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:
Sep. 03, 2019
Filed:
Jul. 31, 2017
Huawei Technologies Co., Ltd., Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A service redundancy method and a related apparatus, where the method includes sending, by a mobility management entity (MME), a request message to a domain name system (DNS) server, receiving a request response message sent including MME codes (MMECs) of all MMEs in the MME pool, determining a backup MME of the MME according to the MMECs of all the MMEs in the MME pool, sending an interface request message to the DNS server, where the interface request message includes an MMEC of the backup MME and the pool identity of the MME pool, receiving an interface response message from the DNS server, where the interface response message includes interface information of the backup MME, and sending, according to the interface information of the backup MME, user information of user equipment UE attached to the MME to the backup MME.