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bye! openflow

https://www.opennetworking.org/stratum/
https://www.opennetworking.org/wp-content/uploads/2018/03/Stratum-Launch-Announcement-Final.pdf

P4 still has long way to prove his promise

openflow only addressed pipline control which will be replaced by P4 rutime
   •Message payloads derived from P4 program defining the pipeline
   • Allows for run time changes to the contract on systems with programmable silicon

three missing pieces
-Pipeline ‘Contract’ Definition : P4
   •Defines the logical pipeline behavior that is silicon-, pipeline-, and pkt header-agnostic
   • Defines ‘contract’ between NOS and data plane

-Configuration gNMI with OpenConfig
  • Manage configuration (with persistence across reboots)
  • Stream telemetry
-Operations gNOI
   • Autonomous actions for debugging and operating a production network
   • Device reboots, key management, BERT & ping testing

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