Scale Out vDNS w/CDS Use Case
A great description of vDNS scale-out use-case - including CDS integration is available in ONAP Read The Docs (Dublin release!):
https://docs.onap.org/en/dublin/submodules/integration.git/docs/docs_scaleout.html
Includes:
Design Time activities
Run Time activities
Closed Loop triggering scale-out actions
To execute vDNS Scale out Use Case, check the Openstack environment.
Host OS needs to load nf_conntrack_proto_gre module.
# modprobe nf_conntrack_proto_gre
https://docs.openstack.org/neutron/latest/admin/config-ovsfwdriver.html
Otherwise, dig won't be able to look up host1.dnsdemo.onap.org at vPKG VNF.