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Note 1:

  • Cloud Agnostic Intent -based API example 1Execution
    • Intent: High Performance intraIntra-DC data plane networking with no Host CPU usage
    • Several Realization Options – the Options per Cloud – the final realization choice could be based on least current resource usage or other criteria
      • Overlay in SmartNIC
      • Gateway in SmartNIC
      • Overlay in DPDK-based switch/router
      • Gateway in DPDK-based switch/router
      • Overlay in ToR
      • Gateway in a ToR
      • Gateway in a HW appliance
    • Realizations which are fixed
      • Underlay maps to ToR/Network Fabric
      • No CPU usage for data plane networking maps to VMs/Containers with SR-IOV support
    • 1) OOF → MC runtime check for a specific cloud region which can support capability/capacity/cost metrics (enhance current capacity check API appropriately)
    • 2) MC processes request from OOF
      • Retrieve target Cloud Region specific policy from "Policy"
      • Evaluate each of the cloud specific options in the policy from a perspective of resource allocation, utilization and cost
      • Return to OOF the option which minimizes <resource allocation, utilization and cost> and the net value of the option
        • In case there requirement cannot be met, return appropriate error
      • Cache the option in MC for the specific cloud region as part of the VNF deployment workflow
    • 3) OOF processes request from MC and picks the target cloud region which maximizes the net value
    • 4) SO → MC VNF deployment request is processed by MC
      • MC looks up the cache for the target cloud request with the VNF deployment request details
      • MC replaces appropriate details in the cloud specific template (Heat, ARM etc.) based on the chosen option in the cache
      • MC deploys workload on target cloud region with dynamically modified cloud specific template 
      • MC removes the cache entry for the specific cloud region for the specific VNF deployment 
  • Cloud Agnostic Intent-based API example 2
    • Intent: High Performance intra-DC data plane networking
    • Several Realization Options – the final realization choice could be based on least current resource usage or other criteria
      • Overlay in DPDK-based switch/router
      • Gateway in DPDK-based switch/router
      • Overlay in ToR
      • Gateway in ToR
      • Gateway in a HW appliance
    • Realizations which are fixed
      • Underlay maps to ToR/Network Fabric
      • HW-assisted data plane maps to VMs/Containers with SR-IOV support 

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