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  • cloud computing resources (Infrastructure Controller, typically within the cloud layer)
  • network configuration (Network Controller)
  • application (Application Controller).

Infrastructure Controllers

Infrastructure Controllers typically execute OpenStack requests for the creation of virtual machines (VMs), and load the Virtual Function (VF) software into the new VM container. To do this, the Infrastructure Controller obtains the Virtual Function's Resource recipe from the ASDC. The Resource recipe will define VM sizing, including compute, storage, and memory. When the Infrastructure Controller completes the request, it will pass the virtual resource identifier and access (IP) information back to the MSO to provide to the Network and Application controllers.


If the Resource recipe requires multiple VMs, the MSO will repeat the process, requesting each Infrastructure Controller to spin up one or more VMs and load the appropriate VFs.


An Infrastructure Controller also has its own recipe, which specifies...?

To create an Infrastructure Resource controller, see ?

Network Controllers

A Network Controller instantiates a Virtual Network Function, by carrying out its network configuration workflow and reporting the resulting status (to both A&AI and MSO).

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To create a Network controller, see VNF Onboarding.

Application Controllers

Application Controllers will be requested by the MSO to obtain the application-specific component of the Service recipe from ASDC and execute the orchestration workflow. The MSO continues to be

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