虚拟组织上的高效移动主体通讯迁移算法

Effective communication and migration algorithm for mobile agent on virtual organization

根据虚拟组织结构的特点,提出了一种适用于虚拟组织结构上的高效移动主体通讯算法,该算法建立在有限状态模式的移动主体计算模型基础上.在移动主体计算模型中将服务、迁移、通讯等行为作为状态来处理,并利用状态触发机制刻画移动主体的所有工作过程,从时序逻辑上保证每个移动主体行为的原子性.通过引入虚拟组织上的移动主体收件箱(mailbox)机制,实现多移动主体间的高效通讯和迁移,并有效地解决了现有网络条件下的通讯失配问题.实验证明,该算法在迁移失配数和服务有效率两项性能指标上均优于之前的通讯迁移算法,具有强移动模式下移动主体的鲁棒性和智能性,克服了强移动模式下传输数据量过大等缺点.

An effective communication and migration algorithm for mobile agent on the virtual organization was presented based on the characteristics of the virtual organization. The algorithm was established on the finite state mobile agent computation model. All the actions （e. g. service, migration and communication etc. ） of the mobile agents were treated as states. The process of the mobile agents ＇ workflow was controlled by a finite state machine, which can guarantee the atomicity of each mobile agent in terms of sequential logic. By introducing the virtual organizational based mailbox mechanism, the algorithm realized highly efficient communication and migration among multiple mobile agents, and the communication mismatch issues under current network conditions can be sorted effectively. Experimental results shown that the algorithm is more effective in both the mismatch of migration and service available compared with the existed algorithm. The algorithm increases the robustness and intelligence of mobile agent and overcomes the serious weakness of large amount of data transmission existing in the strong-migration mode agent systems.