The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2014
Filed:
Dec. 24, 2013
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Qiang Liu, Chengdu, CN;
Quancheng Sun, Chengdu, CN;
Xiaobo Liu, Chengdu, CN;
Jun You, Chengdu, CN;
Huadi Yang, Chengdu, CN;
Dan Zhou, Shenzhen, CN;
Yan Huang, Chengdu, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
In embodiments of the present invention, when a duplicate data query is performed on a received data stream, a first physical node which corresponds to each first sketch value and is in a cluster system is identified according to a first sketch value representing the data stream, and then the first sketch value representing the data stream is sent to the identified physical node for the duplicate data query, and a procedure of the duplicate data query does not change with an increase of the number of nodes in the cluster system; therefore, a calculation amount of each node does not increase with an increase of the number of nodes in the cluster system.