Peking University

Chaoran Luo

Jing Wang

Gang Huang

Yun Ma

A method and system for accessing a digital object in a Human-Cyber-Physical environment are provided. A P2P network is established based on a distributed hash table (DHT); a Kademlia algorithm is used to establish a forward routing table corresponding to each node; and an index binary tree is established according to a logical distance between each node in the forward routing table and a target node. In a process of transmitting a message from a node of a storage digital object to a root node, all nodes that the message passes establish backward routing tables for the digital object, so that in a data query stage, target data may be found from any node through the forward routing table and the backward routing table, and a data identifier of a data entity in the DHT-based P2P network from a storage location of the data identifier may be decoupled.

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Beijing, China

Chaoran Luo