Title:
DYNAMIC BACKUP AMF DETERMINATION AND PUBLICATION
Document Type and Number:
WIPO Patent Application WO/2019/222995
Kind Code:
A1
Abstract:
The embodiments herein relate to dynamic backup AMF determination and publication. In one embodiment, there proposes a method (900) in a Access and Mobility Management Function (AMF) node (201, 202, 203, 204, 1100), comprising: obtaining (S901) first information of the AMF node (201, 202, 203, 204, 1100), the first information at least includes one or more identifier; obtaining (S902) second information of each of all other nodes (201, 203, 204, 1200) within the same AMF set as the AMF node (201, 202, 203, 204, 1100), the second information includes Relative Capacity (RC) and one or more identifier; and determining (S903) backup AMF for at least one identifier of the AMF (201, 202, 203, 204, 1100) based on the first information and the second information in an autonomous way, without the participation of the Operation Administration and Maintenance (OAM) (206). With embodiments herein, the backup AMF information is determined per GUAMI granularity and published automatically among all AMFs within the AMF set in an autonomous way.
Inventors:
ZHANG HANBING (SE)
Application Number:
PCT/CN2018/088417
Publication Date:
November 28, 2019
Filing Date:
May 25, 2018
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
ZHANG HANBING (SE)
ZHANG HANBING (SE)
International Classes:
H04W24/04; H04L12/24
Domestic Patent References:
| WO2018041247A1 | 2018-03-08 | |||
| WO2004032424A1 | 2004-04-15 |
Foreign References:
| US20060193247A1 | 2006-08-31 | |||
| CN105357057A | 2016-02-24 | |||
| CN104811324A | 2015-07-29 | |||
| CN107453929A | 2017-12-08 | |||
| EP1548985A1 | 2005-06-29 |
Other References:
ZTE: "TS 23.501 Clarification on backup AMF, S2-177792", SA WG2 MEETING #123, 30 October 2017 (2017-10-30), XP051360429
THIRD GENERATION PARTNERSHIP PROJECT (3GPP) RELEASE 15, TECHNICAL SPECIFICATION (TS) 23.501
3GPP TS 23.501
3GPP TS 23.003
THIRD GENERATION PARTNERSHIP PROJECT (3GPP) RELEASE 15, TECHNICAL SPECIFICATION (TS) 23.501
3GPP TS 23.501
3GPP TS 23.003
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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