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The distributed interactive simulation of multidomain is an important research area of the distributed virtual reality. However, frequent interaction, great quantity of messages and the discrepant need of each individual simulation domain resulted in numerous redundant messages. Filtering out the redundant data and relieving the transfer loads become a pressing necessity. We analysis the principle of data filtering of HLA standard and introduce a data filtering algorithm based on publish/subscribe. Utilized the data locality feature of distributed interaction simulation, this algorithm can be used in multi-domain either. The experiment shows that the method we introduced provides reliable data filtering performance with incurred incremental costs on purchasing information endurable by our system. In addition, the data filtering matching efficiency is well.
Date of Conference: 23-25 Nov. 2010