A VNF or PNF package is a ZIP archive in which you must place the following components to deploy a network function and manage its lifecycle:
The VNF/PNF descriptor, a file with parameters of the network function.
The /image directory, which contains virtual machine images in the QCOW format for deploying the virtual network function. This directory is not included in the PNF package.
The /scripts directory, which contains scripts for deploying and managing the network function.
logo.png, the icon of the network function. This component is optional.
description-file.pdf, technical documentation or specification of the network function. This component is optional.