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:
Jun. 22, 2021
Filed:
Jun. 08, 2018
Huawei Technologies Co., Ltd., Guangdong, CN;
Gaurav Agarwal, Gurgaon, IN;
Anil Kumar Srirangapatna Nagesh, Bengaluru, IN;
Vinod Kumar Selvaraj, Bangalore, IN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
The present disclosure provides performance measurement (PM) for segment routing (SR) with flexibility to have PM information piggy backed, preferably using service function chaining (SFC) to data packet itself or dedicate PM packet avoiding change in data packet. A performance measured flow (PMF) identifier is used by transit/egress nodes for statistics collection for a given PMF. The PMF identifier is carried in the piggy backed information without the use of separate SR label. The Piggy backed information carries the node information role of the node used by transit egress nodes to collect statistics for a given PM segment. The present disclosure collects the statistics for multiple segments and multiple PM types using a metadata present in single received packet, saving bandwidth and making PM calculation fast and more accurate. Using the present disclosure, the timer/configuration requirement per performance measurement instance from transit/egress node is avoided.