name: VNF
full_form: Virtualized Network Function
context: and sends a request to VNFM. The IP address is allocated by EM/EM UI. Refer to step 1c in Figure 7.3.2.1-1. 2. VNFM sends Grant lifecycle operation to NFVO, which makes resource check and reservation, then optionally sends resource information to VNFM, which requests VIM to allocate resources (see steps 2 to 8, in clause B.3.2.1 [2]). 6. VNFM configures VNF with deployment parameters, in which VNF IP address, or together with EM IP address is included and also VNFM allocated VNF ID. 7. VNFM acknowledges successful VNF instantiation back to EM, here VNFM allocated VNF ID is included, if the VNF ID is unique within the management realm of VNFM, then VNMF should send VNF ID together with ID of itself. 8. EM and VNFM both add VNF as managed object. 9. EM, using the pre-allocated VNF IP address, sends application parameters to the VNF. 10. VNF Manager reports successful VNF instantiation to NFVO. 11. NFVO maps the VNF to the proper NFVI-PoP and Resource Pool. Figure 7.3.2.1-1 VNF
description: A Virtualized Network Function (VNF) is a software implementation of a network function that can be deployed on a virtualized infrastructure, allowing for greater flexibility and scalability in network operations.
explanation: The context describes the instantiation and configuration process of a VNF within the 3GPP network architecture, highlighting its role as a network component managed by entities like VNFM, EM, and NFVO. This aligns with the definition of a Network Function.
section_title: 7.3.2.1Instantiation of VNF
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