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:
Aug. 19, 2025
Filed:
Nov. 23, 2021
Huawei Technologies Co., Ltd., Shenzhen, CN;
Yongkang Zhang, Nanjing, CN;
Zhongzhen Wang, Beijing, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A packet processing method, to improve a success rate of packet forwarding. The method implemented by a service function forwarder (SFF) includes: receiving a first packet; replacing a first packet header of the first packet with a second packet header to obtain a second packet, where the second packet includes a first identifier uniquely identified the first packet header; sending the second packet to a service function (SF) device; receiving a third packet from the SF, the third packet includes the first identifier; replacing a third packet header of the third packet with the first packet header to obtain a fourth packet; and sending the fourth packet to a next-hop node.