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For this migration, we are tagging AWS resources to provide information about how the each resource is involved in the migration, the v1 architecture, and the v2 architecture.

Tag Key	Tag Values	Description	VPC	Subnets	Route Tables	Transit Gateway Attachments	Virtual Private Gateways	Direct Connect Virtual Interfaces
cit:dc-arch-migration-target	yes/no	Will this resource itself be affected as part of the migration?
cit:dc-arch-migration-description	prose	Description of planned changes to this resource
cit:dc-arch-version	v1/v2	Is this a v1 or v2 architecture resource? After migration, v1 resources utilized in the v2 architecture will be relabeled as v2 resources.
cit:dc-arch-migration-new-resource	yes/no	Is this a new resource specifically created for the v2 architecture?	n/a	n/a			n/a	n/a
cit:dc-arch-migration-replaces	resource ID	If this v2 resource will be replacing a v1 resource, this ID references the resource that will be replaced.	n/a	n/a		n/a	n/a	n/a
cit:subnet-type	public/private	Is this a private or public subnet? Public subnets are those with a route to an Internet Gateway. Private subnets are all subnets that are not public.	n/a		n/a	n/a	n/a	n/a
cit:tgw-attachment-target	yes/no/guidance-required	Will a Transit Gateway be attached to this subnet? If guidance-required then account owners will be consulted about the TGW Attachments.	n/a		n/a	n/a	n/a	n/a

Resource Deletion

After migration is complete, a very few number of resources will be deleted. These are:

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