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:
Mar. 01, 2022
Filed:
Jul. 09, 2018
Huawei Technologies Co., Ltd., Shenzhen, CN;
Gaowei Luo, Shanghai, CN;
Kunpeng Zhou, Hangzhou, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A load balancing system includes a load balancer and at least one service node, a virtual switch and at least one backend server run on the service node, and an Internet Protocol (IP) address of a logical interface of the backend server is an IP address of the load balancer, the load balancer receives an access request from a client, and changes a destination address of the access request to an IP address of a virtual network interface card of a destination backend server, and a virtual switch on a service node changes the destination address of the access request to the IP address of the load balancer when receiving the access request such that when the destination backend server returns an access response, a source address of the access response includes the address of the load balancer.