法在入侵检测系统的设计与应用中具有广泛的应用价值。通过实验分析，该算法表现出了良好的性能。

关键词: 移动Agent, 迁移路径, 预测算法, 主机序列

Abstract: Migration policy for mobile agents is one of the key technologies. In order to fulfill a user’s specified work, mobile agents usually need to move to multi-hosts, forming a host sequence for migrating. Most of traditional migration strategies design a fixed host sequence in terms of some methods or indexes in advance, and are not appropriate to predict dynamically the next hop in migration paths of mobile agents. The paper proposes a prediction algorithm for migration paths, the results can be applied to the design and application of IDS. Analyzed by an experimental model, this algorithm shows good performances.

Key words: Mobile agent, Migration path, Prediction algorithm, Host sequence

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