Abstract: Considering the load imbalance caused by the distributed management using DHT in P2P system，the simple abstraction of network model is not sufficient to reflect the access status.This paper takes the capacity of nodes，link bandwidth and resource access into consideration synthetically，and puts forward a resource awareness model，also performs load balancing based on node score sorting.The node ability is measured by above three factors.Resource management is organized in the distributed way dynamically.

Key words: resource awareness, node score sorting, load balancing, Peer to Peer（P2P）

摘要： 针对结构化P2P网络采用DHT对资源进行分布式管理，导致负载不均衡和简单抽象的网络参考模型不足以正确反映网络访问状态，综合考虑节点负载能力、链路带宽和资源访问频度，提出资源访问敏感模型，并进行基于节点评分排序的负载均衡，将三个因素作为评判节点综合能力的依据，对资源进行动态分布式管理。

关键词: 资源访问敏感, 节点评分排序, 负载均衡, P2P网络