name: VIM
full_form: Virtualized Infrastructure Manager
context: The main steps for the FM procedure flow for notification of VNFCs impacted due to scheduled NFVI maintenance are: 1. VIM marks the status of NFVI resources that will be affected by a maintenance procedure as maintenance. 2. The VIM finds VRs that are affected by the maintenance status of the NFVI resources. 3. The VIM notifies the VNFM, whose VNF(s) are consuming the virtualized resources, about the virtualized resources that will be affected by the maintenance of underlying NFVI resources. Note 1: NFVI maintenance work may or may not maintain the serviceability of the VRs as expected. This UC is about the NFVI maintenance work that would not maintain the serviceability of the VR as expected. Note 2: The notification due to maintenance is an example of type of notifications that VIM should issue when it determines the serviceability of the virtualized resources cannot be maintained as expected. 4. The VNFM finds the VNF and corresponding VNFC(s) whose virtualized resources have been
description: The Virtualized Infrastructure Manager (VIM) is a network function responsible for managing and maintaining the virtualized infrastructure, including NFVI resources and VRs. It plays a crucial role in ensuring the serviceability of virtualized resources and notifying VNFM about any maintenance or issues that may impact the VNFs.
explanation: The context clearly indicates that VIM is involved in managing NFVI resources, marking their status, finding affected VRs, and notifying VNFM. This behavior aligns with the definition of a Network Function, which includes virtualized and dedicated hardware components within telecommunications.
section_title: 7.3.3.3FM procedure flow for notification of VNFCs impacted due to scheduled NFVI maintenance
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biotag_Description: O,B-Network Function,I-Network Function,I-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Technology,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,O