METHOD FOR COORDINATING INFRASTRUCTURE UPGRADE WITH HOSTED APPLICATIONS/VIRTUAL NETWORK FUNCTIONS (VNFS)

摘要

The disclosure relates to a method, executed in a Network Function Virtualization Infrastructure (NFVI) software modification manager, for coordination of NFVI software modifications of a NFVI providing at least one Virtual Resource (VR) hosting at least one Virtual Network Function (VNF), comprising receiving an NFVI software modifications request; sending a notification that a software modification procedure of the at least one VR is about to start to a VNF level manager, the VNF level manager managing a VNF hosted on the at least one VR provided by the NFVI; applying software modifications to at least one resource of the at least one VR; and notifying the VNF level manager about completion of the software modifications.