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. 13, 2018
Filed:
Feb. 08, 2017
Nanning Fugui Precision Industrial Co., Ltd., Nanning, CN;
Shih-Neng Lin, New Taipei, TW;
NANNING FUGUI PRECISION INDUSTRIAL CO., LTD., Nanning, CN;
Abstract
In a service function chaining (SFC) system, which comprises an SFC module and a software defined network (SDN) controller, the SDN controller generates a trace packet. The trace packet is classified by the SFC module, the SDN controller comprises a trace managing module, and the trace managing module determines whether equal cost multipath (ECMP) arrangement exists according to the classified trace packet. The trace managing module creates duplicate trace packet flow but keeps only one trace packet at next link in the chaining when that the ECMP arrangement is determined to exist in one SFF. Trace managing module creates normal and dropped trace packet flows and keeps only one trace packet at next link when existence of ECMP in different service function forwarders is determined. Thus, a client can identify failed trace through the trace packet upon trace failure. An SDN controller and trace tracking method are also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile