Patent ID: 11916744
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for replacing a Virtualized Network Function Manager (VNFM) managing a Virtualized Network Function (VNF) in a VNF based environment, the method comprising the steps of:
(a) instantiating a target VNF, the target VNF being managed by a target VNFM and being executed in parallel to a source VNF managed by a source VNFM, the source and target VNFMs being responsible for lifecycle management of the source and target VNFs;
(b) redirecting traffic from the source VNF to the target VNF in accordance with a traffic redirection schedule;
(c) terminating the source VNF when redirecting traffic from the source VNF to the target VNF is complete; and
(d) terminating the source VNFM.