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1. Impacted components: SDNC, APPC
2. Contributors: AT&T, Orange, Intel
3. Functionalities
   1. For Casablanca, we will focus on the LCM action necessary for traffic migration. For Dublin and beyond, we will create a workflow within SO for traffic migration.
   2. MigrateTraffic LCM action (Alternative is ConfigModify LCM action is PTLs recommend to push MigrateTraffic LCM to Dublin)
      
      1. Source, destination nodes - pool
      2. Flow distribution policy - equal distribution for e.g.
      3. Anchor points - e.g., DNS for layer-4+ VNFs
      4. Fine-grained flow filter
      5. Failure handler
   3. Mechanisms for traffic migration - implemented by controller
      1. Assessment report on commonalities/differences across VNF types – e.g., IP based redirection, DNS based or load balancer
4. Integration/testing
   
   1. For Casablanca, we will demonstrate traffic migration across 2 vFWs using traffic source as the anchor point
   2. Ansible playbook for adjusting the traffic weight on the traffic source (anchor point)
   3. Traffic weight before migration: 100,0 and traffic weight after migration: to 0,100

Execution flow:

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