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:
Apr. 17, 2012
Filed:
Aug. 25, 2009
Kuiwen Ji, Shenzhen, CN;
Junjie Feng, Shenzhen, CN;
Min Zhao, Shenzhen, CN;
Xinghua Shi, Shenzhen, CN;
Xuan Zheng, Shenzhen, CN;
Kuiwen Ji, Shenzhen, CN;
Junjie Feng, Shenzhen, CN;
Min Zhao, Shenzhen, CN;
Xinghua Shi, Shenzhen, CN;
Xuan Zheng, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A clock tracing method includes: determining a shortest path to each source network element, and selecting a best source network element among all the source network elements; determining a shortest path to the best source network element according to the shortest path, using the shortest path to the best source network element as a clock tracing path if the shortest path to the best source network element is different from an old clock tracing path and a traceable message is received, and using the clock tracing path for tracing clocks; and using the old clock tracing path for tracing clocks if the shortest path to the best source network element is the same as the old clock tracing path or no traceable message is received. A clock tracing apparatus and a network element are also provided. The provided clock tracing method, apparatus and network element may ensure high-quality clock transmission, and the fast performance of automatic clock tracing.