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Desigante/Blueprints/Rolling upgrade


Gerrit Patch n/a
Launchpad Blueprint [1]


Gerrit Patch n/a
Specs [2]


The Designate need to perform upgrade from N-1 version into N version without downtime and or minimal downtime. This solution will help operator keep working for their system during they perform upgrade to new version. That is Rolling-Upgrade. I also listed out whole items what we should perform to rolling-upgrade for Designate project without downtime in the my specs.