To improve weak performance,a fast lookup algorithm is proposed based on direct adjacency first and larger connectivity first policies as well as a resource index building algorithm on redundant diffusing policies.

• 针对这些不足；文中提出了基于直接相邻优先和聚集度大优先策略的快速搜索算法；并设计实现了基于冗余扩散策略的资源索引建立算法.