Trust model plays a very important role in the distributed security systems.Usually, the model evaluates trust relationship by quantifying the entity behavior and computing the entity trust level.

• 摘要信任模型在分布式安全系统中起着非常重要的作用，普遍情况下模型都是通过量化实体行为和计算实体信任度来评估实体间的信任关系的。