A virtual link, a network.
In terms of TOSCA, VL-typed nodes are abstract nodes. They are not expected to have any implementation provided in design time.
TODO: min/max bitrate requirements, etc. – are they properties on the VL or on their Linkables?
Definition
node_types: onap.nodes.VL: derived_from: onap.nodes.Resource description: a virtual link capabilities: link: type: onap.capabilities.Linkable occurrences: [0, UNBOUNDED] # can interconnect an unlimited number of CPs