| 摘要 |
Disclosed is a method for requesting for location information of resources on a P2P network, user node and server for the same, which allow a user to get network resources quickly. The popular files and the unpopular files are managed separately. The metadata of popular files are stored a plurality of SN based on respective areas, while the metadata of the unpopular files are stored and queried in a centralized manner. A function of redirecting a request message is added into the SN so as to inform the user the existence of a SN-R. Meanwhile, in order to improve query efficiency and avoid repeatedly redirecting of the message, a server routing table is provided for the user node which can indicate which files need to be download and which server should be requested to provide the files. Due to the popular filed and the unpopular filmed are stored separately and all of unpopular files are stored in a centralized manner, the user can get unpopular files when the user request for the unpopular files in a P2P network. |
