They could mean using regular data transfer (i.e. using something like rsync instead of the provider's backup service). Maybe egress costs among servers from the same provider are reduced or nullified.
From[1]:
> Traffic over the private network does not count against your monthly quota.
I wonder how private addresses are setup by Linode.
Each data center has an internal private network with a pool of private IPs available for assignment. If a private IP is assigned to a server, it then has access to the private network.
From[1]:
> Traffic over the private network does not count against your monthly quota.
I wonder how private addresses are setup by Linode.
[1] https://www.linode.com/docs/platform/billing-and-support/net...