We proposed a Hybrid Hierarchical P2P network (HP2P). The network has two layers, in which the upper layer is structured Chord network, and the lower layer is unstructured flooding network.

• 我们提出了一种混合层次化P2P(HP2P)网络,网络分两层,其中上层是结构化Chord网络,下层是非结构化的洪泛网络。