Patents by Inventor Mingkang Ruan

Mingkang Ruan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and device for synchronization in the cloud storage system
    Patent number: 10296254
    Abstract: The present disclosure is to provide a synchronization method and device for a cloud storage system. The method includes receiving an operation request for a file object initiated by a client; calculating a hash value corresponding to the file object according to the operation request; acquiring the partition which the file object is stored according to the hash value; acquiring corresponding storage devices of each copy of the file object according to the partition which the file object is stored; initiating a write request to the storage devices to store the copies of the file object to the corresponding storage devices; and calculating a new hash value of the partition and transmitting the new hash value to an adjacent storage device. With the synchronization method and device of the present disclosure, it may reduce the network overhead and the synchronization delay.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: May 21, 2019
    Assignee: Tsinghua University
    Inventors: Mingkang Ruan, Zhenhua Li, Yunhao Liu
  • Method and Device for Synchronization In The Cloud Storage System
    Publication number: 20180285015
    Abstract: The present disclosure is to provide a synchronization method and device for a cloud storage system. The method includes receiving an operation request for a file object initiated by a client; calculating a hash value corresponding to the file object according to the operation request; acquiring the partition which the file object is stored according to the hash value; acquiring corresponding storage devices of each copy of the file object according to the partition which the file object is stored; initiating a write request to the storage devices to store the copies of the file object to the corresponding storage devices; and calculating a new hash value of the partition and transmitting the new hash value to an adjacent storage device. With the synchronization method and device of the present disclosure, it may reduce the network overhead and the synchronization delay.
    Type: Application
    Filed: May 31, 2017
    Publication date: October 4, 2018
    Inventors: Mingkang Ruan, Zhenhua Li, Yunhao Liu