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. 27, 2010
Filed:
May. 29, 2006
Guangjun Wang, Shenzhen, CN;
Guangjun Wang, Shenzhen, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A ring network protection method for an optical transmission network relates to digital information transmission, and includes using the overhead byte APS/PCC in the ODUk to transmit the protection information of the APS. The method adds fields in the APS/PCC and further includes: (a) the network element in which the protection switching takes place in the OTN sends the protection switching information to other network elements through the fields set in the APS/PCC of the ODUk; and the network element which received the ODUk performs corresponding processing according to the fields carried by the APS/PCC in the ODUk and implements the protection switching for the OTN ring network.